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3 years ago

Help please with some 7th grade math

Mathematics

1 answer:

ivolga24 [154]3 years ago

6 0

ANSWER: 3 walls

EXPLANATION: Since we know that with 1/4 can he can paint 3/4 of a wall, and 4/4 is equal to one can of paint, all you would have to do is multiply 3/4 by 4 since 1/4 + 1/4 + 1/4 + 1/4 = 4/4 (Also can be written 4(1/4)=4/4)

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(6.02*10^23)/(2*10^19) what is the simplified answer

EastWind [94]

Answer:

= 4.875 × 105

Step-by-step explanation:

4 0

3 years ago

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Find the inverse of the function f f (x ) equals 9 x + 7

MrMuchimi

Note: Your question seems a little bit ambiguous. So, I am assuming the given function f(x)=9x+7.

Thus, I am solving based on it. It would still clear your concept.

Answer:

The inverse of f(x)=9x+7

$\frac{x-7}{9}$

Step-by-step explanation:

Given the function

$f(x)=9 x + 7$

A function g is the inverse of function f if for y=f(x), x=g(y)

Replace x with y

$x=9y+7$

solve for y

$9y=x-7$

$y=\:\frac{x-7}{9}$

Therefore,

The inverse of f(x)=9x+7 is:

$\frac{x-7}{9}$

i.e.

$\mathrm{Inverse\:of}\:9x+7:\quad \frac{x-7}{9}$

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3 years ago

Plsss. Help plalssssssa

pshichka [43]

We cannot see the whole question

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3 years ago

Between which two consecutive whole number does the square root of 38 lie

Dahasolnce [82]

So rather than think about how to find the whole numbers, let's try to find the two perfect squares nearest to 38. There is one greater than it and one smaller than it. The square root will lie between the squared value of each. (e.g. 64 is the perfect square, 8 is the squared value i refer to)

6 ,7. 6squared is 36 and 7 squared is 42

therefore 38 lies between these two numbers

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3 years ago

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Solve the equation to find the variable x

Gnom [1K]

Okay, you would need to distribute it.

It would be 3/4x - 3/4 = 10/8x - 20/8

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3 years ago