# Math

## Branches of Math

## Recent Math Questions

**math**

A sum of money becomes 85 of itself in 5 years at a certain rate of interest. The rate percent per annum is :

**Math**

What does the y = in exponential problems? Y2 × y4 the exponents are the 2 and 4

**Math Statistics**

"In the United Kingdom's Lotto game, a player picks six numbers from 1 to 49 fir each ticket. Rosemary brought one ticket for herself and one for each of her four adult children. She had the lottery ticket. When the sic winning numbers were drawn, Rosemary was surprised to ...

**Math**

in a school band, 2/5 of the students play wind instruments. In the woodwind section, 1/2 of the students play the clarinet. What part of the band plays the clarinet?

**math**

In a quiz competition of60 competitors 24drank Cocacola 25 drank fanta while 22 drank maltina. 6 drank cacacola and fanta and 5drank fanta and maltina.if a number of competitors drank the 3types of soft drink and 5did not drink any of them.draw a Venn diagram to illustrate the...

**math**

Find the area between the loops of the limacon r=2(1+2cosθ)

**Math**

On a average day a horse might drink 50liters a sheep might drink 4 liters and a chicken might drink 200ml. How much water would a farm with 3 horses 15 sheep and 12 chickens need for a day?

**Math**

Factor the polynomial into linear term. x^4-2x^3-3x^2

**Math**

Kailey's recipe calls for 1 1/2 cups of oil to make one large batch of cookies. How much oil will she need for 1/4 batch?

**4th Grade math**

A pitcher contains a liquit mixture of water and lemon juice. The water makes up 2/5 of the weight of the liquid mixture. There are 30 ounces of water in the pitcher. How much lemon juice is in the pitcher?

**maTH**

which of the following correctly identifies angles that add up to 90 degrees and 80 dewgrees

**math**

trey drove 63 miles in minutes. if he drove at a constant rate, what is his speed in miles per hour

**Math**

Does the term "one real solution" and "one root" mean the same thing

**Math**

A meteorologist predicted that the downtown area would get 16 inches of snow in a snowstorm. The downtown area ended up getting 13 inches of snow. What was the percent error of the prediction?

**math**

trey drove 63 miles in minutes. if he drove at a constant rate, what is his speed in miles per hour

**math**

if mark is 32 years younger than his father. the sum of their ages is 72. how old is mark?

**math**

.20x+x=? what is ?

**Math**

7/8×16=

**Math**

Katherine,claire and Lisa each have coins saved.Lisa has twice as many coins Lisa has.write a smplified expression representing the total number of coins that the three girls have

**Math**

Graph the following polynomial. f(x)=(x+3)^2(x-2)^2(x+5) How would i graph ? f(x)=(x+5)

**Math**

Identify the end behavior f(x)=(x-4)^2 As x ---> positive infinity, f(x) --> ____ infinity and as x --->, f(x) ---> ____ infinity Fill in blank

**math**

Fred has 3 times as many dimes as quarters. How many dimes does he have if the value of all the coins is $3.85?

**Math**

A restaurant uses 80 pounds of potatoes per week. The restaurant owner buys the potatoes in 10-pound bags from a local farmer. How many bags will the owner need to buy this week?

**math**

how do I find the possibilities here: x^2 blank 24 x^2 +2x blank It is confusing

**math**

Help... 1. -1 3/4 writing as the quotient of two integers. 2. -0.73 writing as the quotient of two integers.

**Effective Learning Environment**

Which would be an important consideration for developing a preschool classroom? A. Unlike kindergarten children, children at this age don't participate in long-term projects, so they don't need storage for longterm work. B. You won't need a science or math center since ...

**Math**

Fine the max or min points and the points of inflection for the function y=3x^4 - 10x^3 - 12x^2 + 12x - 7 Can someone help me!!!

**math**

Suppose there are approximately 314 million people in the U.S. If the world population is 6.8 billion people, what percent of the world population is in the U.S.?

**Math Limits**

Let, f(x) = {4, x<5, -3x, x=5, 10+x, x>5} Evaluate each of the following: a) lim(x-->5-)f(x)= b) lim(x--)5+)f(x)= c) f(5)=

**Math - Continuity of Functions**

Let f(x)=(x-2)/((sqrtx)-(sqrt2)), if x does NOT equal 2 and f(x)=k if x=2. Then f is continuous everywhere in its domain if k=

**Math - Continuity of Functions**

For what value of the constant c is the function f continuous on (−∞,∞) where f(x)= c if x=0, and xsin(1/x) otherwise

**Math**

5x5

**Math**

Five of the interior angle of a hexagon are equal if the size of the sisth angle is 155,what is the size of each of the five equal angle

**Math - limits**

Let f(t)=sint where t is the measure of the angle in degrees. Thus f is the sin function on your calculator if you select degree mode. Then: lim(t->0)(f(t)/t)= (Your answer will be a real number.)

**math**

Find the equations of at least three lines that intersect each other at the point (6, -2).

**Math**

Kelly has 15 blue bracelets and 12 green bracelets. What is the ratio of Kelly’s blue bracelets to green bracelets?

**math**

In the card game “Match,” the loser has to double the money of the other players. Juan, Jamal and Joey are playing. First Juan loses and doubles the money of Jamal and Joey. Joey loses the next hand and doubles the money of Jamal and Juan. Jamal loses the next hand and ...

**Math**

2. Write a ratio for the situation in three ways comparing the first quantity to the second quantity. In union City, about one in every three homes has two cars A. 5 to 2, 5:2, 5/2 B. 1 to 3, 1:3, 1/3 C. 5 to 3, 5:3, 5/5 D. 3 to 2, 3:2, 3/2

**math**

Mrs. Smith was complaining about her teenagers drinking too much soda. Her three teens drank two cases of soda every five weeks. Mrs. Jones replied that her six teens go through five cases every four weeks. Who drinks more soda in a week on the average, one of Mrs. Smith...

**math**

M is partly constant and partly varies with N, when N = 14, M = 150 and when N = 54, M = 192. Find the formula connecting M and N hence find M when N = 73 solutions m = k + cn 192 = k + 54c.................... (1) 150 = k + 14c.................... (2) subtract ( 1 ) from ( 2...

**math**

solve the proportion 42/15 = ?/10

**math**

M is partly constant and partly varies with N, when N= 14, M = 150 and when N = 54, M = 192. Find the formula connecting M and N hence find M when N= 73 m=k+cn 192=k+54c............................. (1) 150=k+14c. ........................... (2) subtract (1) from (2) 142=40c ...

**Math 10C**

Janet needs a rectangular piece of cardboard measuring 21 ft by 24 ft for a school project. a) What is the area of the cardboard in square feet? b) What is the area of the cardboard in square yards? Show your calculations in two different ways. c) The store charges $0.35/m2 ...

**math**

If a basketball player missed 41 free throws out of 100, what fraction and what percentage of free throws did the player make?

**math**

kitty is 4 years younger than mario three years from now she will be two thirds as older as mario .find their present ages

**Math**

What must be added to 40 to make 10 by powers of 2 ?

**Math**

The two triangle-shaped gardens are congruent. Find all of the missing side lengths and angle measures. Show any necessary work. (Triangle) • On the left, a triangle is shown with a lower horizontal side labeled 7.9 yards, a vertical right side labeled lower u, and a ...

**Math**

Which ordered pair would be plotted by starting from the origin and moving 0.25 units left and then 3 units up? A) (3, -0.25) B) (0.25, -3) C) (-0.25,-3) D) (-0.25, 3)

**Math**

A gymnasium is 50m long and 30m broad. A running track 2. 5m wide runs all around it on the inside. Find the area of the track?

**math**

The ratio of girls to boys in a school is 5:3. If there 60 boys, how many girls are in the school? I guessed it is 5+3=8.8/60

**math**

i have four digits i am more than 2500 i am less than 3000 my hundred digits id 6 my tens digit is one less than my hundreds digit my unit digit is 0 what number am i?

**math**

Hi can someone help me i am takeing a test i am in connexus adamaey i need help on my test

**math**

Two no which have same digit their sum is 9and difference is 27what will be the nos

**Math**

The sides of the rectangle are in the ratio of 4:7. If its length is 31.5 in., find the width, the perimeter, and the area of this rectangle.

**Math**

How many positive integers, not having the digit 1, can be formed if the product of all its digits is 33750. With solution pls:)

**business math**

A firm manufacture and markets a product that sells for Birr per unit .Fixed cost associated with activity total Birr 40,000 a month ,while variable cost per unit is Birr 10.A maximum of 10,000 units can be produced and sold

**math**

a family has 3 children the eldest is 8 years older than the middle child and the youngest is 12 years younger than the eldest child of the total of their age is 88 how old is each child?

**Math**

A tennis ball is hit into the air and can be modeled by h=16t*2++40t+3, where h is the height t is the time it takes the ball to travel. 1) At what time t does the ball reach its maximum height above the court? How high did the ball go? 2) How long did it take the ball to hit ...

**Math**

(i) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using trigonometric substitution. (ii) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using regular substitution. (iii) Use a right triangle to check that indeed both answers you obtained in parts (i) and (ii) are the same. I would really ...

**Math**

She needs to prepare 160 pounds of blended coffee beans selling for $3.69per pound. She plans to do this by blending together a high-quality bean costing $5.00 per pound and a cheaper bean at $2.00 per pound. To the nearest pound, find how much high-quality ...

**Math**

The result of reflecting across the line y = x and then rotating 330 degrees counterclockwise around the origin is an isometry T . Represent T by a 2 ⇥ 2 matrix. There is more than one way to do it. Use the point (1, 1) to check your answer. I know how to make the matrices ...

**Math**

Edwin runs 1/8 around a track in 2 minutes.he runs for 4 minutes. Then he walk for another 3/8 mile.how far does Edwin go around the track?

**Math**

Mrs.Walters drove 360 miles on 25 miles of gas. Mr.Walter drove 480 miles on 32 gallons of gas. find the mileage per gallon of each car.which variable getting the better mileage per gallon. Mrs Walters 360 / 25 mpg = 14 2/5 mpg Mr Walters 480 / 32 mpg = 15 mpg Mr. Walters car ...

**Math**

1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.(12:30) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.(30:45) D.(24/32) 3.what is the unit price for one CD...

**Math**

Which equation(s) represents a proportional relationship? A) y=7x² B) y=2+3x C) y=1/2x D) y=5-x B, C, D Which equation(s) represents a proportional relationship? A) 5+x B) y=4x C) 7x² D) 2-x A, B, D

**Math**

Using the correct number of significant figures, calculate the perimeter and volume of a small, rectangular mirror that is 4.040 in long, 1.707 in wide, and 0.078 in thick. Make sure to calculate the the perimeter of the front of the mirror, and not the side. Dimensions are ...

**Math**

If g(x)=x+3 h(x)=9-x^2, what is the maximum of h(g(x))?

**Math**

If cscØ = 4/3, find sinØ + sinØ cot^2 Ø

**Math**

If tan(-a)=-5, find cot a

**Math**

An open box is formed from a piece of cardboard 12 inches square by cutting equal squares out of the corners and turning up the sides. Find the volume of the largest box that can be made. Help!

**Math 2**

If your playing a game where you have 4 cards and you have to arrange them in to 2 digit numbers so they add up to a number near 100, and then you take the number you got and subtract it from 100, and then you play this game 7 times with 3 other people, and when you add up all...

**Math**

Find the critical points, and the points of inflection y= (x+1)^2/x Help me please!!!

**math**

touchdowns are six points per touchdown and an extra point can be awarded by making a field goal. Assuming that a team makes a field goal every time they score, write an equation to find "y" the total score for "x" amount of points.

**Math**

The formula for the volume of a cube is V equals S3 where X represents the side length of the cube find the volume of a cube with side length of 0.5 millimeters

**Math**

A car traveling at 25 mi/h accelerates to 48 mi/h over the first 5 seconds. It maintains that speed for the next 5 seconds, and then slows to a stop during the next 5 seconds. Connections answers please?

**Math**

Translate this sentence into an equation. 56 is the sum of 13 and Vanessa's height Use the variable v to represent Vanessa's height.

**math**

You find a sales receipt from a store that shows the total price as $40, and the total amount paid including sales tax as $42. a. Write an equation you can use to find the sales tax rate which is r. what is the equation so I tried all things I could think of but it doesn't ...

**Math**

The population of a city has been decreasing exponentially since 1990. In 1990, the population was 1,000,000. In 2010, the population was 560,000. If t represents time in years since 1990, which of the following equations best models the decay of the population? 1. y = 1,000,...

**PLLZ!PLLZ help with math quick!!!!!**

6.Suppose you have a drawer full of white, black, and yellow pairs of socks. If the probability of picking a white pair of socks is 4/9, and the probability of picking a black pair of socks is 7/18, what is the probability of picking a yellow pair of socks? a. 1/6 b 5/25 c 7/...

**Math**

3' x 4.5' quilt, 24 equal squares, i need to know the side length of one square, i need to show the equation to show my work.

**math PROBABILITY part 2**

6.Suppose you have a drawer full of white, black, and yellow pairs of socks. If the probability of picking a white pair of socks is 4/9, and the probability of picking a black pair of socks is 7/18, what is the probability of picking a yellow pair of socks? a. 1/6 b 5/25 c 7/...

**Math**

Does the function represent exponential growth or exponential decay. Identify the growth or decay factor. y=9 x (1/2) I'm not sure how to make the chart to show the decay.

**Math**

the speed of sound is approximately 1.2 x 10^3km/h how long does it take for sound to travel 7.2 x 10^2km. answer in minutes

**math**

644 students packed a school's auditorium for a assembly. students sat in 12 rows. Rows were divided into 8 sections.

**math help quick please**

solve {y=x-7 {5x+2y=7 Use the substitution method. A.(0, −7) B.(7, 0) C.(3, −4) D.(−1, −8)

**Math**

alex is painting the side of his school. he paints a wall that has an area of 41 1/3 square yards. he uses 1 1/3 gallons of orange paint. what is alex's rate of paint coverage in square yards per gallon?

**math**

a photograph has an area of 80sq inches.the length of the photo is 1 1/4 width. what is the following dimension of the photgraph?

**Math**

If two fair dice are rolled, what is the probability that a total showing is either even or less than eight? Thanks for your help

**Math PROBABILITY part 1**

Anna mixes the letters S, E, L, E, C, T, E, and D thoroughly. Without looking, Mary draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that E will NOT be the letter Mary selects? A. 3/8, 0.375, 37.5% B. 8/5, 1.6, 16% C. 5/8, 0.625, 62.5...

**math**

Convert the scale to a unit rate. 3/8 in = 3/4 yd

**math plzzz help quick**

What is the y-coordinate of the solution of the system of equations? {y=2x+14 {-4x-y=4 Enter your answer in the box. y =

**math**

three times a certain number is not greater than 54, find the range of values of the number

**math**

The radius of a circle is 17 feet. Using the formula A = r2, what is the area of the circle? Use 3.14 for pi.

**math plzzz help quick**

What is the y-coordinate of the solution for the system of equations? {x-y=-11 {y+7=-2x Enter your answer in the box. y =

**Math**

How many lines of semmetry are found in the following figure The figure is a rectangle

**More math**

determine wich ration forms a proportion with 20/24 by writing the ratio in simplest form

**Please help (MATH)**

If two fair dice are rolled, what is the probability that a total showing is either even or less than eight? How would I solve this question? What are the steps? Thanks

**MATH**

The odds in favor of Carl beating his friend in a round of golf are 7 : 4. Find the probability that Carl will lose. would the answer be 7/11?

**Math Ms. Sue**

population density is the number of people per unit area what is the population density of a state that has 1329192 people in 35385 square miles round to the nearest hole number

**Math**

Decide if the following pair of functions are of the same order. The functions f(x) and g(x) are of the same order if f(x) is O(g(x)) and f(x) is Ω(g(x). (a) f(x) = x^2 - 7 and g(x) = x^2 + 7