Wednesday
May 22, 2013

# Homework Help: Math

Branches of Math

math
ln x^4 + ln X = 24 ln e. Find the value of x. ln x^5=24 x^5=e^24....next i dont know how to solve it. someone plz show me the calculation steps.
Monday, March 25, 2013 at 8:46pm

math
find tan 30 degrees and tan 45 degrees using the 45-45-90 triangle therom and 30-60-90 triangle theorm
Monday, March 25, 2013 at 8:40pm

Math
Suzanne has a liter of apple juice. How many cups with a capacity of 100 mL can she fill with apple juice?
Monday, March 25, 2013 at 8:34pm

math
Graph the quadratic functions y = -2x2 and y = -2x2 + 4 on a separate piece of paper. Using those graphs, compare and contrast the shape and position of the graphs. (3 points)
Monday, March 25, 2013 at 8:30pm

math
I need help with graphing a quadratic function . . . y = -2x^2 Please don't just give me the answer help me through it. . .
Monday, March 25, 2013 at 8:20pm

Ella and Nico had \$250 altogether. If Nico spent \$35, he would still have \$5 more than Ella. How much money did Ella have?
Monday, March 25, 2013 at 8:06pm

math
a counter kitchen is 1 meter wide 2 meter long. Eills wants to replace the counter with a granite counter top .Howmany sqare meters of granite will he need.
Monday, March 25, 2013 at 8:03pm

math
you go up a hill at 10 miles per hour and down the hill at 30 miles per hour what is the average speed and it's not 20 miles per hour
Monday, March 25, 2013 at 7:58pm

absolute minimum math
x^2/x-3 on the interval from 3 until infinity. How would you do absolute minimum on this?
Monday, March 25, 2013 at 7:49pm

math
A basketball has a diameter of 29.5 inches. If the basketball is fully inflated, about how many cubic inches of air will it hold?
Monday, March 25, 2013 at 7:47pm

2. A teacher asks her class of 22 students, “What is your age?” Their responses are shown below. 19, 19, 14, 14, 16, 19, 19, 16, 16, 15, 17, 16, 17, 16, 15, 14, 15, 15, 17, 14, 16, 15 Find the mean, median, and mode for the data. If necessary, round to the nearest ...
Monday, March 25, 2013 at 7:47pm

Math
Josh wants to get an average bowling score of 135. He will bowl 4 games. How many total points will he need for all 4 games?
Monday, March 25, 2013 at 7:45pm

A sample of 50 people in Harrisburg indicates that 10 people of them know the name of the mayor of their neighboring city. Out of 5, 500 Harrisburgh residents, how many would you expect to know the name of the mayor of the neighboring city?
Monday, March 25, 2013 at 7:37pm

math(Ms.Sue)
The ratio of Tim's marbles to Joe's marbles to Matt's marbles is 8 : 6 : 9. If Tim and Joe have 84 marbles altogether, how many marbles does Matt have? Show your work please?
Monday, March 25, 2013 at 7:36pm

Math
Which sentence will give the best estimate
Monday, March 25, 2013 at 7:34pm

math
A counter in Eills' kitchen is 1 meter wide 2 meter long. Eills wants to replace the counter with a granite counter top .Howmany sqare meters of granite will he need.
Monday, March 25, 2013 at 7:33pm

In the original design for the livingroom genivie ve planned to have a 6ft by 8ft floor rug made after looking at the budget however she discovers she only had enough money to make a .75 times the size of the original how much fringe must she purchase to outline the new rug.
Monday, March 25, 2013 at 7:22pm

math
how do I calculate the volume of a liquid in a graduated cylinder if the radius is 3 cm, and the height is 38
Monday, March 25, 2013 at 7:08pm

evan drove into the country for a long weekend. he planned to drive 118 miles on each of 4 days, however his car broke down and he was only able to drive 43 miles on the first day. how many miles per day must he drive to reach his destination.
Monday, March 25, 2013 at 6:54pm

Math
What is the approximate circumference of a circle with a radius of 6 centimeters? A.12 B.18 C.24 D.36 My teacher says it's D and I agree but for the next question he says it's 12 and aren't these two questions the same? What is the circumference of the circle below...
Monday, March 25, 2013 at 6:51pm

Math
Dylan says that when comparing numbers the number closest to zero on a number line is always the smallest. Is he correct?
Monday, March 25, 2013 at 6:50pm

aig math
When 306 stamps were shared among Pat, Kyle, and Ryan, Pat got twice as many stamps as what Kyle and Ryan got together. If Kyle got 18 stamps more than Ryan, how many stamps did Ryan get? Don't forget to show your work.
Monday, March 25, 2013 at 6:49pm

math
A 13 foot ladder is leaning against a building.The bottom of the ladder is 5 feet from the building.How high up does the ladder meet the wall?
Monday, March 25, 2013 at 6:48pm

aig math
The ratio of Tim's marbles to Joe's marbles to Matt's marbles is 8 : 6 : 9. If Tim and Joe have 84 marbles altogether, how many marbles does Matt have? Show your work please?
Monday, March 25, 2013 at 6:46pm

Math
A carnival Ferris wheel with a radius of 7 m makes one complete revolution every 16s. The bottom of the wheel is 1.5 m above the ground. Find the amplitude, vertical shift, phase shift and k value and period. Do all calculations and then make your final equation. Predict how ...
Monday, March 25, 2013 at 6:41pm

Math
What is greater -19 or -17?
Monday, March 25, 2013 at 6:35pm

Math
Write an integer that is represented by the following sentence The temperature dropped 17 degrees between noon and midnight.
Monday, March 25, 2013 at 6:18pm

math
Alyssa bought a 7kg bag of grapes she ate 650g of them how may grams of grapes did she have left
Monday, March 25, 2013 at 6:16pm

math word problem
"Adult tickets are \$6, Kids are \$3. If the total sales are \$585, but only 120 tickets were sold, how many adult tickets were sold? If this was 130 it would be easy: \$3+\$6 =\$9; \$585/\$9 = 65 tickets. The problem is the question specifies 120 tickets.
Monday, March 25, 2013 at 6:09pm

Pre-calculus.
Wesley and Delia are playing a math game. Wesley gives Delia these step to follow. Step 1: Multiply a number by 6 and then subtract by 4. Step 2: Divide the result by 2 Step 3: Add 3 to the result from the second step. If Delia's final answer is 19, What was the original ...
Monday, March 25, 2013 at 6:01pm

Little help with math?
48.03 / 7 = What? I dont get this You must put it to repeat
Monday, March 25, 2013 at 5:55pm

math
How many balls of clay and straws are needed to make a hexagonal pyramid?
Monday, March 25, 2013 at 5:49pm

Math
An object suspended from a spring is oscillating up and down. The distance from the high point to the low point is 30cm, and the object takes 4s to complete 5cycles. For the first few cycles, the distance feom the mean position, d(t) centimetres, with respect to the time, t ...
Monday, March 25, 2013 at 5:46pm

math
The Carsons are putting a rectangle swimming pool in their yard. It will measure 20ft by 12ft. They plan to have a cement walkway around the pool which should measure 4 ft wide. What is the area of the walkway?
Monday, March 25, 2013 at 5:24pm

math
How can you order 3 fractions by using a number line?
Monday, March 25, 2013 at 4:42pm

math
One batch of fruit salad has equal amounts of which kinds of fruit?Explain how you decided.
Monday, March 25, 2013 at 4:39pm

math
How can you order 3 fractions by using a number line?
Monday, March 25, 2013 at 4:33pm

math
different was to make this equation true. 24 x 18=
Monday, March 25, 2013 at 4:26pm

math
What's 3 out of 4 of the apples are green.how many apples are green
Monday, March 25, 2013 at 3:56pm

Anneke's science class measured 10 inches of rainfall during the month of May what was the average rainfall per day?(Round your answer to the nearest hundredth.) Please answer and explain.
Monday, March 25, 2013 at 3:40pm

math
Anneke's science class measured 10 inches of rainfall during the month of May what was the average rainfall per day?(Round your answer to the nearest hundredth.) Please answer and explain.
Monday, March 25, 2013 at 3:30pm

math
simplify: -2x + (9x - 4)
Monday, March 25, 2013 at 2:36pm

math
graph the absolute value function and state its domain and range y=|x-1|+2
Monday, March 25, 2013 at 1:40pm

Math
MIKA HAS PARTS OF TWO PIZZAS LEFT FROM HER PARTY. IF THE LEFTOVER SLICES OF PIZZA ARE COMBINED, WHAT FRACTION OF PIZZA IS LEFT?
Monday, March 25, 2013 at 12:32pm

math
what are monthly payments on \$100,000.00 at 1% over 5 years
Monday, March 25, 2013 at 12:11pm

College Gen. Math
There are 6 times as many dimes as quarters, and 6 times more nickels than quarters. If you have \$5.70, how much money do you have in quarters?
Monday, March 25, 2013 at 12:06pm

Physics/math
Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of the magnetic field B in Teslas at a point P located 6-cm away from the axis of one of the wires and 8-cm away from the axis of the other ...
Monday, March 25, 2013 at 10:34am

Physics/math
Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of the magnetic field B in Teslas at a point P located 6-cm away from the axis of one of the wires and 8-cm away from the axis of the other ...
Monday, March 25, 2013 at 10:31am

math
At the beginning of a basketball game, the referee tosses the ball vertically into the air. Its height, h, in feet after t seconds is given by h(t) = -16t2 + 24t +5. During what time interval (to the nearest tenth of a second) is the height of the ball greater than 9 feet?
Monday, March 25, 2013 at 9:46am

Math
Suppose you had d dollies in your bank account.you spent \$12 but have at least \$51 left.how much money did you have initially?write and solve an inequality that represents this situation.
Monday, March 25, 2013 at 9:41am

math
I need help soving this problem. Factor the trinomial completely. 4x^3-10x^2-50x I also want to know if I soved this problem correctly? Factor the trinomial 9s^2+3s-20 my answer is (3s-4)(3s+5)
Monday, March 25, 2013 at 8:58am

math
the new playground at middeldae school will be enclosed by a fence. The playgroundnd will be rectangualar and will have an area of 225 yd. The number of yards on each side will be a whole number. What is the least amount of fencing that could be required to enclose the ...
Monday, March 25, 2013 at 8:16am

Maths Probability
When writing a math expression, any time there is an open bracket "(", it is eventually followed by a closed bracket ")". When we have a complicated expression, there may be several brackets nested amongst each other, such as in the expression (x+1)∗...
Monday, March 25, 2013 at 5:06am

math
a spherical hailstone is losing mass by melting uniformly over its surface as it falls. At a certain time, its radius is 2 cm and its volume is decreasing at the rate of o.1 cm^3/s. How fast is the radius decreasing at the time?
Monday, March 25, 2013 at 2:02am

math
It cost \$20 to replace an air filter on a \$20,000 car. What percent of the cars value is the price of the air filter?
Sunday, March 24, 2013 at 10:36pm

Math HELP
For the angle shown is a point given on its terminal arm. [picture shows -12, -5 in quadrant three of the unit circle]. Calculate the values of the three primary trigonmetric ratios, accurate to four decimal places. Dont understand thissss
Sunday, March 24, 2013 at 10:32pm

A truck driver, on assignment from the owner of the truck is to drive on a 300 mile stretch of highway at a constant speed of v miles per hour. According to road signs, the minimum speed allowed is 55 miles per hour and the speed limit is 70 miles per hour. The cost of gas on ...
Sunday, March 24, 2013 at 10:27pm

Math
For the angle shown is a point given on its terminal arm. [picture shows -12, -5 in quadrant three of the it circle]. Calculate the values of the three primary trigonmetric ratios, accurate to four decimal places.
Sunday, March 24, 2013 at 9:57pm

math
A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85, 94, 83, and 84. Her final examination score...
Sunday, March 24, 2013 at 9:56pm

Math
Determine the number of subsets of A={1,2,…,10} whose sum of elements are greater than or equal to 28.
Sunday, March 24, 2013 at 9:55pm

math
Can you show me how to solve this using logarithims? thank you 3e^-3x = 10.21 for x.
Sunday, March 24, 2013 at 9:52pm

math
The monthly demand function for a product sold by a monopoly is p = 3750 − 1/3x^2 dollars, and the average cost is C = 1000 + 70x + 3x^2 dollars. Production is limited to 1000 units and x is in hundreds of units. (a) Find the quantity that will give maximum profit. (b) ...
Sunday, March 24, 2013 at 9:45pm

Math (Number Theory)
If a,b, and c are non-zero reals such that a + b + c = 11, and 1/a + 1/b + 1/c = 0, what is the value of a^2 + b^2 + c^2?
Sunday, March 24, 2013 at 9:44pm

math
third-degree polynomial with real coefficients -4 -3
Sunday, March 24, 2013 at 9:39pm

math
Classify each statement as sometimes, always, or never true. A. 2^(2/3)*4^(4/3)=8*2^(1/3) B. If x>0, then (squareroot x*squareroot 2)^3 =x^(3/2) 2^(3/2) C. If x>0, then (squareroot x+ squareroot 2)^3 =x^(3/2) 2^(3/2) D. The only solution to x^(2/3)= 4 is x=8
Sunday, March 24, 2013 at 9:00pm

math
For the function f(p) an input of 3 yields an output value of 6. What value of p would you use to have f(5p) = 6?
Sunday, March 24, 2013 at 8:59pm

Math- Calculus
find the dimensions of a rectangle of maximum size that will fit into a half circle of radius 30 cm.
Sunday, March 24, 2013 at 8:45pm

math
I need help with these two problems please. Completely factor the polynomial. 8x^3+16^2+8x+16 Factor the trinomial completely. y^3-14y^2+48y
Sunday, March 24, 2013 at 8:24pm

math
I wold like to know if I have this answer right? Factor the trinomial competely. x^2-x-2 My answer is (x-2)(x+1)
Sunday, March 24, 2013 at 8:16pm

math
monica spent 8/13 hours listening to tapes of beethoven and brahms. she spent 2/5 hours listening to beethoven. how many hours were spent listenign to brahms
Sunday, March 24, 2013 at 7:54pm

math
in triangle ABC, AB = BC and ABC = 42. find ACB
Sunday, March 24, 2013 at 6:46pm

math
if you deposit \$700 a month in a savings account that earns 4% interest compounded monthly. how many months to get \$3500 and what is the balance in the account.
Sunday, March 24, 2013 at 6:42pm

Math
For a chemistry experiment, Heather needs 3.75 grams of salt. How many decigrams of salt does Heather need?
Sunday, March 24, 2013 at 6:40pm

Math
A company offers the following charges: \$54 per thousand for orders of 62000 or less with the charge per thousand decreased by 38 cents for each thousand above 62000. Find the order which will make the company's revenue a maximum.
Sunday, March 24, 2013 at 5:54pm

math
a driver comes to pick up members of your family (20 members) for a family reunion. the van holds 7 people not including the driver. assuming none of the babies will be riding (2 babies in the group of 20) how many different ways can 7 people be chosen to ride in the van?
Sunday, March 24, 2013 at 5:22pm

math
if you deposit \$700 a month in a savings account that earns 4% interest compounded monthly. how many months to get \$3500 and what is the balance in the account.
Sunday, March 24, 2013 at 5:15pm

Math- Calculus
A company offers the following charges: \$54 per thousand for orders of 62000 or less with the charge per thousand decreased by 38 cents for each thousand above 62000. Find the order which will make the company's revenue a maximum.
Sunday, March 24, 2013 at 5:06pm

college math
How many different committees can be formed from 9 teachers and 39 students if the committee consists of 2 teachers and 3 students? In how many ways can the committee of 5 members be selected?
Sunday, March 24, 2013 at 4:54pm

math
how many different ways can 7 out of 18 people be picked to fit into a van
Sunday, March 24, 2013 at 3:34pm

math
how many different ways can 7 out of 18 people be picked to fit into a van
Sunday, March 24, 2013 at 3:29pm

math
A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85, 94, 83, and 84. Her final examination score ...
Sunday, March 24, 2013 at 2:49pm

math
Mark averaged 60 miles per hour during the 30-mile trip to college. Because of heavy traffic he was able to average only 40 miles per hour during the return trip. What was Mark's average speed for the round trip?
Sunday, March 24, 2013 at 2:37pm

math
After six biology tests, Ruben has a mean score of 73. What score does Ruben need on the next test to raise his average (mean) to 75?
Sunday, March 24, 2013 at 2:32pm

Biology
Identify the molecules that participate in the light dependant reactions and tell what they do.
Sunday, March 24, 2013 at 2:31pm

Math
of 53 plays attributed to a playwright, 16 are comedies, 18 are tragedies, and 19 are histories. if one play is selected at random, find the odds against selecting a tragedy.
Sunday, March 24, 2013 at 1:51pm

Math
Find the area of a circle with a radius of 8 cm. Use 3.14 for pi. Type your answer as a number only. Find the area of a triangle with a base of 6 cm and a height of 3 cm. Remember your formula. Question 4 Find the area of a figure with base #1 of 4 in., base #2 of 6 in. and a ...
Sunday, March 24, 2013 at 1:45pm

math
Why do we write radian measures with a π rather than just give the decimal equivalent? (for example, why not use 1.88 rad instead of 3π/5 rad?) Thx
Sunday, March 24, 2013 at 1:43pm

Math
If a man casts 14 foot and a child casts a 9'4" shadow at the same time how tall is the man?
Sunday, March 24, 2013 at 1:10pm

Math- Calculus
A company needs to produce a cylindrical can to hold water. It must have a volume of 500ml. The side of the can will cost 40\$/m^2 to produce and the top and bottom of the can will cost 50\$/m^2 to produce. Find the most economical dimensions.
Sunday, March 24, 2013 at 12:49pm

statistics
solve this math statistic problem: an insurance company insures a person's antique coin collection worth \$20,000 for an annual premium of \$300. If the company figures that the probability of the collection being stolen is 0.002, what will be the company's expected profit?
Sunday, March 24, 2013 at 11:54am

math
please help me how to solve the integral sinx/x dx from 0 to infinite : ∫_0^∞▒〖sin̼​9;x/x dx〗 thank you
Sunday, March 24, 2013 at 11:26am

MATH
BRYCE HAS 24 BASEBALL TROPHES. MATT HAS 3/4 AS MANY TROPHIES AS BRYCE. HOW MANY TROPHIES DOES MATT HAVE?
Sunday, March 24, 2013 at 9:08am

MATH
ESTIMATION. WHICH IS THE BEST ESTIMATE FOR THE AREA OF A SQUARE WITH SIDES EQUAL TO 4 1/8 INCHES?
Sunday, March 24, 2013 at 9:06am

MATH
WHICH BENCHMARK FRACTION COULD YOU USE TO ESTIMATE THE PRODUCE OF 36 X 11/16?
Sunday, March 24, 2013 at 9:03am

MATH
JENNA LIVES 4 3/10 MILES FROM SCHOOL. SHE ESTIMATES THAT SHE TRAVELS 4 X 2 X 5, OR 40 MILES EACH WEEK. IS HER ESTIMATE AN OVERESTIMATE OR AN UNDERESTIMATE? EXPLAIN.
Sunday, March 24, 2013 at 9:01am

MATH
SHOW THREE WAYS TO ESTIMATE 3/5 X 9 1/2. IDENTIFY EACH METHOD YOU USE.
Sunday, March 24, 2013 at 8:57am

statistics
In a recent study on gender differences in education, a sample of 7 boys had a mean score of 18.5 and a standard deviation of 4.1 on a Standardized Math Test. A sample of 11 girls had a mean score of 19.9 and a standard deviation of 3.6 on the same test. What is the t-...
Sunday, March 24, 2013 at 1:31am

math
The surface area of the Great Pyramid at Giza was about 1,496,980 square feet when it was built. A model of this pyramid has a surface area of 599 square inches. what is the scale factor from the model to the actual pyramid?
Sunday, March 24, 2013 at 12:30am

Math
29.There are 16 boys and 12 girls in Kelly's class.Her teacher wrote the name of each student on a card and placed the cards in a box without looking the teacher chose a card from the box.What is the probability that Kelly's teacher will pick a card with a boy's ...
Sunday, March 24, 2013 at 12:00am

Math
write an equation which must be true if the line from p(x,y) to a(25,0) is perpendicular to the line from P(x,y) to the center of the circle x^2+y^2=400
Saturday, March 23, 2013 at 11:13pm

Math
write an equation which must be true if the line from p(x,y) to a(25,0) is perpendicular to the line from P(x,y) to the center of the circle x^2+y^2=400
Saturday, March 23, 2013 at 11:13pm

math
The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function. C(x) = 2000 + 2x - 0.0001x2 (0 x 6000) (a) What is the actual cost incurred in producing the 1011st and the 1821st disc? (Round your answers to the ...
Saturday, March 23, 2013 at 11:02pm

Math
One week a company has a loss of \$216.70. The next week they have a gain of \$323.83. What is the net gain between the 2 wks?
Saturday, March 23, 2013 at 10:01pm

Math
hailey wants to rake her entire yard. This morning she raked 1/3 of the yard, and this afternoon she raked another 3/5 of the yard. What fraction of her yard still needs to be raked?
Saturday, March 23, 2013 at 9:53pm

math
How do you write and absolute value statement describing the situation of something going down in value from \$900 to \$700? Thanks..
Saturday, March 23, 2013 at 9:46pm

Math(arithmetic & Geometric Series)
1)The sum of 6 terms of an arithmetic series is 45, the sum of 12 terms is -8. Find the first term and the common difference? 2)If in a geometric sequence the sum of the second and the third is 20 and the sum of the fourth and fifth is 320, find the common ratio and the first ...
Saturday, March 23, 2013 at 7:38pm

math
Help please Simplify the expression. √3(5-√3) + 6√3 a) 10√3 b) 11√3 - 3 c) 5√3 + 15 d) 6√3 + 5
Saturday, March 23, 2013 at 7:33pm

math
How many feet will it take a car traveling at 120 mph to stop?
Saturday, March 23, 2013 at 7:20pm

math
x squared - 9 factor
Saturday, March 23, 2013 at 6:33pm

Math
determine the equation of a line that passes through (2,1) and is parallel to the line 3x-7y=5
Saturday, March 23, 2013 at 6:24pm

Math
Saturday, March 23, 2013 at 5:36pm

Math
23.What is the approximate circumference of a circle with a radius of 6 centimeters? A.12 B.18 C.24 D.36 D 24.What is the length of the diameter if the radius is 15? A.5 B.15 C.30 D.45 C 27.What is the circumference of the circle velow if it has a radius of 6 A.6 B.12 C.18 D.36 D
Saturday, March 23, 2013 at 5:23pm

Finite Math
The reading list for a literature class has 6 fiction and 8 nonfiction books. A student is to write a report on 5 books from the list during the semester. The report must include at least 1 and at most 4 reports of fiction books. In how many ways can the selection of books be ...
Saturday, March 23, 2013 at 5:22pm

math
the nile river is the worlds longest river .let n sttand for the length in miles of the nile. th parana river is 3,030 miles long. write an expression to show how much longer the nile is than the panama.
Saturday, March 23, 2013 at 5:08pm

Math
16.Eliot spent 24 minutes solving 8 math problems.At that rate, how many math problems can he solve in 54 minutes? a.12 B.16 C.18 D.24 A? Can you explain why it isnt a
Saturday, March 23, 2013 at 5:01pm

Math
I'm having trouble on the 2nd part of the question below. The value of a 1962 Mickey Mantle baseball card went from \$900 to \$700. a. Write an integer to describe the change in value in the card. ( I know this would be -200) b. Use the abolute value of the integer to write ...
Saturday, March 23, 2013 at 4:35pm

College math
Rebekah's recipe for 41/2 dozen cookies call for 6 cups of sugar. How many cups of sugar are needed to make 8 dozen cookies?
Saturday, March 23, 2013 at 4:23pm

ENGLISH/MATH HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
NYS ELA 7 Score - Level 2 (high two so I was seven points away to a three) My Scale Scare - 658 Level Two: 642-664 (scale score) Level Three: 665-697 (scale score) NYS Math 7 Score - Level 3 My Scale Score - 678 Level Three - 670-693 (scale score) I really want to know my ...
Saturday, March 23, 2013 at 4:19pm

math
a rectangle has a length of 13 units. the perimeter of a rectangle is twice its length. complete the table to find the perimeter of the rectangle if its width is 5,6,7 or 8 units wide
Saturday, March 23, 2013 at 4:15pm

math
is a SQUARE A REGULAR POLYGON
Saturday, March 23, 2013 at 4:10pm

math
A spherical water tank holds 15000ft^3. What is the diameter of the tank? Use V=pie/6*d^3
Saturday, March 23, 2013 at 3:57pm

Math
20.Proms earned 82 dollars last week.She earned 6 dollars each hour and received a bonus of 10 dollars for exceptional work.Which equation can be used to find h the number of hours Proma worked last week A.6h+10=82 B.6h-10=82 C.10h+6=82 D.10h-6=82 A An acute angle is shown. ...
Saturday, March 23, 2013 at 3:20pm

Math
16.Eliot spent 24 minutes solving 8 math problems.At that rate, how many math problems can he solve in 54 minutes? a.12 B.16 C.18 D.24 A? 17.Ronald got 92% of the problems correct on a test.Which number could also represent 92%? A.9.2 B.0.092 C.9/2 D.46/50 D 18.Lakeshmi made a...
Saturday, March 23, 2013 at 3:19pm

Math
I need to make a table where y=-x using the numbers -3 to 3. I don't understand.
Saturday, March 23, 2013 at 3:14pm

math
which expression below is equivalent to to 4/3x + 4 2/3?
Saturday, March 23, 2013 at 2:33pm

Math
Ms.Sue You helped me with a table but now I have to do one where y=-x using integers from -3 to 3. I am still unsure of how to do this. When I tried I got the same results as the previous table. I really appreciate your help and am trying very hard to understand this but am ...
Saturday, March 23, 2013 at 2:29pm

math
which unti would be best to measure the distance around a equator?inchs,feet,yards or miles
Saturday, March 23, 2013 at 2:23pm

Math
I have to make a table with y on one side and x on the other. y=x. I have to provide integer values of x from -3 to 3. I don't understand how to do this. Please help!
Saturday, March 23, 2013 at 2:15pm

Math
Which equation describes the relationship between x and y in the table below? x y 5 20 7 28 9 36 11 44 A.y=x+15 B.y=x+8 C.y=3x+5 D.y=4x 14.Henry rides his bike 6 miles every 4 days. At that rate how far will Henry ride his bike in 12 days? A.6 B.12 C.16 D.18 D 15.Evelyn used 4...
Saturday, March 23, 2013 at 12:17pm

math
The ratio of boys to the total number of students is 2:5. If there are 123 girls, how many boys are there? I estimated 49.2, is that correct?
Saturday, March 23, 2013 at 12:10pm

Math
7.Figure out the expression bellow (7+3)x2-5 A.8 B.15 C.22 D.30 B 8.When Henry went to the pet store he noticed that there were 12 large fish tanks with goldfish.The store clerk told him that there were 107 goldfish in each tank.How many goldfish were there in all? A.1200 B....
Saturday, March 23, 2013 at 12:06pm

math
49x+21x+9/2=0 write the discriminant of the following quadrctic and DETERMINE the nature of in each case.
Saturday, March 23, 2013 at 11:58am

Math
1.What is the greatest common factor of 28 and 35? A.4 B.7 C.9 D.14 B? 2.Dina has a savings account with \$276.38 in it. Her older sister Winnie has a savings account with \$329.84 in it. How much more is in Winnie's account than Dina's? A.53.46 B.54.36 C.605.83 D.606.22...
Saturday, March 23, 2013 at 11:34am

math decimals
Is 1/6 > or< 0.16, because the repeating decimal in 1/6 is what confuses me.
Saturday, March 23, 2013 at 11:28am

Math 112 Help pelase
A class of 23 students was using square tiles to build rectangular shapes. Each student has more than one tile and each has a different number of tiles. Each student was able to build only one rectangular shape. All tiles had to be used to build the rectangle and the rectangle...
Saturday, March 23, 2013 at 10:42am

math
consider the functions f(x)=x^3-2 and g(x)=3 sqrt x+2: a. find f(g(x)) b. find g(f(x)) c. determine whether the functions f and g are inverse of each other. I have no clue where to even begin!
Saturday, March 23, 2013 at 10:34am

math
find the functions f and g so that f.g=H: H(x)=sqrt x^2+3
Saturday, March 23, 2013 at 10:21am

Math
One jar of peanut butter and 3 loaves of bread cost \$6.70. Three jars of peanut butter and 1 loaf of bread cost \$9.32. Find the cost of a jar of peanut butter and a loaf of bread.
Saturday, March 23, 2013 at 7:05am

math
A savings account opened 3 months ago now has a balance of Rs. 20,400. If the bank pays 8 percent p.a. Simple interest, how much money was deposited?
Saturday, March 23, 2013 at 3:19am

Math/Physics
Two kg of water at a temperature of 50 degrees C have 485.3 kJ of heat transferred from them, resulting in a mixture of ice/water at 0 degrees C. What is the composition of the mixture? This is what I did and would like verification of my answer. 2*4.183*-50 = -418.3 kJ I then...
Saturday, March 23, 2013 at 2:20am

math
solve the problem (1500*30*400)-1/2*(1500*30*400)
Saturday, March 23, 2013 at 2:09am

Math/Physics
A quantity of water at 87 degrees C is cooled at a rate of 2844 MJ/h. After 40 minutes, the water has changed to ice, having a temperature of 243K. Calculate the mass of the water/ice. I know 243K = -30 degrees C I'm assuming I have to use my sensible and latent heat ...
Saturday, March 23, 2013 at 1:02am

Hafers, an electrical supply co., sold \$4200.00 of equipment to Coates Wiring Inc. Coates signed a promissory note 5-12th with 6.00% interest. The due date was Aug. 21st Short of funds Hafers contacted their bank on 7-6th;the bank agreed to take over the note at a 7.20% ...
Saturday, March 23, 2013 at 12:17am

math
An object that is falling or vertically projected into the air has it height, in feet, above the ground given by the formula below, where s is the height in feet, Vo is the original velocity of the object, in feet per second, t is the time the object is in motion in seconds, ...
Friday, March 22, 2013 at 10:35pm

Math
Solve equation. -5(s-7) = 15
Friday, March 22, 2013 at 10:16pm

Math
Find the area of a circular segment of a circle of radius 7cm that sub tends a central angle of 35 degrees?
Friday, March 22, 2013 at 9:36pm

Psychology/Math
What are significance/alpha levels and how does using a one versus a two tailed test affect significance levels?
Friday, March 22, 2013 at 8:50pm

Psychology/Math
What are significance/alpha levels and how does using a one versus a two tailed test affect significance levels?
Friday, March 22, 2013 at 8:38pm

Math
Uncle Ritchie has some \$10 bills in his wallet. He shares all of them equally among his 4 nieces and nephews. Each of the nieces and nephews then donates two \$10 bills to charity. They then each have five \$10 bills. How many \$10 bills did Uncle Ritchie have in his wallet? a) ...
Friday, March 22, 2013 at 8:28pm

Discrete Math
(2) Suppose A is the set of students currently registered at the University of Calgary, B is the set of professors at the University of Calgary, and C is the set of courses currently being offered at the University of Calgary. Under what conditions is each of the following a ...
Friday, March 22, 2013 at 7:38pm

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