# Math

## Recent Questions

**math**

Find the value of 119 square -111 square

**Math**

Insert grouping symbols to make 6+4x0=6

**Math**

after a fraction is increased by 1/4 of its value, the result is 3 1/3. What is the original fraction.

**Math**

There are 340 children at a park. 2/5 of the boys is equal to 4/7 of the girls. how many girls and how many boys are there at the park?

**Math**

Between 2000 and 3000

**math**

2x-3y=6 , -3x+5y=0 find solution set by cross multiplication

**Math**

Ronnel spent 1/5 of his money to buy food. He then spent 1/4 of the remaining money to buy magazine. If he had ₱360.00 left in his wallet, how much money did he have at first?

**Math**

Ari runs a training school for pet actors. Last year he trained 3 times as many dogs as cats. if the total number of dogs and cats he trained last year is 84, how many cats did he train?

**Math**

A crate has 5 times as many apples as oranges. If there are 120 pieces of fruit in the crate, and there are only apples and oranges in the crate, then how many oranges are there?

**Math**

I have a question; What is the probability that a selected letter from the alphabet of 26 letters is selected at random is "either a consonant OR a vowel"? This was my working out; 21/26 + 5/26 = 1 Is this correct?

**math**

A bank wonders whether omitting the annual credit card fee for customers who charge ar least $3000 in a year will increase the amount charged on its cards. The bank makes this offer to an SRS of 400 of its customers. It then compares how much these customers charge this year ...

**math**

A card is selected from a deck. Find the following probabilities. A standard deck of cards has 52 Cards. There are 13 values and 4 suits. Suits are Spades, Clubs, Diamonds and Hearts. Each suit has 13 cards. There are 3 face cards Jack, Queen, and King. a red card = 26/52 = 1/...

**Math**

The sum of the numerator and denominator of a fraction is 3 less than twice the denomiator.If the numerator and denomiator are decreased by 1,the numerator becomes half the denominator. Determine the fraction

**math**

Kathy went shopping with a certain amount of money. She spent 1/4 of it on shoes, 1/5 of it on lunch and 78 of it on cloths. She had 21 left. How much money did she have at first.

**Math**

If m∠FCG = 9x + 3 and m∠GCB = 13x – 9, find m∠GCB

**Math**

If three teachers can grade 40 tests in 3 hours, how many hours will it take 12 teachers to grade 480 tests?

**Math**

Which is the largest 6 digit odd number without the repitition of the digits

**Math**

Can any body please explain A dejuicer was able to squeeze 1/5 of a pint of juice from a bag of oranges. This amount of juice filled up 1/8 of a jug. At this rate, how many bags will it take to fill the entire jug?

**Math**

What is smallest 3 digit number using 1,0,6,2,9,7, with digits repeated and without digits repeated?

**math**

i am a 3 digit number. my ones is one more than my tens. my tens digit is 0. my hundreds is 4 more than my ones. what number am i?

**math**

Answer to this questions Please *Question 8* A clock strikes once at 1 o’clock (am or pm), twice at 2 o’clock (am or pm), thrice at 3 o’clock (am or pm) and so on. How many times will it strike in 24 hours? Select one: 1. 78 2. 136 3. 156 4. 196

**math**

The probability that an airplane engine will fail in a transcontinental flight is 0.004. Assuming that engine failures are independent of each other, what is the probability that on a certain transcontinental flight, a four-engine plane will experience: (c) More than two ...

**math**

Suppose X is a random variable with mean μ and standard deviation σ. If a large number of trials is observed, at least what percentage of these values is expected to lie between μ − 3σ and μ + 3σ? (Round your answer to the nearest whole number.)

**math**

Let X be a normal random variable with μ = 12 and σ = 2. Find the value of the given probability. (Round your answer to four decimal places.) P(7 < X < 9) =

**MATH**

From experience, the manager of Kramer's Book Mart knows that 50% of the people who are browsing in the store will make a purchase. What is the probability that among ten people who are browsing in the store, at least two will make a purchase? (Round your answer to four ...

**math**

find the next number in the following sequence; 1/2,2/3,3/5,5/8, _ *please i need your assistance guys for this question* My idea is as follows denominator part for the given fraction =1+2 =3 then 2+3 =5, 3+5=8,therefore the next denominator part = 5+8 =13 hence the answ. 8/13...

**math**

If a+b = 8, b+c = -3, and a+c = -5, what is the value of the product abc?

**Math**

Find the largest number of 4 digits which is exactly divisible by 18 25 and 35

**math**

A theatre has 11 rows of seats which have 1 to 10 series. Unmatched numbers have 15 seats and 16 seats have matched numbers . How many sets are there in theatre?

**Math**

If the difference of two consecutive numbers is 15 and the greater of them is X then the smaller number is

**math**

The ten lakhs place is 1 less than the thousands place

**Math**

There are 16 plants in Allison's garden.Of these, 2/8 are tomato plants. How many tomato plants are in Allison 's garden?

**math**

Consider the two inequalities 3x + 2y ≥ 4 9x + 8y ≤ 14 2y ≥ -3x + 4 2y/2 ≥ -3x/2 + 4/2 y ≥ -3x/2 + 4/2 y ≥ -3x/2 + 2 slope -3/2 y- intercept 2 The black line is y ≥ -3x/2 + 2 8y ≤ -9x + 14 8y/8 ≤ - 9x/8 + 14/8 y ≤ -9x/8 + 14/8 y ≤ - 9x/8 + 7/4 slope -9/8 ...

**Math**

Find domain of tanx/tan3x

**math**

let line A be the graph of the equation x+7y = 3 and let line B be given by the equation 2x + 15y = 6. Use an augmented matrix to determine if the two lines meet and if so at which point. Graph the two lines and indicate their meeting point if it exists. x+7y=3 7y=-x+3 y= -x/7...

**Math**

How do you solve this equation in numbers five times the diffrence of twice a number and three decreased by the sum of the number and eight equals 13

**Math**

There are two cubes. Their lengths are in the ratio 3:4, what is the simplified ratio between their volumes?

**Math**

There are two squares. Their lengths at the ratio 2:3, what is the simplified ratio between their areas?

**Math**

If tank A has 5 litres of water more than tank B. How much more water tank A have more than tank C

**Math**

If tank A has 5 litres of water more than tank B. How much more water tank A have more than tank C

**Business Math**

Nancy would like to accumulate $10,000 by the end of 3 years from now to buy a used car from her friend,Jin. She has $2,500 now and would like to save equal annual end of year deposits to pay for the car. Calculate how much should she deposit at the end of each year in an ...

**Math**

If tank A has 5 litres of water more than tank B. How much more water tank A have more than tank C

**math**

let line A be the graph of the equation x+7y = 3 and let line B be given by the equation 2x + 15y = 6. Use an augmented matrix to determine if the two lines meet and if so at which point. Graph the two lines and indicate their meeting point if it exists.

**math**

analysis of another rock shows that it contains 60% of its original element; the other 40% decayed into lead. How old is the rock ?

**math**

Macy's Department Stores markup men's cologne 63% on cost for an 8-ounce bottle. A bottle of cologne costs Macy's $23.00. What is the selling price for the 8-ounce bottle? $31.51

**math**

2x is a perfect square, 3x a perfect cube, and 5x a perfect 5th power. Find the sum of the exponents in the prime factorization of the smallest such positive integer x. Thank you.

**math**

Brett made a quilt for his cousin's doll. The quilt had a 6 × 6 array of different color square patches. If each patch is 2 1 4 in long, what is the area of the whole quilt?

**math**

The rate of increase of bacteria in a culture is proportional to the number of bacteria present .if the original number of bacteria double in the two hours, in how many hours will it be five times?

**math**

Find HCF of the smallest prime number and smallest composite number

**business math**

Shantel and Kwamie are planning to buy their first home. Although they are excited about the prospect of being homeowners, they are also a little frightened. A mortgage payment for the next 30 years sounds like a huge commitment. They visited a few new developments and scanned...

**math**

Two simmers are swimming in a lake. Swimmer A starts swimming at a speed of 1m/sec towards the shore from a distance of 30 m. Swimmer B starts swimming towards the shore from 10m behind swimmer A but he swims at 1.5m/sec. Which swimmer will arrive at the shore ﬁrst ?

**Math**

When Maggie goes on birding watching trips, she sees at least 45 birds. She has taken 12 birds watching trips a year over the past 16 years. Hoe many birds has Maggie seen? Fill in the blanks: 12 X 16 = 192 192 X 45= 192 X ( ___ + ___) =(192 X ___) + (192 X ___) + (192 X ___...

**math**

a company's monthly sales, in thousands, is given by s(x,y)=9x^.8y^.5. where x is the amount spent on newspaper advertising per month in thousands of dollars and y is the amount spent on radio advertising per month in thousands of dollars. Suppose the comany currently spends $...

**math**

the clock face in a famous clock tower has a radius of about 4 meters what is the area of the clock face to the nearest

**math**

square root of c^2

**math**

16 persons need 56 kg of rice in 1 week. How much rice will be needed by 24 persons in four weeks? ^please anyone over here ryt now may you help me to arrive to the final answer^ 24×(56/16)× 4 math - kelvin today at 2:22pm i had the this idea but i shocked when i saw the ...

**math**

How many minutes are there between 11:40 night and 8:10 morning? please help me out

**math**

A number round off to 4000. The digit in the hundreds place is twice the digit in the tens place. The sum of the digits is 12. The numbers uses only two different digits. Find the number.

**Math**

When Maggie goes on birding watching trips, she sees at least 45 birds. She has taken 12 bird watching trips a year over the past 16 years. How many birds has Maggie seen? Write the missing numbers: 12*16 = 192 192* 45 = 192 x (____ + ____) = (192 X____)+(192 X ____)+(192X ___...

**Math**

When Maggie goes on birding watching trips, she sees at least 45 birds. She has taken 12 bird watching trips a year over the past 16 years. How many birds has Maggie seen?

**Math**

If the places of the last two digits of a three digit number are interchanged,a new number greater than the original number by 45 is obtained.what is the difference between the last two digits?

**math**

16 persons need 56 kg of rice in 1 week. How much rice will be needed by 24 persons in four weeks? ^please anyone over here ryt now may you help me to arrive to the final answe^

**math**

from a 12 metres long piece of cloth a shopkeeper cuts pieces 3/4 metre long how many pieces will he get

**Math - Calc 2/Algebra**

I'm trying to find the partial fraction decomposition of: 10x^2+2x-2/x^2(x+1) I already found B=-2 and C=6 Plugging in the numbers, I get: 10x^2+2x-2=Ax(x+1)+(-2)(x+1)+(6)x^2 How do I solve this for A? Maybe this is just some algebra that I'm rusty on. But I'm having trouble ...

**Math - Calc 2**

How would you go about integrating x^2/sqrt(4-x^2)?

**Math**

Sum of two integers is -278 of one of the integers is -156,find the other.

**math**

A pail holds 2 3/4 gallons of water. How much is this in cups?

**math**

This is about ellipses: If a problem gives you two foci points and the length of a spring, how do you find the equation and the vertices of the ellipse?

**math**

Three boxes, first box has 12 pens for $25, second box has 50 pens for X cost and the third one has 100 pens for $175 . the cost for pens decreases as increase the number of pens . what the cost for the second box?

**math**

Find the value of 8.3x 24.2x0.03. Round your answer to the nearest hundredth.

**College Math**

Draw a venn Diagram to illustrate the education level of Smokers Non Smokers and people who never smoked. Use the table below Education Smokers Former Never Total College Degree 12 9 41 62 H.S. Grad 9 10 22 41 Did not grad 9 3 4 16 Total 20 22 67 119

**Math**

Keria had a box of 58 stickers. She shared them equally between herself and five friends. How many stickers were left over?

**Math**

Make the number which comes between 4999 and 5050

**Math**

Make the number which comes between 4999 and 5050

**Math**

The probability that Owen will score a goal in the next month is 0.4. The probability that Wasim will score a goal in the next month is 0.25. What's the probability that both boys will score and why?

**math**

greatest number of 30000

**Math**

As seismological station is located at (0,-4) 4 kilometers away from a straight shoreline where the x-axis runs through. The epicenter of the earthquake was determine to be 10 kilometers away from the station. a. Find the equation of the curve that contains the possible ...

**Math**

in a group of people 60% like chocolate and 70% like strawberry then percantage of peole which like both strawberry and chocolate

**math**

my mother divided 5 metres of ribbon into 8 equal piece . what is the length of each piece

**math**

Asha deposited sh. 280,000 into the bank.After 4 years her savings reached sh. 386,400.Find the amount of interest per year paid by the bank. #Please i need your help guys #

**Math (Calculus Optimization)**

An oil field contains 8 wells, which produce a total of 1600 barrels of oil per day. For each additional well that is drilled, the average production per well decreases by 10 barrels per day. How many additional wells should be drilled to obtain the maximum amount of oil per ...

**math**

If Ryan has $1127 left after spending 1/5 of his monthly salary for rent and 1/7 of his monthly salary for his utility bill, what was his monthly salary?

**Quadratic Equation (math)**

-10x^2 + 7x - 1 = 0 Use factoring to solve

**Math**

A set of wrenches with metric unit sizes consists of those listed in the next chart. Convert each size to a corresponding U.S. customary unit wrench. In each case, find a U.S. customary size rounded to the nearest 1/32 of an inch.

**Math lit,History,Business studies,life science**

What career should i go for that is really good with these subjects

**math**

the roots of x^3-3x^2-16c+48=0 , given that the sum of two roots is zero is

**Math**

What is a five-digit number,which when rounded off to the nearest ten thousands,nearest thousands, nearest hundreds,and nearest tens still has the same answer.

**Math**

Find the sum of an A.P of seventeen terms whose middle term is five .

**Math**

i am a 6 digit number 8 ones, 5 hundreds 2 thousands, 19 ten thousands. What is the answer?

**math**

A lamp shade is in the form of a frustrum of a cone the button ra duis is thrice the top raduis and the height is 14cm the volume of the lamp shade is 763cm find the button of the raduis , the area of the clothes to cover the lamp shade

**Math**

A basketball team played 25 games. They won 7 more than they lost. How many did they win?

**Math**

A man sails with his boat starting (x) kilometer away from the main station due north. After 3 km of sailing, he follows an arc path. When he is somewhere in between North and the West Point at P(4,yp), the engine suddenly stops. With the help of his navigational tool, he ...

**math**

how many different 5 player teams can be chosen from eight players? What formula do I use to solve this?

**math**

a ladder 26m long leans against a wall. The top of the ladder from the ground is 24m. What is the length of the base resting on the level ground from the wall

**math**

In the x y − xy− plane, the center of a circle has coordinates ( 6 , 10 ) (6,10) and the circle touches the y − y− axis at one point only. What is the radius of the circle

**math**

A water through is to be constructed so that its cross-section is trapezium PQRS in which PQ=RS=6cm, QR=14cm and <SPQ=<PSR=x. (a).Show that the area of trapezium is given as 84sinx+18sin2x (b).Determine its perimeter in terms of cosx

**math**

In a past presidential election, it was estimated that the probability that the Republican candidate would be elected was 1/3, and therefore the probability that the Democratic candidate would be elected was 2/3 (the two Independent candidates were given no chance of being ...

**math**

A student studying for a vocabulary test knows the meanings of 12 words from a list of 26 words. If the test contains 10 words from the study list, what is the probability that at least 8 of the words on the test are words that the student knows? (Round your answer to three ...

**English**

1. He would have opened the door. 2. He would have solved the math problem. 3. He would have met the person. 4. He might have opened the door. ---------------------------------------- From #1 to #3, actually he didn't do that. Right? Does #1 mean #4 sometimes? Is #1 ...

**math**

find six rational number b/w3/8and-1/2