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3 years ago

Letty answered 15 out of 20 questions correctly on her history quiz. What is her grade as a percent?

Mathematics

2 answers:

andriy [413]3 years ago

8 0

Answer:

Letty has 75%

Step-by-step explanation:

15/20 is the same as 75/100 ( 15/20·5) so she has a 75% grade

grin007 [14]3 years ago

6 0

Answer: 75%

Step-by-step explanation:

you can do 15 over 20 or 15 divided by 20 which will give you .75

move the decimal to the right two times and you get 75%

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At the end of a film, the year is given in Roman numerals.

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Answer:

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4 years ago

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Evaluate \dfrac j4 4 j ? start fraction, j, divided by, 4, end fraction when j=12j=12j, equals, 12.

cricket20 [7]

We need to evaluate the value of fraction $\frac{j}{4}$ .

We also given j=12.

In order to evaluate the value of fraction $\frac{j}{4}$ , we need to plug j=12.

Plugging j=12, we get

$\frac{j}{4}= \frac{12}{4}$

We have 12 in numerator and 4 in denominator.

We always divide top number by bottom number.

So, we need to divide 12 by 4.

On dividing 12 by 4 we get 3.

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3 years ago

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10(n^2+n) -6 (n^2 - 2). simplify the following

Setler [38]

Answer:

4n^2 + 22n

Step-by-step explanation:

10(n^2+n) -6 (n^2 - 2)

10n^2 + 10n - 6n^2 + 12

4n^2 + 22n

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3 years ago

If F(x) =3x-2/6 which of the following is the inverse of f(x)

marissa [1.9K]

Answer:

$f^{-1}(x)=y/3-1/9$

Step-by-step explanation:

$f(x)=3x-2/6$

$f^{-1}(x)=x/3-1/9$

if $f(x)=(3x-2)/6$

answer: $f^{-1}(x)=(6x+2)/3$

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3 years ago