18 pts + brainliest to right/best answer

Mathematics

1 answer:

Bogdan [553]3 years ago

7 0

Two numbers that add up to 2 and multiply to -35

-5 and 7

Rewrite the expression using the above;

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we said that the ratio of girls to boys in the class was 2:9. if there were 90 boys in the 9th grade, how many girls are there

Juliette [100K]

Answer:

Step-by-step explanation:

If the ratio of boys is 9 there are 90 boys. If 9=90 then 1= 10. 10 x 2 = 20

I hope this helps :0)

7 0

3 years ago

Read 2 more answers

If f(x) = 2x² + 5, then what is the remainder when f (x) is divided by x – 10?

photoshop1234 [79]

Answer:

Step-by-step explanation:

x - 10 = 0

x = 10

f(10) = 2*10² + 5 = 2*100 + 5 = 200 + 5

= 205

Remainder = 205

3 0

3 years ago

Log3(7x) Use the Laws of Logarithms to expand the expression.

Bingel [31]

Log3(7) + log3(x)
Terms that are multiplied inside one log become added when you separate them where each term gets its own log.

7 0

3 years ago

Which of the following steps can be performed so that the square root property may easily be applied to 2x2 = 16? (1 point)

Ivan

Answer:

$\Large \boxed{\mathrm{Option \ 2}}$

Step-by-step explanation:

$2x^2 =16$

The square root property requires a quantity squared by itself on one side of the equation. The only quantity squared is x, so divide both sides by 2 before applying the square root property.

The x variable should be isolated on one side of the equation. The x variable is squared so before performing the square root property where we take the square root of both sides, we divide both sides by 2, then take the square root of both sides.

Dividing both sides by 2.

$\displaystyle \frac{2x^2 }{2} =\frac{16}{2}$