# Math

## Recent Questions

**Math Double Check Me Please**

1.what is the slant height for the given pyramid to the nearest whole unit. pyramid base= 12 cm height=8 cm A.5 cm B.9 cm ***** C.14 cm D.10 cm What is the length of the diagonal for the given rectangular prism to the nearest whole unit? the unit is the length=6, width=5, ...

**Math**

A radio program describes a fictional town in which "all the children are above average." In what sense is it possible that all the children are above average? In what sense is it not possible that all the children are above average?

**Math**

A teacher gives a test to a class of 20 student. Is it possible that 90% of the class scores above average? Give examples of test scores for which this is the case. If not, explain why not?

**Math**

Evaluate 6C2 6 and 2 are underscored I know that if it was P it would be 6-2 for the first step. What do I do since its C.

**math**

The figure shown is a rectangle. The green shape in the figure is a square. The blue and white shapes are rectangles, and the area of the blue rectangle is 40 square inches. Enter an expression for the area of the entire figure that includes an exponent. Then find the area. An...

**math**

Six boys ran a 100m race.Time taken to run the race is 14 seconds. The time in seconds taken by each boy is shown below. Al - 11 seconds Ben 12 Seconds Che - 14 Seconds Don - 12 Seconds Eze - 10 Seconds and Fred - 13 Seconds a) Who won the race b) For which position was two ...

**Math**

There are 13 2/3 cup servings per bag. How many 1/2 cup servings does that make?

**math**

Can someone help me and explain what (10P4-) is pls?

**Math**

Joseph invest R36000 at a simple rate of 6% per year.How much will this amounts to 6 years and 5 months?

**math 105**

Suppose the scores of students on an exam are normally distributed with a mean of 501 and a standard deviation of 72. Then approximately 99.7% of the exam scores lie between the integers and such that the mean is halfway between these two integers. Use the empirical rule.

**Math**

A moving company charges $0.60 per pound for a move from New York to Florida. A family estimates that their belongings weigh about 6 tons. About how much would it cost the family to move from New York to Florida?

**Math**

Anais bought 4.5 yards of ribbon. She had 3 feet 8 inches of ribbon left after trimming some curtains. How many inches of ribbon did Anais use to trim the curtains?

**Math**

Which is a compound-complex sentence? A) After the massacre occurred, the government started an investigation, but no one expected to find anything. B) Although it will set you back at least a thousand dollars, a trip to Las Vegas is unforgettable. C) The funeral will be held ...

**Math help plz**

2. Sarah need to cover the lateral area and the base on top of the cylinder. h=12in r=6in v=? about how many square inches of paper will Sara need? A. 282in 2 is the ratio B. 254in C. 679in D. 565 answers plz for all

**Math**

Hi I am putting the questions that don't have pictures with the problem from my Measurement Unit Test I need my answers checked because as of now I have a c in math and I want to raise it so I need to make sure my answers are correct! 1. Which solid has 2 bases that are ...

**math**

For questions 1 and 2, use the integer values of x from -3 and 3 to graph the equation 1. y= -2x^2 +3 (the ^ means an exponent) 2. y= 1/3 |x| -2 Find the horizontal change and the vertical change from the translation P(4, -4) --> (-4, 7)

**Pre calc**

Please help me proof the identity. This isn't even math to me, I can not understand it so please show all work. God bless A)1-cos2x/sin2x=tanx B) sin4x/sinx=4cosxcos2x

**Urgent math help!!**

What is the value of sinθ given that (−3,4) is a point on the terminal side of θ ? −3/5 3/5 4/5 <my answer −4/5

**math**

A deposit of $10,000 at 9.5% for 90 days = _____.

**Math**

Johnsons mother bought 25kg of flour.she put the flour equally in 8 small bags.she kept 3 bags and gave the rest to friends.wat is mass of flour she kept?wrote your answer as a mixed number in aimplest form

**Math**

Please Help Solve each equation for 0<x<2 pi 2cos^ 2 x +sins-1=0

**math**

For every 8 squirrels that Travis sees in his backyard, six are dining at the bird feeder. Travis saw 28 squirrels today. About how many were eating birdseed?

**math**

The graph of the equation 8x–5y=14 passes through a point with an abscissa of 1.2. Find the ordinate of the point. I got .8 repeating but my teacher said that it was wrong. I then got 9.6 and it was also wrong. what am I doing wrong and can you put the answer with the ...

**math**

write a program in basic to find the H.C.F of two positive integers A and B

**MAth**

In a set of five consecutive positive even integers, the ratio of the greatest integer to least integer is 2 is to 1. If these integers are arranged from lowest to highest, which is the middle integer in the list?

**Math**

Suppose k is a continuous function so that k(-2)=3 and k'(-2)= -4 . a. Use the given information to approximate the value of k(-1.4). b. If k''(x)<0 for -3<=x<=0 , will the approximation for k(-1.4) you found in part (a) be greater than or less than the actual value ...

**Math**

6x10^-5x700 divided by 4x10^5x1.5x10^7 simplify using scientific notation/

**math**

The sum of the first 5 terms of a GP is 61. If the 5th term is 81 solve the value of the common ratio.

**Math**

Define a variable and write an expression to represent the following phrase: Seven years younger than Lisa.

**Math**

A rectangular family room has 204 square feet of floor space. If its length is 17 feet, how many feet wide is it? A. 18 B. 12 C. 17 D. 187 E. Not enough information is given. Answer: 204/17=12

**math**

Express the radius r of a sphere as a function of the volume V it encloses.

**Math**

For what value(s) of b, if any, will the function q(x) = (x^4)/2 +b*x^2 +32x-5 have a derivative of zero AND a point of inflection at the same value of x?

**MATH (7th Grade)**

Laura is standing 9ft away from a light pole. her shadow is 6ft long. If Laura is 5ft tall, which is closest to the height of the light pole 14.8???

**math**

Laura is standing 9 ft away from a light pole, Her shadow is 6 ft long. If Laura is 5 ft tall, which is closest to the height of the light pole?

**MATH**

The work crew for the talent show at the local high school includes these members: 2 freshmen,4sophomores,8juniors,6 seniors.If the sponsor randomly chooses 1 member of the work crew to announce the act & 1 member to control the lighting, what is the probability that he will ...

**Math**

which equation has (2,-1) as a solution? y=2x-1 y=x+3 y=x-3 y=-2x+1

**Math**

Is the sum of two integers always greater than the difference between them? Why or why not? Give examples to support your answer.

**Math-fractions**

A receipt requires 1/2 cup of flour for every batch of cookies. How many full batches of cookies can be made with 5 1/2 flour?

**Math**

The 24 students in Mr. Brown's homeroom sold 72 magazines subscriptions. The 28 students in Mrs. Garcia's homeroom SortIt 98 magazine subscriptions. Whose homeroom sold more magazine subscriptions per student? Explain your reasoning.

**Math**

Which of the following is equivalent (-2)-5 A.-2 + (-5) B.-2 + 5 C.2 + (-5) D.2-(-5)

**Math; Statistic**

At peak periods, 15% of attempted log-ins to an email service fail. Log-ins attempts are independent and each has the same probability of failing. Ann logs in repeatedly until she succeeds. A. find the probability that Ann needs to log in at least four times before she ...

**math**

Why is -4^2 -16, not 16? To me, -4 * -4 = 16 because a negative times a negative equals a positive. I understand -(4)^2 being negative but not without the parentheses. Thank you.

**math**

Place grouping symbols in this expression so that the value of the expression is 37.Then justify your answer by simplifying the expression. 8×5-6+12÷6

**math**

I need to paint 2 walls of 125 feet long (W)x 8 feet tall (Height). how many gallons of paint do I need to buy to cover all the walls?

**Math**

Simplify the expression 131,000x0.0003 using scientific notation and express the answer in scientific notation.

**math**

A pipe is cut into twp pieces. One piece has a length of 33 inches. If the other piece has a lenght of u inches, what was the total lenght of the pipe, in inches, before cut?

**Math**

24. solve the system of equations algerbraically. show all of your steps. (2 points) y=x^(2)+2x y=3x+20 I'm just having trouble understanding. Please help

**Math**

the thirteenth term of an arythmeticprogression is 27. given that the seventh term equals to three times the second term, find: the first term nd the common difference of the progression

**Math**

A 24-ounce bag of chips cost $2.88. If the unit price stays the same, how much would a 40-ounce bag of chips cost?

**Math**

a model rocket is launched from a roof into a large feild. The path of the rocket can be modeled by the equation y=-0.8x^(2)+12x+25.8 where x is the horizontal distance, in meters, from the starting point on the roof and y is the height in meters of the rocket above the ground...

**MAth**

Ifa#b=a*b-2*a*b+b*b(-a)*b+b*b then find 4#(-3) *=multiplication

**English**

1. Write down four friends' names in the name column in the table. 2. You can communicate with others in groups with the five questions on the blackboard. 3. What is her mother asking of her? 4. I'd like you to introduce one of your friends in the table to the classmates. 5. ...

**Math**

Fred and Jane are brother and sister. Fred is 3years older than twice jane's age. The sum of their ages is less than 36. Taking jane's age To be x years form a inequation. What can you say about jane's age.

**Math**

A pet shop bought a litter of puppies for $120. All but four of them were sold, a a profit of $5 each, for a total of $120. How many puppies were in the litter.

**Math**

how do i find the nomial rate? A=500×(1.01^(4t)) is there a formula to find it? confused

**Math**

3.3x0.006x10 divided by 12x0.005x200 simplify and express in scientific notation.

**MATH**

Simplify the expression 20,000x0.024 using scientific expression.

**Math**

Draw a circleofradius5cmandalinethroughthecenterofthecricledrawatangenttothecriclemakingaangle30degree

**math**

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

**Math**

An atom of gold has a mass of 3.21x10^-22.What is the mass of 8000 atoms?Express in scientific notation.

**Math - Calc**

If f(x)=∫[1,x^2] t^t dt find f'(x). Another problem similar to this one on my assignment was f(x)=∫[1,x] t^t dt, and the answer was f'(x)=x^x. That same pattern would say this answer should be (x^2)^(x^2), but that's not being accepted. What am I missing here? Please help

**Math**

The results of a certain medical test are normally distributed with a mean of 130 and a standard deviation of 12. (A reading above 149 is considered unhealthy.) Use the given table to find the percentage of people with readings above 141.

**Math**

when only tom was absent 19 students in his class took a math test and their average score was 82%.when tom came back to school he took the test and got a 72% .what happened to the class average

**Math - Calculus**

g(x)=∫[6x,3x] (u+2)/u-5) du Find g'(x)

**MATH**

IF a#b=a^b-2ab=b^b(-a)^b+b^b then find4#(-3) sign^=multiplication

**math**

find the square root of 21

**math**

write zero in roman numeral.

**math- integral**

Find the derivative of: G(x) = ∫(top x) t^5 sin(−7t−4)dt . (bottom 9)

**Math**

Determine whether the question is a statistical question. If it is a statistical question, identify the units for the answer. An antique collector wants to know the age of a particular chair in a shop. I do not feel that this is a statistical question. Am I correct on this?

**Math**

Determine whether the question is a statistical question. If it is a statistical question, identify the units for the answer How tall is Sam? I do not believe this is a statistical question. Am I correct?

**Math**

Determine whether the question is a statistical question. If it is a statistical question, identify the units for the answer. How tall is Sam? This is not a statistical question. Am I correct?

**Math Statistic**

A student randomly guessed the answers to a five question true/false test (there is a 50% chance of guessing correctly on each question). Find. 1. the probability that the student answers more than 1 question correctly 2. the expected number of correct answers 3.the standard ...

**Math Statistic**

Toss a coin 3 times. Let x be product of (# of H)*(# of T). Find 1. P(X>1)= 2. Var(X)=

**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!!

**Math. (Didn't understand please help!)**

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