# Math

## Recent Questions

**Math~Coordinate Planes**

On a coordinate plane, how are the locations of the points (3, -1) and (-3, 1) related? A. locations unrelated B. reflection across the x-axis C. reflection across both axes* D. reflection across the y-axis

**math**

the gross domestic product (GDP) of a certain country is growing at a constant rate. In 2009 the GDP was 125 billion dollars , and in 2011 it was 155 billion dollars. At what percentage rate will the GDP grow in 2014?

**math**

In a small country of varia a bill becomes a law only if 34/50 of the senators approve it

**FINITE MATH**

Robin, who is self-employed, contributes $5500/year into a Keogh account. How much will he have in the account after 35 years if the account earns interest at the rate of 2.5%/year compounded yearly? (Round your answer to the nearest cent.)

**Math**

In a study, info about 224 amphora was gathered. The locations where the amphora were found were recorded as, north, south or elsewhere. Also the positions in which the amphora were found was recorded as layer, pit or other. I need to state the null and alternative hypothesis ...

**math**

Find the distance between A and B, if Jimmy travelled from A and B at 100 km/h. This trip would take him 3 hours more at 80km/h

**Math**

If a<0, what is the maximum value of (a/11)+(11/a)?

**math**

A book is 10 cm x 18 cm long and 2 cm thick. It has a protective paper ‘jacket’ over the entire cover and folding 5 cm under the front and back covers. How much paper is needed for the ‘jacket’?

**Math**

Find the horizontal change and the vertical change for the translation P(4,-4) (-4,7) 1) right 8; up 11 2 )left 8; down 11 3)right 8;down 11 4)left 8; up 11 #4 is my answer. Can you check? Thanks

**Math**

estimate the circumference of a circle with the radius of 4 inches use 3.14 for pi round the the nearest hundredth A. 25.12*** B. 12.56 C. 50.24 D. 624.6

**Math**

Mr. santos has 3/4 of paint and each chair requires 1/9 of a gallon of paint. He thinks he has enough paint for 7 chairs.is he correct or incorrect

**Math**

Is the product of 14.5 and 2.3 greater than or less than the quotient of 34.56 and 2.4

**math- precal**

If a ball is hit with an initial velocity of 110 feet per second at an angle of 45 degrees from an initial height of 2 feet, how long will it be in the air?The following parametric equations are used to represent the location of the ball after t seconds.

**Math**

Jason will use a 1/3 gallon pitcher to fill an empty 3/4 gallon water jug. How much water will he need in order to completely fill the water jug?

**Math**

A car traveled 36 miles in 45 minutes, the car traveled at a constant speed. If the the car continues to travel at this rate, which equation can be used to determine y, the total number of miles the car will travels in x hours?

**Math**

What are all the expressions that represent the following: Anthony read 5/6 hour each day for 5 days. A.5×1/6 B.5×5/6 C.5+5\6 D.5×5×1/6 E.5/1+5/1+5/1+5/1+5/1

**geography**

Find the surface area of the cylinder in terms of pie. 14 cm diameter and 18 cm for the height. π = the number pi (3.1416...) r = radius is not the correct way to do this problem any help would be great. answer are 350cm^2 i think this is correct however how do I do the math ...

**math**

Yon made contributions to a Traditional IRA over the course of 25 working years. Her contributions averaged $3,000 annually. Yon was in the 26% tax bracket during her working years. The average annual rate of return on the account was 4%. Upon retirement, Yon stopped working ...

**math**

Simplify. 8m+4n+7m−2n What is the answer? a.17mn b.15m + 6n c.15m + 2n d.m + 2n

**Math**

If the length of a rectangle is decreased by 4 cm and the width is increased by 5 cm, the result will be a square, the area of which will be 40 cm2 greater than the area of the rectangle. Find the area of the rectangle.

**math**

the length of a rectangular garden is 5 feet more than the width. the perimeter is 50 feet.what is the width

**math**

what does squared mean?

**Math-Algebra II to be exact**

Come up with a new linear function that has a slope that falls in the range −1< m <0 . Choose two different initial values. For this new linear function, what happens to the function’s values after many iterations? Are the function’s values getting close to a ...

**Consumer math**

Which is not a part of your budget? Primary job gross income Second job realized income Fixed expenses Discretionary expenses**** my answer Am I correct?

**math**

Find an equation of the circle with center at (-9,2) and passing through (2,-2) in the form of (x-A)^2+(y-B)^2=C where A,B,C are constant. Pleaseeeeee helpppppp!!!!!!!!

**math**

Find δ and β such that X^3/8 * y^-6/7 *[y^9/7 / X^45/8]^1/9 = X^δ/yβ

**MATH - Log**

Solve for X in (Log X)Â²-6Log X + 9=0 3 3 Help please

**MATH**

Find the real and imaginary part of 6¡/(2-¡)² Pls I need working and answer pls

**Math**

Express (√3-¡)^8 in the form a+¡b there a,b € R Answer please

**Math**

The names of the students in Mr. Hayes' math class are written on the board. Mr. Hayes writes each name on an index card and shuffles the cards. Each day he randomly draws a card and the chosen student explains a math problem at the board. What is the probability that Ryan is ...

**Math**

To play a game you spin a spinner like the one shown. You win if the arrow lands in one of the areas marked "WIN". Lee played this game many times and recorded her results. She won 8 times and lost 40 times. Use Lee's data to explain how to find the experimental probability of...

**Math**

Dree rolls a strike in 6 out of the 10 frames in bowling. What is the experimental probability that Dree will roll a strike in the first frame of the next game? Explain why a number cube would not be a good way to simulate this situation. I am confused on the above. Please help.

**Math~Geometry**

Find the circumference of the circle. Use 3.14 or pi. Round to the nearest unit. The circle has a line going through the center and under the line it says: 13 cm. A 16 B 41* C 20 D 62

**Math: Integers**

Is the sum of two integers always greater than the difference between them? Why or why not? Give examples to support your answer. I think the answer is no.

**MATh**

Prove by mathematical induction that 1+3+5+7+......+(2n-1)=n²

**Math**

Find all real number X Which satisfy the inequality 1/3(X+3)-1>1/5(X+6) Pls I need answer with solution step

**Math**

Explain why domain restrictions for inverse trigonometric functions are necessary? I’m having trouble understanding this topic could anyone explain? My teacher makes no sense :/

**Math**

Given that kx^3+2x^2+2x+3 and kx^3 -2x + 9 have a common factor,waht are the possible values of k?

**MATH *halp***

Create two different real-world scenarios—one in which you would use permutations and one in which you would use combinations: Include specific details and an explanation about what makes each situation either a combination or permutation. Provide sample data and calculate ...

**Math**

Find the value of c for which the expression x^3 + (9-c)x^2 -c^2x -5c^2 +25c-100 is divisible by x+4 but not by x-5.

**math**

A bag is filled with yellow and orange marbles. There are 97 marbles in the bag. If there are 25 more yellow marbles than orange marbles, find the number of yellow marbles and the number of orange marbles in the bag.

**Math**

Write an expression to represent: Eight more than the product of two and a number xxx.

**math HELP!!!!!!!!!!**

If all the dimensions of a cube are increased by 5 units, how will the surface area change? increase by a factor of 5 increase by a factor of 10 increase by a factor of 25 increase by a factor of 50

**math 11**

If a truck travels at 120km to a warehouse with an empty truck. On the return trip, with a full truck, the truck driver travels 20 km slower. If the entire trip took 3.5 hours then determine his speed to the warehouse. IF the rate is 120 when leaving and 120-20 is the rate ...

**math HELP!!!!!!!!!!**

A rectangular prism has the following dimensions. length: 8 cm width: 13 cm height: 10.5 cm If all the dimensions of the prism are doubled, what will be its new surface area? 1,298 cm2 4,192 cm2 2,596 cm2 4,368 cm2

**MATH**

Using binomial theorem to expand (2-¼x)⁴

**Math**

If y=x²-6x+9, Find the range of value of x for which y ≥ 0. Pls I need working answer

**Math-Pre-Calc**

Suppose that Mr. X will be giving away a golden homework pass to one student in each class. The recipient of this pass is excused from homework all year. He has developed a unique system for determining who will get the pass. 1. First, he wants all students, x, who are present...

**math**

what is the distance between (-5,0) and (-9,11)? Please helpppppp!!!

**math**

Find an equation of the circle with center at the origin and passing through (2,-5) in the form of (x-A)^2+(y-B)^2=C where A,B,C are constant.

**math 11**

How much alfalfa should be added to 60L of ostrich pellets to create a mix that is 32% alfalfa by volume? I have no idea how to start this question. If I let x be the alfalfa and x+60 = 32 be the mix

**math**

State and prove the Pythagorean Theorem.

**math**

The cookie dough used by a bakery to make 2-ounce cookies contains an average of 32 raisins per pound of dough. the bakery sells cookies in bags of a dozen. suppose that customers complain if one or more of the cookies in a bag contains no raisins. over the long run, about ...

**math**

Wallace has a $500 budget for a pizza party. Pizzas cost $12 each. He will also purchase drinks for $30, paper plates for $15 and napkins for $6. Write and solve an inequality that shows how many pizzas Wallace can purchase.

**math**

Carla the baker worked four hours to make cookies. She ended with 380 cookies altogether. Write an equation to express how many cookies Carla made each hour.

**math/combination probability**

what is the probability of getting all questions right on a 15 question, 3 multiple choice (each) with just guessing? i did 15 C 3 and got 1/455

**math**

If (-4,-2) and (2,6) are opposite points on a circle, what is the equation of the circle?

**Math**

A bag contains 8 blue coins and 6 red coins. A coin is removed at random and replaced by three of the other color. a. What is the probability that the removed coin is blue? b. If the coin removed is blue, what is the probability of drawing a red coin after three red coins are ...

**Math**

James counts the hair colors of the 22 people in his class including himself. He finds that there are 4 people with blonde hair, 8 people with brown hair, and 10 people with black hair. What is the probability that a randomly chosen student in the class does not have red hair...

**Math**

The power goes out as Sandra is trying to get dressed. If she has 4 white t-shirts and 10 colored t-shirts in her drawer, is it likely that she will pick a colored t-shirt in the dark? What is the probability that she will pick a colored t-shirt? Explain your answers. I feel ...

**Math**

A researcher's garden contains 90 sweet pea plants, which have either white or purple flowers. About 70 of the plants have purple flowers and about 20 have white flowers. Would you expect that one plant randomly selected from the garden will have purple or white flowers. ...

**Math**

For breakfast, Clarissa can choose from oatmeal, cereal, French toast or scrambled eggs. She thinks that if she selects a breakfast at random it is likely that it will be oatmeal. Is the correct? Explain your reasoning. I am not sure on the above at all. This has me a bit ...

**Math**

Hello I hope that you are having great evening. I do need a bit of help on the below math problem please. There are 12 pieces of fruit in a bowl. Seven of the pieces are apples and two are peaches. What is the probability that a randomly selected piece of fruit will not be an ...

**Math**

There are 4 aces and 4 kings in a standard deck of 52 cards. You pick one card at random. What is the probability of selecting an ace or a king? Explain your reasoning. I am a bit confused on this one. Please help.

**Math HELP please!!!**

An investment account earns 4% per year compounded annually. If the initial investment was $4,000.00, how much is in the account after 3 years? Round your answer to the nearest dollar. Can someone help please?

**Math**

What is 6 2/3 ×5

**math statistics**

A machine has 9 identical components that function independently. The probability that a component will fail is 0.2. The machine will stop working if 1 or 2 components fail. Find the probability that the machine will be fail?

**Math**

Paul saves $60 every month.This is 15$ of his salary. Calculate Paul's full salary.

**math**

1)what is the smallest integer greater than 1 that leaves a remainder of 1 when divided by any of the integers 8,9, and 10? 2) The square root of the difference of (B^2 /16) and (b^2/25) 3) Mr. Baker is 30 years old when his son is 4 years old. In how many years will Mr. Baker...

**math**

A taxi cab company charges $8.00 per ride plus $0.75 for each mile driven. Which equation models the total cost (c), in dollars, of a taxi cab ride, where m is the number of miles driven?

**Math 6th Grade**

A deep-sea diver must descend and ascend in short steps to equalize pressure on his body. If the diver rises toward the surface too fast, he may suffer from a physical condition called "the bends". Suppose the diver started at 82 feet below the surface and rose in five steps ...

**Math**

A 2.05m man, standing in front of a street light 3.08m high, casts a 1.5m shadow. What is the angle of elevation from the ground to the source of light?

**Math**

barbara can walk 3200 meters in 24 minutes.Mavis can walk 11,808 feet in 24 minutes.Who walks at a faster rate of speed?Explain the steps you take to solve the problem.

**Math**

If P(x) is a cubic polynomial with P(1)=1, P(2)=2, P(3)=3, P(4)=5, find P(6).

**math**

If you buy something for 5 cents and sell it for 2.50 what percentage is the mark up?

**MAth help please**

8.)The data in the table illustrate a linear function. x |-3| 0| 3|6| y |-5|-3|-1|1| A.) -3/2 B.)-2/3 C.)2/3 D.)3/2

**Math**

There are 4 queens in a standard deck of 52 cards. You pick one card at random. What is the probability of not picking a queen? This one is a bit confusing. 4/52=1/13 is the probability of picking a queen. I am not sure how to figure this one out.

**Math**

A spinner has 5 equal sections marked 1 through 5. What is the probability of not landing on 4. (1, 2, 3, 4, 5) 1/5 or 1 out of 5 is the probability of landing on 4 My answer: 4 out of 5 is the probability of not landing on 4. Is this correct?

**Math**

barbara can walk 3200 meters in 24 minutes.Mavis can walk 11,808 feet in 24 minutes.Who walks at a faster rate of speed?Explain the steps you take to solve the problem.

**Math**

A spinner has 3 equal sections that are red, white, blue. What is the probability of not landing on blue? My answer 2 out of 3 or 2/3 is the probability of not landing on blue. Is this correct?

**Math**

Use the complement to find each probability. What is the probability of not rolling a 5 on a standard number cube? My answer is 1/6 since there are 6 faces Is this correct and if not can you explain on how to do this? Thank you

**Math**

The back-to-back stem-and-leaf plot below shows the ages of patients seen by two doctors in a family clinic in one day. Compare the ages of the patients of doctor 1 and doctor 2 using the mean and the median of each data set. Ages if doctors patients Doctor 1 doctor 2 920| 3 5...

**Math**

Find each probability. Write your answer in simplest form. I am a bit confused on what they mean when they say write the answer in simplest form. Picking a diamond from a standard deck of playing cards which has 13 cards in each of the four suits: spades, hearts, diamonds and ...

**Math**

In two concentric circles, a chord of length 8cm of the larger circle touches the smaller circle . If the radius of the larger circle is 5cm then find the radius of the smaller circle.

**Math**

Determine whether each event is impossible, unlikely, as likely as not, likely or certain. Then tell whether the probability is 0, close to 0, 1/2, close to 1, or 1. Spinning a spinner that has 5 equal sections marked 1 through 5 and landing on an even number. I am a bit ...

**math**

Find the amount paid for the loan $1500 at 9% for 2 years

**Math**

Determine whether the event is impossible, unlikely, as likely as not, likely, or certain. Then tell whether the probability is 0, close to 0, 1/2, close to 1 or 1. Picking a number that is divisible by 5 from a jar with papers labeled from 1 to 12. The numbers divisible by 5 ...

**Math**

The back-to-back stem-and-leaf plot below shows the ages of patients seen by two doctors in a family clinic in one day. Compare the ages of the patients of doctor 1 and doctor 2 using the mean and the median of each data set. Ages if doctors patients Doctor 1 doctor 2 920| 3 5...

**Math**

Determine whether the event is impossible, unlikely, as likely as not, likely, or certain. Then tell whether the probability is 0, close to 0, 1/2, close to 1 or 1. Picking a number less than 15 from a jar with papers labeled from 1 to 12. My answer: Certain because the papers...

**Math**

Determine whether the event is impossible, unlikely, as likely as not, likely, or certain. Then tell whether the probability is 0, close to 0, 1/2, close to 1 or 1. Randomly picking a red card from a standard deck of cards. I know that there are 52 cards in a deck. 26 are red ...

**Math**

Determine whether each event is impossible, unlikely, as likely as not, likely or certain. Then tell whether the probability is 0, close to 0, 1/2, close to 1 or 1. 2. Randomly picking a green card from a standard deck of playing cards. My answers is that this is unlikely ...

**math Help!!!!!!**

1. which solid has one base that is a rectangle and four lateral surfaces that are triangles? (1 point ) triangular pyramid ****** cone rectangular prism rectangular pyramid 2. Sarah needs to cover the lateral area and the base on top of the cylinder? ( 1 point ) about how ...

**Math**

Paige's dad just made a new front door for their house The door measures 84 inches by 54 inches How many square inches will Paige have to paint if she paints the front side of the door?

**math**

A fisherman traveled in a boat from point N upstream. After having traveled 6 km, he stopped rowing and 2 hour 40 min after first leaving N, he was brought back to N by the current. Knowing that the speed of the boat in still water is 9 km/hour, find the speed of the river’s...

**math**

How do you solve this expression \sqrt[8]{v^{40}}!!! So basically it's v^40 divided by 8!!! When I typed v^5 on my homework it said that it was incorrect!!! I want to know what I did wrong!!! Pleaseeeeeeee helpppppppp!!! :(

**plz help math**

The cost of a student ticket to the school play is $7. Write an equation that correctly relates the total cost, c, for a particular number, s, of student tickets purchased. Identify the independent and dependent variables.

**math**

Municipal Bond: 25% U.S. Treasury Bond: 25% Preferred stock in established company: 15% Common stock in developing firm: 5% Savings Account: 30% Explain, using complete sentences, if this portfolio is not diverse, minimally diverse, somewhat diverse, or extremely diverse. Why...

**Math**

What number multiplied by the IQR (22, 34) equals the difference between the medians (12) of the two sets?

**Math**

The back-to-back stem-and-leaf plot below shows the ages of patients seen by two doctors in a family clinic in one day. Compare the ages of the patients of doctor 1 and doctor 2 using the mean and the median of each data set. Doctor 1 Doctor 2 | 3 | 5 9 2 0 | 2 | 0 0 2 3 6 8 7...

**Math**

Which measure correctly completes that statement? 3,271.5 milligrams=?grams A.0.032715 ML B.5,388.26 ML**** C.538.826 ML D.53,882,600 ML