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3 years ago

8

Student finished eighth of homework problem in the class If the ratio of problem she finish to problem she still had left was 4.

1 how many homework problems did she have total?

1 answer:

omeli [17]3 years ago

6 0

5 homework problems because 4+1=5

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W varies jointly as X and Y and inversely as the square of Z. If W=280 when X=30, Y=12, and Z=3, find W when X=20, Y=10, and Z=2

algol [13]

Hello! Its Me! :)

Answer:

The answer is 350.

Step-by-step explanation:

The joint variation of W with x, y and z may be expressed as follow, W = kxy / z²where k is the constant of variation. Substituting the first set of values for the variables, 280 = k(30)(12) / 3²The value of k from the equation is 7. Substituting to the same equation the values of the next set of variables, w = (7)(20)(10) / 2² = 350

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3 years ago

Read 2 more answers

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maks197457 [2]

Hello,

1) k = (-5) * (-5) = 25

3) x = 12 * 0 = 0

5) y = (-4) * (-12) = 48

7) z = 0 * 9 / 1 = 0

9) x= 18 / -3 = -6

11) p = -8 / 8 = -1

13) h = 42 / 14 = 3

15) m = -42 / 6 = -7

17) x = -9 * -11 = 99

19) v = -17 / -17 = 1

21) h = 3,136 / 56 = 0,056

23) x = 4,200 / 30 = 0,14

25) m = 21 * -3 = -63

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3 years ago

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3 years ago

It takes teccance 5 minutes to read 1 pages. Of terrance read for about an hour estimate how many pages he should read

Semenov [28]

Answer:

12

Step-by-step explanation:

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3 years ago

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Three times the quantity five less than x, divided by the product of six and x

Elden [556K]

Answer:

$\frac{3(x-5)}{6x}$

Step-by-step explanation:

we know that

The phrase "Three times the quantity five less than x" means 3 multiplied by the difference of x minus 5

3(x-5)

The phrase "the product of six and x" means the number 6 multiplied by x

6x

therefore

The phrase" Three times the quantity five less than x, divided by the product of six and x" is equal to the quotient of 3(x-5) and 6x

$\frac{3(x-5)}{6x}$

7 0

3 years ago