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3 years ago

13

This year, Carmen watched 70 movies. She thought that 21 of them were very good. Of the movies she watched, what percentage did

she think were very good?

1 answer:

spin [16.1K]3 years ago

8 0

Carmen thought 30% of the movies were good.

I found the percent by dividing 21 by 70

21/70= .3

.3= 30%

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yaroslaw [1]

<span>cost of two pair of jeans- $55
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3 years ago

Suppose f(x) = 2x-1 and g (x) = x + 1/a. Which value(s) of a would make the composite functions commutative? A. 0 B. 2 C. any va

Tamiku [17]

Answer:

2

Step-by-step explanation:

A commutative function means that when you insert one function in space of x in the other function, they will equal x. The equation is f(g(x)) = g(f(x)) = x

So, 2( $\frac{x+1}{a}$ ) - 1 = $\frac{(2x-1)+1}{a}$

If you multiply both sides by <em>a</em>, you get 2<em>a</em>( $\frac{x+1}{a}$ ) - a = (2x-1)+1

Simplify it 2<em>a</em>( $\frac{x+1}{a}$ ) - <em>a</em> = 2x

Add <em>a</em> to both sides 2<em>a</em>( $\frac{x+1}{a}$ ) = 2x +<em>a</em>

The two <em>a</em>s on the left cancel out 2(x+1)=2x+<em>a</em>

Distribute the 2 2x+2=2x+<em>a</em>

Then subtract 2x from both sides 2 = <em>a</em>

Therefore, <em>a</em> = 2

Hope this helps!

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2 years ago

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Yes it is possible indeed

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3 years ago

Which of the following represents "the difference between a number and eight is twenty-two"?

azamat

Both of the first 8 - N = 22 N - 8 = 22 Represent the difference between a number and 8 is 22 as it is not mentioned that either 8 or the unknown number N is greater so both of the first two represent the difference between a number and 8 is twenty two.

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frutty [35]

Answer:11 hours

Step-by-step explanation:

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2 years ago