All Questions ⁺⁰188479 Questions

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27

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proportion

It is given that x varies directly as y and inversly as the square of z, and that x = 10 when y = 4 and z =14. What is x when y = 16 and z = 7?

Guest Feb 23, 2021

+2

41

2

+172

Help Asap. Thanks.

The side lengths of a right triangle measure , and units where . What is the value of ? Express your answer as a common fraction.

calvinbun Feb 23, 2021

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30

5

can anyone help thanks

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Guest Feb 23, 2021

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38

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problem on exponents

If $ 60^{\dfrac{1}{a}} = 3$, $60^{\dfrac{1}{b}} = 10$ and $ 60^{\dfrac{1}{c}} = 120$.
Calculate \[ \dfrac{bc + ac + ab}{abc}\]

Guest Feb 23, 2021

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34

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algebra problem

George can walk at $ x$ miles per hour and he can rollerblade at $ x + 3$ miles per hour. He goes to the library walking with his rollerblades in his backpack and it takes him 15 minutes and when he comes home rollerblading along the same route, it takes read more ..

Guest Feb 23, 2021

Feb 22, 2021

+2

35

2

+172

Help. Thank you.

If is a polynomial of degree 4, and is a polynomial of degree 2, then what is the degree of polynomial ?

calvinbun Feb 22, 2021

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33

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polynomial

Let p(x) be a monic polynomial of degree 6 such that p(2^n) = n for n = 0, 1, 2, ..., 6. Find p(0).

Guest Feb 22, 2021

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38

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lcm

What is the sum of the smallest 3 common multiples of 12 and 15?

Guest Feb 22, 2021

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36

2

rhombus

Find the area of a rhombus with diagonals 6 and 8. Find the length of each side.

Guest Feb 22, 2021

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31

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circles :/

The smaller circle in the diagram is internally tangent to the larger circle. The area of the gray region is $100\pi$ square units. The perimeter of the gray region (include both inner and outer boundaries) is $100\pi$ units. What is the distance in units read more ..

Guest Feb 22, 2021

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30

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algebra

Ernie can paint a house in just 2 hours. Izzy can paint a house in 5 hours (because she takes breaks to read and sip lemonade ). Working together, how long will it take them to paint 2 houses?

Guest Feb 22, 2021

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24

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algebra

If x + 1/x = 3, then find x^4 + 1/x^4.

Guest Feb 22, 2021

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26

1

| Graphing Circles Problem | Please Help! |

Please help me with this problem!!

There are ordered pairs of integers that satisfy . What is the greatest possible sum ?
read more ..

Guest Feb 22, 2021

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36

2

pls help

Find the length of the third side. If necessary, round to the nearest tenth.

Guest Feb 22, 2021

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23

2

Prealgerbra

In the diagram, the rectangle has a width w, a length of 8, and a perimeter of 24 . What is the ratio of its width to its length? Write your answer in the form x:y, where x and y are relatively prime positive integers. read more ..

Guest Feb 22, 2021

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27

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fine then...

Assuming that p and q are nonzero, simplify

Guest Feb 22, 2021

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29

0

help???

one question per post thanks

Guest Feb 22, 2021

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31

1

+8

Simplify this pls tan(t)csc(t)

Simplify tan(t)csc(t) to to a single trig function or constant with no fractions pls?

ExoMode Feb 22, 2021

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35

1

please help

The hypotenuse of a right triangle measures 14 cm and one of its legs measures 3 cm. Find the measurement of the other leg. If necessary, round to the nearest tenth.

read more ..

Guest Feb 22, 2021

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39

1

geometric series

A woman labels the squares of a very large chessboard 1 through 64. On each square k, the woman puts 2^k grains of rice. How many more grains of rice are placed on the 10th square than on the first 9 squares combined?

Guest Feb 22, 2021

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30

1

+8

What is the cos and sin of (13pi/3)? Also what is the reference angle in radians?

What is the cos and sin of (13pi/3)? Also what is the reference angle in radians?

ExoMode Feb 22, 2021

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30

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2 things

1. Someone thinks of a number y. He subtracts 3 from the number, then doubles it. What is the final result, in terms of y?

2. Solve for z.

Guest Feb 22, 2021

+2

28

2

+172

Help. Thank you.

If , and is a polynomial such that the degree of is 3, then what is the degree of ?

calvinbun Feb 22, 2021

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54

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probability

Four people—Rob, Sonja, Jack, and Ang—enter their names into a drawing. The winner receives either a t-shirt or a mug, and which prize they receive is randomly selected.What is the probability that either Ang wins and is given a mug, or Jack wins (and is read more ..

Guest Feb 22, 2021

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