# Math

## Recent Questions

math
Can someone help me complete the perfect square with this trinomial, I don't understand how to do it. Thanks 1/(x^8) -1/(x^4) +1

Math
How do I find the value of sin ( A-B) When tan A= 4/3 Cot B= 5/12

Math
Vivian is 24 years old. In 10 years she will be twice her cousin's age. How old is her cousin now?

Math
Megan answered 18 questions correctly on a test. That is 75 percent of the total number of questions. How many questions were on the test?

Math 11
write the equation in vertex form, of a parabola with vertex (5, -1) and that passes through the point (6, 8)

Math
What is a quarter after four in the afternoon in digital form?

Math
Penelope's cookie recipe calls for 3/4 of a pound of butter. If she only wants to make 1/2 of the recipe, how many pounds of butter should she use? Show your work.

Math
One day at 3 am., the temperature was -13 Fahrenheit in Kodiak, Alaska. At 10 am the temperature was 22 Fahrenheit What was the average change in temperature per hour?

Math
The drawing of a road a pound ,shown below has a scale of 1 inch to 5km Dimension is 3 inch wide and 5 in long What is the total distance in km of the actual road A 16 B 40 C 80 D160

math
p = 14 − 2q; p = 3

Math
Terrell drove at a speed of 48 1/2 miles per hour for 2 14 hours. How far did he travel?

Math
what would have a product of -40?

math
Francine use her computer for 2 1/8 hours Tuesday evening and for 2 1/4 hours on Wednesday evening. Which is the best estimate of time Francine use her computer on Tuesday and Wednesday evening? A. About 1 / 4 Hour B. About 3 hours C. About 4 hours D. About five hours

Math
can you help me with my next unit test? math lesson 10 unit 3 grade 7. I need help with 1,10, and 12 thanks!

Math
what is the product of -8 and -7? I am so sorry to bother you i just have been on this all day!!

Suppose 20% of babies born are born early, 50% are born on time, and 30% are born late. A nurse uses a random-number table to find the experimental probability that of 5 births, at least 1 baby will be born early. The digits 0 and 1 represent babies born early. The digits 2, 3...

math
Nadia is 3 years younger than twice ciarra's age.Nadia is 15 years old. Ciarra is how old?

Math
A jar contains 5 green erasers, 2 striped erasers, 4 pink erasers, and 3 white erasers. You select an eraser at random. What is P(not pink)? A. 4/14 B. 2/5 C. 5/7 D. 1/7

Math
A number cube is rolled. What is P(3 or an even number)? A. 1/2 B. 2/3 C. 4/2 D. 1/6

math
Robert spins the spinner and rolls a standard number cube. Find the probability that the spinner will stop on purple and the cube will show a six. The spinner has six equal slices, 1 purple, 3 green, 1 yellow, 1 red.

Math
Ethan is 40 years old his son is 12 years old. How many years was Ethan 5 times older then his son

math
The sum of 8th term of an A.P is 60 while the sum of 50th term is 880. Find the 43rd term

Math
Write three arithmetic sequences with 30 as the sum of the first five terms

math
The Taylors have purchased a \$290,000 house. They made an initial down payment of \$10,000 and secured a mortgage with interest charged at the rate of 10%/year on the unpaid balance. Interest computations are made at the end of each month. If the loan is to be amortized over 30...

math
The number n-4,n+2 and 3n+1 are in GP.find the two possible value of the common ratio

Math probability
T and M are events such that n(U)=30, n(M)=17, n(T)=10, n((TUM)')=5 Draw a Venn diagram to display this information Hence find P(T and M) find P((T and not M)given that M)

math
Write all possible 3 digit number whose sum of digit is 4

Math
A, B and C are 3 points on the level ground.B is due south of A . The baering of C from A is 085. A vertical mast of height 50m stands at A. The angle of elevation of T from B is 44 and the angle of elevation of T from C is 28 Calculate AB,AC, CB

Math
Solve the equation: sin^-1 (4x^4+x^2) = 1/6 pi

math algebra three system equation
2x+y+2z=25 3x-y+6z=48 5x+2y+4z=55 I got stuck after step 2 of trying to eliminate the first two equations where do I go from their and would kindly like full explanation of how to solve it so I can practice it out. Thank you :)

Math intermediate algebra
The perimeter of a triangle is 33 inches. The sum of the length of the longest side and twice the length of the shortest side is 31 inches. Twice the length of the longest side minus the sum of the lengths of the other sides is 12 inches. Find the lengths of all sides. How do...

MATH HELP PLS
19. Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir with Mr. Green. Use ...

Math
Cassie rolled two 1-6 cubes 108 times. How many times should she predict the sum of 5?

math
shaline cuts out circles of diametre 5/4cm from a strip of dimensions 35/4 by 5/4cm how many full circles can she cut

MATH<<<<<
What are the mean, median, mode and range of the data set given the altitude of lakes in feet: –12, –9, –14, –39, –49, –49, –18, and –43?

math
49+51

math
the picture shows 12 flowers. there are 6 daisies, one sunflower, and 5 tulips. What fraction of the flowers are daisies?

math
Lupe is applying for a summer job. Six employees doing the same work earn \$8.00, \$8.50, \$9.00, \$9.50, \$10.00, and \$21.00 per hour. In the interview, the boss tells Lupe that the average hourly wage is \$11.00. Is the boss's statement misleading? Why or why not? A- No; it best ...

Math
A prize machine randomly dispenses small toys. There are 1515 prizes left: 55 bouncy balls, 33 toy cars, 22 stickers, and 55 dinosaurs. Kai gets 22 prizes. What is the probability that they are both toy cars?

Math
If you roll a six-sided die times, how many possible outcomes are there?

Math
Order the fractions from least to greatest 2/3 5/8 1/8 3/4

math
In a rhombus ABCD, m∠A = 31°. Point O is a point of intersection of diagonals. Find the measures of the angles of triangle ΔBOC. I got 15.5 degrees for angle OCB and thats right all I need is the angles for OBC and BOC

math
a plan flying at an altitude of 1000 m begins to climb at a rate of 10 metres per second graph the first 10 seconds of the plane's ascent plot time on the horizontal axis and altitude on the vertical axis

Math
A car used 8 gallons of gas to travel 340 miles a mechanic fixed the car. Then it used 7 gallons of gas to travel 350 miles. Gas cost \$4.00 per gallon. How much less to the nearest cent per mile did it cost to run the car after mechanic fixed it

Math *help*
Find each product. 5/6 x 10 A.8 1/3*** B.10 5/6 C.50/60 D.5/60 help please ^_^

math
After taking 20% off the original price, Victor paid \$14 for a book. What was the original price of the book? My guess is 16.8 it is not a Q&A it is write your own please help.

Math
Graph the linear equation 5. y = 3x + 3 My answer: D (probably wrong) 6. Find the slope of the line through (-9,-10) and (-2, -5) A: -5/7 B: 7/5 C: 5/7 D: -7/5

Math
Can someone please clarify this for me? Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.

Math
Untitled Stem and leaf plot. Vertical line separates each stem number from its first leaf number. First row. Stem 2. Leaves 6, 7, 7. Second row. Stem 3. Leaves 0, 2, 3, 3, 4. Third row. Stem 4. Leaves 0, 5. Key. 3 vertical line 0 means 30. What is the median of the data in ...

Math
A zoo measured the wingspan, in millimeters, of 9 butterflies. 55 50 54 57 50 55 53 52 55 What is the median length of the wingspans? 50 mm 54 mm 55 mm 57 mm I think it is 54 mm.

math
the average stone on the lowest level of the great pyramids was a rectangular prism 5 feet long by 5 feet high by 6 feet deep and weighed 15 tons. what was the volume of the average stone

Math
A zoo measured the height, in feet, of 9 giraffes. 18, 16, 22, 14, 17, 19, 15, 19, 22 What is the median height of the giraffes? 16 ft 17 ft 18 ft 19 ft I think it is 17 ft.

Math
We are learning about linear and exponential growth and simple and compound interest. How do I know if I use .02 if my growth rate is 2% or if I use 1.02? What is the difference if I have the 1 in front? I'm a little confused about that. Thank you.

Math
a book cover has the length and width (in inches). top 31-b, bottom 2+a+2b,sides 3a - b and 2+a+2b,find the values of a and b? Find the perimeter of the book cover.

math
use integer values of x from-3 to 3 to graph the equation y=2x^2=3 can you tell me the coordinates, then i can graph it, i just dont understand how to get them. thanks.

math
what amount was borrowed for which the amount of interest is \$ 200 at the rate of 5% for 4 years.

Basic Numeracy and statistics (math)
A rocket is shot into the air with an initial velocity of 800m/sec. The equation h = -16t2+144t models the height of the ball. how long does it take for the rocket to hit the ground (h=0)?

Math
Cosmic ray bombardment of the atmosphere produces neutrons, which in turn react w/ nitrogen to produce radioactive carbon-14. Radioactive carbon-14 enters all living tissue through carbon dioxide. As long as it is alive, carbon-14 is maintained in the organism at a constant ...

Math - Probability
3 letters are typed, with repetition allowed. What is the probability that all 3 will be vowels? Write your answer as a percent. Round to the nearest hundredth of a percent as needed.

Math
N(t)=2000e^(1.1t) the continuous growth rate is 110% effective growth rate?__% Q(t)=65e^(0.09t) continuous growth rate is 9% effective growth rate?__% G(t)=650e^(0.055t) continuous growth rate is 5.5% effective growth rate?__% round to 2 decimal places when necessary for ...

Math
How many times greater is the 4 in the hundreds place than the 4 in the ones place in the number 536,494

Math
The equation C=5h+10 represents the cost, C dollars, to rent a bicycle for h numbers of hours. A) write the equation in function notation

Math
P= P(initial)(1/2)^(t/80) I found Half-line:80 P=Pinitial(e)^(rt) i cant seem to find what r is. Help

math
the daily production of two factories A and B are 300 and 200 bottle respectively .2% of the product o f each factory are found to be defective .if 6 defective bottle are randomly selected from a daily production of A and B .find the probability that 4 of the defective bottles...

what is the area of the circle 4 mm use 3.14 for pi

math
Can anyone give me any word problems

math
Water is being poured into a conical cup that is 12cm tall. a) When the water in the cup is 9cm deep, what percentage of the cup is filled? b) When the cup is 75 percent filled, how deep is the water?

Math
A rectangular grassy area in a park measures 50 yards by 100 yards. The city wishes to put a uniform sidewalk around the grassy area which would increase the area by 459 yd^2. What is the width of the sidewalk?

Math
Roy has a patio that covers 434 ft^2. He wants to increase his patio 196ft^2 by adding 4 feet to both the length and the width. The length of the original patio is three feet more than twice the width What is the length of the new patio?

math
Beaudoin Haulage has signed a five-year lease with GMAC on a new dump truck. Lease payments of \$4500 are made at the beginning of each month. To purchase the truck, Beaudoin would have had to borrow funds at 8.7% compounded annually. (Do not round intermediate calculations ...

Math
which of the following could be represented by -8

math
Payments of \$1690 at the end of every six months will pay off the balance owed on a loan in 9.5 years. If the interest rate on the loan is 9.9% compounded semiannually, what is the current balance on the loan? (Do not round intermediate calculations and round your final ...

math
Monarch Distributing Ltd. plans to accumulate funds for the purchase of a larger warehouse eight years from now. If Monarch contributes \$12,000 at the beginning of each month to an investment account earning 4.5% compounded semiannually, what amount will Monarch accumulate by...

math
Given: ABCD is a rhombus, AB = 6, and m∠A=60° Find: The height.

Math
) Suppose that z=f(x,y)z=f(x,y) is defined implicitly by an equation of the form F(x,y,z)=0F(x,y,z)=0. Find formulas for the partial derivatives ∂f∂x∂f∂x and ∂f∂y∂f∂y in terms of F1,F2,F3F1,F2,F3. To enter your answer use F1, F2, F3 as the partial derviatives ...

Math
David uses 1/3 cup of apple juice for every 1/2 cup of cranberry juice to make a fruit drink.

math
An insect crawls on a piller 35m, it ascends 5m in the first minute but slips down 3m in the next minutes if it continous crawling in this way. what time it will take to reach at tha top of the pillar?

math
The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side than from the larger side of the rectangle. The perimeter of the rectangle is equal to 56 cm. Find the lengths of the sides of the rectangle.

Math 8
A stop sign has each side measures of 12.4 inches, and the distance from any side to the opposite side is 30 inches. Divide the stop sign into one rectangle and two trappezoids. What are the dimensions of the rectangle and each of the trapezoid Ok I divided it 12.4 all 8 sides...

math
1.What are the mean,median,mode and range of the data set given the altitude of lakes in feet:-9,-36,-23,-8,-17,-52,-27,and-36? 2.Given the data 21,13,13,37,13,23,25,15 a.What is the outlier in the data? b.what is the mean with the outlier? c.what is the mean without the ...

Math
Jamie spenta total of \$11.60 on 5dentical pens and a ruler .A rulercost\$1.30less than a pen .how much did a pen cost?

math
A movie theatre sells two types of tickets: adult and child. On Tuesday, the theatre sold 100 adult tickets and 70 child tickets and made a total of \$1,100. On Wednesday, the theatre sold 50 adult tickets and 50 child tickets and made a total of \$625. How much is an adult ...

math
The sum of three consecutive integers if the least integer is X ?

math
Pawleys total earnings after 3 years if the first year his salary was X dollars. The second year it was 5000.00 higher, and the third year it was twice as much as the second year?

Math
A person walks on the building.He slips 1m for every 5m he climbs. If the building is 53m high and he takes 5 seconds to climb 1m. Find the total time taken by him to get on the top of the building.

Math
An atom of gold has a mass of 3.25x10^-22 grams.What is the mass of 8000atoms?Express in scientific notation.

Math
If 1/6 cup of icing covers 2/3 of a cake, how much icing is needed to cover the entire cake? A. 1/9 B. 1/6 C. 1/4 D. 1/18

Math
How do you put 0.125,0.1,and 0.12 from least to greatest?

Math
A person walks on the building. He slips 1m for every 5m he climbs. If the building is 53m high and he takes 5 seconds to climb 1m . Find the total time taken by him to get on the top of the building . Please- solve this problem using integers.

Math
A person walks on the building.He slips 1m for every 5m he climbs. If the building is 53m high and he takes 5 seconds to climb 1m. Find the total time taken by him to get on the top of the building.

Math
In the year 1997, the surface elevation of Lake Powell was 3887 feet above sea level. In the year 2001, the surface elevation of Lake Powell was 3577.4 feet above sea level. The surface elevation of Lake Powell is at a rate of

math
Jungle Warehouse signed a 9-month simple discount note with a face value of \$5,600. Find the proceeds if the discount rate is 13%

The points plotted on the coordinate plane below are three vertices of a rectangle. ht tp : //imgur dotcom /a/eix1I What are the coordinates of the fourth vertex of the rectangle? (Remove the word "Dot", and put a "." in it's place to access the link, and also remove the ...

Math
A person walks on the building.He slips 1m for every 5m he climbs. If the building is 53m high and he takes 5 seconds to climb 1m. Find the total time taken by him to get on the top of the building.

Math
Adeline and Mandy had some money in the ratio 3:7. After Adeline receive \$92 and Mandy receive \$40, both girls had an equal amount money. How much money did they have at first?

math
For each of the following examples: i) Express the negation of the statement using propositional notation, simplifying as much as possible, and ii) Express the statement (and its negation) in words, for the provided propositional functions. (a) ∀x, (p(x) ∨ q(x)), where x...

math
Let f(x) be a twice differentiable function (i.e. f(x), f′(x) and f′′(x) are defined for all x), and let a ∈ R (a is a real number). If f′(a) = 0 and f′′(a) > 0, then a is a strict local minimum of f. (a) Express the second sentence in propositional notation ...

math
Five years ago, A was three times as old as B and ten years later, A shall be twice as old as B. What are the present ages of A and B (in years).

math
The maturity value of a \$28,000, 6%, 60-day interest-bearing note on August 6 is

Math
If the sides of a triangle are tripled, by what number would the area be multiplied? I Don't understand the question so I don't know how to show the work.

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