# Math

## Branches of Math

## Recent Math Questions

**Math**

The perimeter of an isosceles trapezium is 134 cm and the bases are 54 cm and 30 cm in length.find the length of nonparallel sides of the trapezium and its area.

**Veterinary Medicine Math calculations**

I was so thankful to see this exact question answered in a different way but I still don't understand how I'm suppose to know how or what to do on the following question. I just seem to always forget something. Fifty milliliters of a solution of 50% dextrose is added to a ...

**Math**

Suppose the P(A) = 1/6 . Find the odds in favor of A . Would you explain the step by step process? thanks!

**Math**

write a ratio for both ecuations in three ways comparing the first quantity to the second quantity 1.a zoo has 17 monkeys and 12 chimpanzees 2.in greenvile about 1 in every 8 homes has three computers

**math**

6. There is an animal at the Toledo Zoo that needs to be transported to the Cincinnati Zoo. The distance between the two cities on the map is 12.2 cm. Using the scale on the map below, how many miles apart are the two cities? Make sure you label your answer. *

**math**

5. The Wright Brothers are credited for the birth of aviation. There is a museum dedicated to them in Dayton. If you live in Mansfield, this museum is 8.1 cm away using the map. Using the scale on the map below, how many miles apart are the two cities Make sure you label your ...

**math**

1. Did you know Chillicothe was once the capital of Ohio? The distance from Chillicothe to the current capital, Columbus, is 48 miles. Using the scale on the map below, how many centimeters apart are the two cities? Make sure you label your answer.

**Math**

In a distribution, Q.D= 15 and co-efficient of Q.D=0.3 75% of the observation are less than? a)67 b)65 c)78 d)75

**Math**

If 6 out of 36 students were absent, what percent were present?

**MAth**

A biologist wants to estimate the number of fish living in a lake. She caught 106 fish, tagged each one, and then released them back into the lake. After a few days, she caught 227 fish, and found that 11 of them were tagged. Use a proportion to estimate the number of fish ...

**Math**

A jug has 400 mL of 1/2 strength orange juice. The following amounts of full-strength juice are added to the mix. Find a fraction to describe the strength of the orange drink after the full-strength juice is added a) 100 mL I don't get what this question is trying to ask for.

**math**

Can someone help explain the sequence of this pattern? Thanks. 1/3 , 5/6 , 4/3

**math**

by working 8 hour a day 13 farmers can plough a field in day 15 day . in how many day will 26 farmer plough the same field if they work 10 hours a day

**Math**

there are 10 questions in a quiz competition 5 marks will be given for each Correct answer 3 marks will deducted for each wrong answer or no response m be the number answers and s be the obtained .write down the formula for calculating the marks obtained

**math**

What is the loop that forms after many iterations when the initial value of g is 1.7? What is the loop that forms after many iterations when the initial value of g is 1.72?

**Math**

A frog was at the bottom of a 12-meter hole. Each day it climbed up 3 meters but always slid back 2 meters. How many days will take the frog to get out of the hole?

**Math:Integers**

The sum of two integers is zero. the difference of the same two integers is 12. What are the two integers?

**math**

which of the following can represent the measure of the three angles in an acute triangle A)59,61,62 B)30,25,125 C)56,72,52, D)90,45,45

**Math**

The mean of five numbers is 20. Four of the numbers are 24,19,25, and 22. What is the fifth number? PLZ HELP ME BEFORE SCHOOL STARTS.show me how to get the answer

**Math**

Divide into intervals and evaluate to find the max/min. f(x)= -(x-1)^2(x+4) I pick -2 -(-2-1)^2(-2+4)=-18 Is that the correct answer

**Math**

f(x)=1/2(x^2-2x+15) I did the quadratic formula and my answer is 2 plus or minus i square root 8/2. Could someone check my answer please

**Math**

Sketch the graph of the following polynomial. (Label all x intercepts, y intercepts, maxima, minima, and identify the range and domain.) f(x)= 1/2( x^2-2x+15)

**Math**

I have worked and reworked this problem, but I cannot seem to figure it out. Can anyone help? Jeffries & Sons is borrowing $95,000 for four years at an APR of 7.05 percent. The principal is to be repaid in equal annual payments over the life of the loan with interest paid ...

**math**

In a bag there are 3 green apples,5 yellow apples,7 green pears and 2 yellow pears,Simon randomly is taking fruit out of the bag by one by one. How many fruits must he take out in order to be certain that he has at least one apple and one pear of the same color?

**math**

Juanita wants to gives bags of stickers to her friends.She wants to give the same number of stickers to each friend. She is not sure if she needs 4 bags or 6 bags of stickers .How many stickers could she buy so there are no stickers left over?

**Math**

A store owner bought some flower pots for $1,200.the flower pots were sold for $2,700,with a profit of $30 per pot.how many flower pots did she sell?

**Math**

The number has four digits. It is greater then 11,but less then 12. The sum of the four digits is 13. The digit in the hundreds place is 6. What is the number

**Math**

On a rainy day,20% of the 55 pupils in a class were absent.How many pupils were present on that day?

**math**

Katie invested a total of $6000 , part at 3 % simple interest and part at 4 % simple interest. At the end of 1 year, the investments had earned $214 interest. How much was invested at each rate?

**Math**

write an equivalent equation that does not contain fractions then solve the equation 2/3x + 1 = 1/2

**math**

Oceanographers use a quantity known as shoreline development to describe and categorize bodies of water. Shoreline development, D, measures how closely a body of water resembles a circle. Its formula is: where L is the shoreline length and A is the area of the body of water. ...

**math**

If A is 120% more than B, by what percentage is B less than A?

**math (precalc)**

let F(x)=x-1/3x find f(a+h)-f(a)/h sorry if this is difficult to understand.

**math**

Laura inherits $30,000 and decides to invest part of it in an education account for her daughter and the rest in a 10-year CD. If the amount she puts in the education account is $5,000 more than twice the amount she puts in the CD, how much money does Laura invest in each ...

**Math**

Prove that limit(z -> z_0) z^2 = z_0^2 I must show that for any positive number E that there exists a positive number delta so that whenever this is true: 0 < |z - z_0| < delta then this is true: |z^2 - z_0^2| < E

**Math**

Suppose you want to install carpet in a hexagon room whose sides are all 15 ft long. Carpet costs $48 per sq yd and comes in rectangular rolls that are 12 ft by 90 ft. (Sold by the whole sq yd) How will you lay the carpet? Where will the seams be? How many pieces will you need...

**Math**

I have 100 bucks to buy 100 fruits. The fruits which I need to buy are- mango; which is 20 piece for 1 buck, lichi; which is 1 piece for 1 bucks and coconut; which is 1 piece for 5 bucks. How many each of those fruits do I have to buy to get this result-100 fruits for 100 bucks?

**Math**

I have 100 bucks to buy 100 fruits. The fruits which I need to buy are- mango; which is 20 piece for 1 buck, lichi; which is 1 piece for 1 buchan and coconut; which is 1 piece for 5 bucks. How many each of6the fruits do I have to buy to get this result-100 fruits for 100 bucks?

**Math**

Rahul spent half the money he had on a notebook and half of that amount on a pen.He is now left with RS10. How much money did he have initially?

**Math**

K: 1) simplify: 1 - 1/2 + 1/4 - 1/8 + 1/16 - 1/32 2) Simplify: (1/2 - 1) - (1/3 - 1) + (1/4 -1) 3) In the proportion x^2 : 27 = 9 : x^3, what is x? 4) Between what two consecutive integers does cube root of -100 lie? 5) What is the area of a rectangle whose sides are thrice as...

**math**

the diameter of a roller is 70 cm and its length 1.12m. find the area of a playground, if it takes 250 complete revolutions to move once over the playground to level it.

**math**

Let f be the invertible linear transformation represented by the matrix A = (-2 -3 2 -3) Find in terms of x and y the equation of the image f(C) and of the unit circle C

**math**

A particle, which remains at rest, is acted on by three forces F, G, and H. The force F has magnitude 6N and is directed to the right and up, making an angle of 20' with the vertical. The force G has magnitude 15N and is directed to the right and down, making an angle of 55' ...

**math**

If John was five years older he would be exactly one-third the age of James. If John was three years younger he would be exactly one-sixth the age of James. How old is James? Just need help with the equation, thanks.

**Math**

Find the area of cardboard wasted if a sector of maximum possible side is cut out from a square cardboard of size 24cm.

**Math**

The length of a picture is 15cm more than its width. The picture frame has a width of 4cm. What is the minimum length of material needed to make the frame for this picture? *I am not good a Maths at all and even though i've tried to get help, I just dont seem to get it; its ...

**Math**

My numerator is 2 less than my denominator I am more than 1/2 what fraction can i be?

**Math**

Three boys and three girls all celebrate their birthday today, but they are each different ages. The youngest is 1 years old. The sum of the ages of the three girls is the same as the sum of the ages of the three boys. What is the smallest possible total of all six ages?

**Math**

Using suffix notation and the summation convention, prove that u.del*u= w x u+ del(1/2q^2) where w= del x u and q= /u/?

**Math**

I am struggling with how to start this problem. The following points are on the graph of: y=f(x) Use theorem to identify the corresponding points on the transformed functions. y = 2f(x-3)-2

**math**

You are going to build a glass box. The length of the box is 8 inches more than the width and the height is half the length. The length of the wire to make the frame is 108 inches. 1.What are the dimensions of the box? 2.All six faces of the box will be panes of glass. What is...

**Math - Factoring Trinomials**

I need help factoring 2y^2-2y-24. The answer I got was 2(y+3)(y+3). However the correct answer is 2(y+3)(y-4).

**math**

a man picks 6 pounds of pecans. he used 1/3 pecans in a pie recipe. he puts the pecans that are left in 1/4 pound bags. how many bags of pecans does he have

**math**

On December 10, 1999, Apple Computers' stock was valued at $615 billion; Microsoft's stock was valued in that quarter at $271 billion. How much more value is Apple's stock at its peak over Microsoft?

**math**

A window in a building is 15.0m above the ground. From this window the angle of elevation to the top of the second building is 32degrees and the angle of depression to the bottom of the second building is 17degrees. What is the height of the second building? -diagram needed ...

**Math**

-9 times the difference between a number and 63 is equal to the number plus -49 unknown is x . Is this write? -9(x-63)=x+(-49)

**Math**

What number should be added to -50 to get a sum of 95?Write out the equation.X is the unknown.

**Math**

I'm struggling with factoring these two questions. 36x^4 - 3x^3 - 18x^2 9x^2 + 3xy - 2y^2

**Math**

PLZ ANSWER: The plan of a park is at a scale of 1:5000. Calculate the actual distance between two points if the distance between two points on the map is: a)2 cm (How many meters?) b)2.8 cm (Give answer in meters) c) 7cm (Meters)

**MATH HELPO!!!**

Convert the map scale to a unit rate. How many inches represent one mile? Show your work. Interpret the meaning of the unit rate. 3/10 in. = 7/8 mi no map just need someone to solve this unit rate FASTLY

**Math (Tensor Notation)**

Using suffix notation and the summation convention prove that u.del(u)= w x u + del(1/2q^2) where w= del x u and q=/u/

**math**

??point? divided by 8 equals ?point??? pls give two or three examples thank you:D

**math**

how to change fraction 1.20/.80 into percentage?

**math**

The enrollment at a university increased from 9,000 students to 12,500 students over a period of 5 years. What is the percent increase in enrollment?

**math**

The height of a right circular cone is decreased by 6 percent. Find the percentage that the radius of the base must be decreased by so that the volume decreases by 20 percent. Recall that the formula for the volume of a right circular cone is V = πr2h 3

**math**

If the length of the base of a triangle is increased by 10 percent and the height is decreased by 20 percent, what is the percent change (increase or decrease) in the area of the triangle?

**math**

If the denominator of a fraction decreases by 20 percent, and the numerator increases by 20 percent, by what percentage does the value of the fraction change?

**math**

PQRS is a cyclic quadrilateral. Then find the value of x

**math**

what is the volume of a rectangular prism with a length of 11 meters, width of 26 meters, and height of 38

**math**

Fido weighs 26 pounds more than Fifi. Fifi weighs 12 pounds less than Rover. If the sum of their weights is 71, how much does Fifi weigh?

**Math**

If the angle of elevation of a tower from two points at distance a and b where a is greater than b from its foot and in the same straight line from it are 30degree and 60degree ,find the height of the tower

**Math**

How to solve | x + 1 | << 3 graphically? Ty

**Math**

Is there a formula/method for finding a vertical line that divides a trapezoid into 2 parts with equal areas when all the vertices are known?

**Math**

Find 2 numbers whose arithmetic mean exceeds their geometric mean by 2and whose harmonic mean is 1/5 of the larger number

**Math**

Find the range of each function over the given domain. A) y=x^2 for 0 << x << 3

**Math**

Given the sequence 4;-2 ; 1 find the next two term. 4;-2;1;-3;-1

**math**

After a drought, the Great Salt Lake in Utah covered an area of 2450 kilometers squared or 35/64 the area of the lake under normal weather conditions. Find the area of Great Salt Lake under normal weather conditions.

**Math : ratio and proportion**

if a scooter requires 2 litres of petrol to cover 80 kilometre then how many litres of petrol does it require to cover 1 kilometre?

**Math**

Frank has $20 less than Tracy. John has twice as much as Frank. Patty has three times as much as John. Together they have $340. How much does each person have?

**Math - fractions**

Name 4 fractions between 1/2 and 5/7

**Math**

The radius of the larger circle is 9cm. The diameter of the smaller circle is 11cm. Find the area of the shaded region The shaded area is between the larger circle and smaller circle . It is concentric The area of the larger circle is 81Ï€. The smaller circle has area 121...

**Math**

A pencil costs $3.50 and a pen costs $6.70. Jessica bought m pens. She also bought 4 fewer pencils than pens. Write an algebraic expression for the total amount she spent. The answer supposed to be 6.70m + 3.5 (m-4). I got confused of what to do

**Math**

A colony of bees doubles in population every 5 weeks.hpw long does it take for the population to triple ?

**math**

Ali is planning to keep fit through practicing push-ups for 21 days. on the first day, he can only do 14 push-ups in a minute. He plans to do x more push-ups in a minute on the next day. How many push-ups can he do in a minute on 11th days? (in term of x)

**math**

(3+1/2)x14 is it 49

**math**

1/3 of 2 feet = inches

**math**

what is the sum of two missing digits in this addition: -3x + 17 =(-x8)

**Math**

Meghan and Sabrina compared the amount of interest they each earned on their savings accounts. Each had deposited $1000, but Meghan earned $140 interest and Sabrina earned $157.50. Whose savings account had a higher interest rate? Explain.

**Math**

which equation can be used to find the measure of an angle that is supplementary to angle EGB

**Math**

Nick borrowed $7150, to be repaired at an annual simple interest rate of 6.25%. How much interest will be due after 5 years? How much will Nick have to repay?

**math**

Find two fractions in lowest terms with unequal denominators whose difference is 2/13?

**math**

Please does anyone have ANSWERS for the UNIT 7 LESSON 8 SYSTEMS OF EQUATIONS AND INEQUALITIES? FWI: It's Algebra 1 NOT PRE algebra please if I fail I'll get an F!!!!!!!

**Math**

Daniel made a chocolate pie, a cream pie, and an apple pie that were the same size and shape for a celebration. After the celebration the following amounts of pie were remaining: 5/8 of chocolate 1/6 of cream pie 1/4 of apple pie What fraction of a whole pie is remaining?

**math**

suppose your friends parents invest 20,000 in an account paying 7% compounded annually what will the balance be after 6 years

**Math**

An item is regularly priced at $65 . It is on sale for 80% off the regular price. How much (in dollars) is discounted from the regular price?

**math**

There are 30 students in the class. There are 4 more boys than girls in the class. What do I do to solve this? The ratio is 4:1? Then what do with the 30? I am very confused.

**Math**

How many boxes will cover a 9 ft.by 12ft.,20 tiles to a box tile is 12x12 inches

**Math help PLEASE!!!!**

1. David drew triangle PQR as shown: If LQPR measures 135 degree, which statement is true for LPQR and LPRQ?

**Math**

A) estimate 49 of 162. B) use mental math to calculate 49 of 162

**Math**

The sum of two numbers is 45. The difference between the numbers is 37. What is the value of the 2 number?