# Math

## Recent Questions

Math
In what shape are the lateral faces of a pyramid?Please hurry!

Math
Kelly has 236 feet of fence to use to enclose a rectan space for her dog. She wants the width to be 23 feet. rectangle that could be the space for Kelly's dog. La length and the width.

Math
a fruit basket contains peachesv graprefruit, and pears in the ratio of 3:1:4 the basket has 12 pears.how many peaches and many grapefruits are in the basket?

math
1. (–5.1)0 (1 point) A. 1 B. 0 C. –5.1 D. –1

Math
Using the linear equations above determine the cost of using 500 anytime minutes and 1000anytime minutes with each plan. Then determine which plan is best deal for each level

Math (Integrals)
The area A between the graph of the function: g(t) = 4 - (4/t^2) and the t-axis over the interval [1, x] is: A(x) = ∫[1, x] (4 - (4/t^2)) dt a) Find the horizontal asymptote of the graph g. I believe the horizontal asymptote of graph g is g(t) = 4. b) Integrate to find A as ...

Math
Sarah is going to paint her house over the March Break. She has 3 1/2 cans of paint left over from the last time she painted. She knows that each wall takes 2 1/4 to cover. How many walls can she paint with what she has?

Math
Aaron and Alex are hanging out after school at Aaron's house. They found 3/4 of a package of crackers and ate 1/2 of them. What fraction of the package did they eat?

Math
Aaron and Alex decide to race from Tim Hortons to Alex's house. Aaron wins by 3/4 of a minute. If it took Alex 3.6 minutes, how long did it take Aaron?

Math - Calculus
Show that if f(x) is continuous and u(x) and v(x) are differentiable functions, then: d/dx ∫_v(x)^u(x) f(t)dt=u'(x)f(u(x))-v'(x)f(v(x))

Math
The ratio of Jims money to Peter's money was 4:7 at first. After Jim spent 1/2 of his money and peter spent \$60, Peter had twice as much money as Jim. How much money did Jim have at first?

math
Marla has \$95.50 in her savings account. She deposits \$5 every week. Her mother also deposits \$20 into the account every time Marla washes the car. Her savings account balance can be shown with the following expression: 20c + 5w + 95.50 Part A: Identify a coefficient, a ...

math
A recipe for cookies calls for 4 cups of flour, half as much sugar as flour, and half as much butter as sugar. How many cups of butter will you need if you double the recipe? (Hint: Half of an amount is the same as dividing the amount by 2)

Math
Sean has \$75 to spend on CDs. If each CD costs \$6.98, about how many CDs can he buy?

Math (Definite Integrals)
Sketch the region given by the definite integral. Use geometric shapes and formulas to evaluate the integral (a > 0, r > 0). r ∫ sqrt(r^2 - x^2) dx -r While I recognize that this looks similar to a circle function, I'm not sure how to graph and evaluate this definite ...

Hello. I am having some difficulty with this problem. Could you please check my answer? You start searching for a buried object by marking the center of a field as (0, 0), with coordinates giving distances in yards. Coordinates to the north or east are positive, and ...

Math (Statistics: Test Statistic, Proportion)
The Pew Research Center Internet Project, conducted on the 25th anniversary of the Internet, involved a survey of 857 Internet users (Pew Research Center website, April 1, 2014). It provided a variety of statistics on Internet users. For instance, in 2014, 87% of American ...

Math
The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less than the first side. What is the length of each side?

Math
1. Two lines, C and D, are represented by the following equations: Line C: y = x + 5 Line D: y = −2x − 1 Which of the following options shows the solution to the system of equations and explains why? (−2, 3), because the point does not lie on any axis (−2, 3), because ...

Math
Azuri has 4 cartoons with 2/3 liter of orange juice in each cartoon. She recorded this expression to show how much juice she had in the cartoons: 4x2/3. She poured the juice into glasses with 1/3 liter in each glass.

Math
hanna has a bag of 15 red, 11 orange 9 yellow, 12 green, 6 blue and 11 purple crayond.How many times would you expect ganna to puck a red crayon if she picked a crayon 90 times?

Math
A weather forecast states that there is a 20% probability of rain on each of the next 3 days. Describe a simulation you could perform using random numbers to find the experimental probability that it will not rain on any of the next 3 days. Would love explanation!

Math
Can someone explain to me this : -sinx=cosx X=3pi/4 and 7pi/4

math
the advertised size of a pizza is the length if its diameter. what is the area of the crust of a 12in pizza ?

math
1.what if they changed the scoring system in American Football, and there were only two ways o score, a field goal worth 3 points and a touchdown worth 7 points. What are all the possible total scores that a team could have?

Math
Write a story problem to represent 6÷ 1/5

Math
class A has 5 more people than class B. Class B last yr had 8 more people than it does this year. This yr, class B has 25 students. How many students are in class A this yr. I get 30 A= B+5 A= 25 +5 A= 30

Math
A man spend 1/4 of his salary for taxi fare and 3/8 on lunch and save the rest, if he earned \$32,000. How much money did he spent in all?

Math (Statistics)
The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .30. a...

Math calculus
a cylindrical vat must hold 5m^3, the vat must be wider than it is tall, but no more than 3 m in diameter. What dimensions will use the least amount of material?

Math
I am a shape made of 6 line segments. I have 2 angles less than a right angle and no right angles. What shape am I? Draw an example in the workspace below.

Math bet
My sister and I have a bet on my homework The length of a rectangle is 1.2 x10-4 kilometer. The width of the rectangle is 6.25x10^-5 kilometer. What is the area in square kilometers of this rectangle? 7.5x10-9 or 7.5x10^3

math
tiffany is sending a package that may not exceed pounds. the package contains books that weigh a total of 9 3/8 pounds. the other item to be sent weighs 3/5 the weight of the books. how much does the package weigh

Math
18yd 2ft + 2yd 2ft equal

Math
If you run an average of 3 miles a day over 1 week and an average of 4 miles a day over the next 2 weeks, what is your average daily run distance over the 3-week period?

Math
Mr.Jackson has 20 quarters if he gives 4 quarters to each of his children how many children does he have?

Math
For which pair of number is the greatest common factor 6

Math
The mean of 3 numbers is 37. A fourth number, 41 is included in the list. What is the mean of the 4 numbers? Explain your reasoning.

Math
If you run 3 miles everyday for 5 days, how many miles will you need to run on the sixth day in order to have run an average of 4 miles per day over 6 days? Solve this problem in two different ways, and explain your solutions.

Math
Find the least common denominator for 1/8 and 1/12. What is the sum of these fractions in lowest terms?

Math
Does an 8-car Ferris wheel have rotational symmetry? Explain I am so confused. Can someone explain this?

math
Find the next three terms of the sequence -2, -12, -72, -432,... A.-1,728, -6,912, -27,648 b.-1,728, -10,368, -62,208 c.-2,592, -10,368, -41,472 d.-2,592, -15,552, -93,312

math
In constructing a box-and-whisker plot for the data set below, at which values would you draw the left and right sides of the box? 6, 7, 1, 3, 9, 3, 2, 5, 8, 4, 8 A. left at 3; right at 8 B. left at 2; right at 8 C. left at 2; right at 7 D. left at 3; right at 7

Math
write a rule to describe the translation of a point from (-3 3) to (-2 2) A)

MATH
Jenny is running an experiment for organic chemistry class. She needs exactly 100 ml of 70% hydrochloric acid, but the lab only has 90% and 40% solutions. How much of each solutions does she need to mix in order to obtain 100 ml of 70% hydrochloric acid solution?

Math ASAP
Starting at the top, if you cut a square pyramid in half using a single cut, what is the shape of the newly-exposed section? A.) square B.) rectangle C.) triangle D.) pentagon

Math
What is the upper quartile of the data set below 25, 8, 10, 35, 5, 45, 40, 30, 20 A. 5 B. 8 C. 9 D. 10

Math
The rabbit population in a forest area grows at the rate of 7% monthly. If there are 180 rabbits in September, find how many rabbits (rounded to the nearest whole number) should be expected by next September. Use . A. 402 B. 408 C. 428 D. 415 I got 402, is this correct?

Math
Determine the sign of the sum of -18+11

math
what is 9 x 3 - 9 x 20/-5

Math
What is 7 to the nearest hundred?

Math
Sean spent 1/5 of his money in the shop and 7/10 IN another what fraction of his money is left

Math
There are 3,000 people at a concert. You survey a random sample of 200 people and find that for 35 of them this is the first concert they have ever attenede. Estimate how many total people are attending their first concert that night

math
A farm stand sells cider from two bar ells.The smaller barrel holds 336 L, but it is now 5/6 full. The farmer empties this cider into the other barrel and finds that the cider fills only 4/9 of it. How much cider would the larger barrel hold when full? My guess 404

math question
A cliff swallow nest is 86 meters above a canyon floor. The elevation of the nest is −56 meters. What is the elevation of the canyon floor?

math
john's age in the next ten years will four times his age five years ago. How old is john now?

Math
5a/6 - a/3 - 2/3 = -1/6 What is "a"? The / is a fraction

Math - Calculus
Compute the sum: 81 ∑ (2i-1) i=1

Math, slope
The cost of a taxi ride is \$5.00 plus \$0.75 for every 0.5 km. Graph this relation Identify the slope and the vertical intercept of the line. What do the represent? Write an equation relating the cost and the distance traveled. I'm not sure how I was supposed to graph this, ...

Math
Von has a rectangular workroom with a perimeter of 26 feet.The length of the workroom is 6 feet.what is the width of vons workroom?

Math
On Saturday, Paula sold all her mangoes, oranges and grapefruits at the market. 60% of the fruits were mangoes, 25% of the fruits were oranges, Paula had 45 grapefruits. What percentage of the fruits sold were grapefruits?

Math - calc
Given that the graph of f(x) passes through the point (6,3) and that the slope of its tangent line at (x,f(x)) is 2x+6, what is f(5)?

Math Ratios
A cookie dough is divided into three, in the ratio of 1:2:3 by weight. If the heaviest dough is 8oz more than the lightest one, what was the weight of the dough before dividing?

Math Algebra
A drive took some hours to travel from Rome to Milan. His average speed for the whole journey was 80 km/hour. For the first half of the journey he traveled at an average speed of 50km/hour. Find his average speed for the second half of the journey. In this case half refers to ...

MATH!!
There are two numbers whose sum is 50. Three times the first is 5 more than twice the second. What are the numbers?

math
Given a+b=7 and a–b=3, find: 2^a·2^b 3^a÷3^b

math
If ab = 8 and a^2+b^2=16, then what is the value of (a+b)^2?

math
Given that a­­^b = x, evaluate the following; a^(b+2) 2a^3b+a^2b+ab

Math - Calculus
Given f"(x)=5x+2 and f'(-3)=3 and f(-3)=-6 find f'(x)= find f(3)=

Math
Which shapes should a hexagon be decomposed into to find its area?

Math
The area of the putting green at the golf course is 1,134 what will be the area of the putting green Theo constructs

Math
An investment is worth \$3518 in 1995. By 2000 it has grown to \$5553. Let y be the value of the investment in the year x, where x = 0 represents 1995. Write a linear equation that models the value of the investment in the year x. A. y = -407x + 7588 B. y =1/407 x + 3518 C. y...

math
Ashley ate 3/5 apples. Alan ate 4/20 apples. How much apples were left?

Math
The product of 6 and Craig's height is 96

math
Which of the following could be represented by -8? 1) a drop of 8 meters 2) 8 T-shirts 3) sea level in 8 places of the world 4) 8 degrees C above 0 I think #1 Thanks

math
1. joan asked 30 randomly selected adult restaurant customers about their choice of beverages. eighteen customers said coffee is their favorite beveragee. if the restaurant serves 200 adult customers perday, estimate the number who will choose coffee to drink a.100 b.110 c.120...

Math
What is a paragraph i can use to explain regular and irregular polygons.

math
1. joan asked 30 randomly selected adult restaurant customers about their choice of beverages. eighteen customers said coffee is their favorite beveragee. if the restaurant serves 200 adult customers perday, estimate the number who will choose coffee to drink a.100 b.110 c.120...

Math (Calculus) Integrals
Evaluate the integral using the following values. 8 ∫ x^3 dx = 1020 2 8 ∫ x dx = 30 2 8 ∫ dx = 6 2 2 ∫ x^3 dx = ? 2

Math
An irregular polygon has its exterior angles as 140,120,142,132,112 n x degrees Find the value of x.

Math
The large rectangular tank shown is 4/5 filled with water. The water is then poured into the smaller rectangular container until it is full. How much water is left in the tank

math
if you tube hired 5 workers and fire 3 how many do they have to pay per hour?

math
Create two different situations: one in which you use combinations and one in which you use permutations please help me with this question or give me some sites too look at, I don't understand.

math
find the constant of proportionality and unit rate for the data in the table. Then write the equation to represent the relationship between time t and distance d Time Distance 2 t 90 miles 3 hrs 135 miles 5 hrs 225 miles 6 hrs 270 miles i need to show how to do it in steps.d

math
find the constant of proportionality and unit rate for the data in the table. Then write the equation to represent the relationship between time t and distance d Time Distance 2 hrs 90 miles 3 hrs 135 miles 5 hrs 225 miles 6 hrs 270 miles i need to show how to do it in steps.

Math
when 8 is added to a certain number, the result is 3 times as large as when 2 is subtracted from the number. what is the correct number?

Math
You are at the store and your items total up to \$54.50 before tax. What is your final cost after a 6% tax?

Math
Q = {(x, y): (2, 8), (3, 27), (4, 64), (5, 125), . . .}

Math, Algebra
I asked these questions yesterday and thanked whomever helping me before clicking the links. When the links were just google searches, however, they didn't help me seeing as I already did that. The google search calculator doesn't show all steps, and when I tried to plug my ...

math
two arithmetic progression are such that the common difference of both is 8.if the difference b/w their 50th terms is 50.what will be the difference b/w their 80th terms?

math
Find the measure of the complement and the supplement of an angle with a measure of 20 degrees? complement, 150; supplement, 260 complement, 340; supplement, 160 *complement, 70; supplement, 160* complement, 160; supplement, 70

math
there are 8 women and 6 men in a department. how many ways can a committee of 4 people be selected if there must be at least two women on the committee?

Math
Starting from 105 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is traveling at a constant rate of 35 feet per second. The distance between the bicycle and the checkpoint is given by the equation d = 105 - 35t. At what times is the ...

math
It takes a hose 3 minutes to fill a rectangular aquarium 10 inches long, 12 inches wide, and 13 inches tall. How long will it take the same hose to fill an aquarium measuring 22 inches by 30 inches by 33 inches?

Math
Juan is 5 years older then John. Six years ago the sum of their ages was 25. How old are they now?

math
Graphing in the coordinate plane unit test

Math
From a roll of curtain cloth,9 curtains each of length 4 metres can be cut.If the curtains needed are of 3 metres long, how many curtains can be made out of this cloth?

Math Ratios
Suppose A is directly proportional to B, B is inversely proportional to C and C is inversely proportional to D. Determine whether A and D are directly proportional, inversely proportional, or neither.

Math
A kangaroo hopped 1/3 of the distance to the lake with her baby in her pouch. She hopped the remaining 7040 yards without her baby in her pouch. How many miles did the kangaroo hop on the lake? 1 mile =1760 yards.

Math
Furry Pets pet store has 20 animals , and 2/5 of them are puppies. Pets Galore pet store has 12 animals and 3/4 of them are puppies. Which pet store has more puppies? Or are they the same?

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