Evaluate the following y^2-5y+2

Answers

Answer 1

Answer: If y = 3, then you substitute 3 into wherever it says y.

So the original:
y² - 5y + 2

becomes:
3² - 5×3 + 2.

which is:
9 - 15 + 2.

9 - 15 = -6
-6 + 2 = -4.

-4 is the answer.

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For f(x)=2x+1 and g(x)=x^2-7 find (f•g)(x)

Answers

(f•g)(x) = (2x+1) (x^2-7)
(f•g)(x) = 2x^3 + x^2- 14x - 7

............................................

Answer:

^he right

Step-by-step explanation:

A system of equations is given. Equation 1: 4x-6y=10 Equation 2: 9x+2y=7

Answers

Solve for the first variable in one of the equations,
then substitute the result into the other equation.
x = 1 ; y = - 1

The mass of one liter of water is about one ____A : Milligram

B : Kilogram

C : Gram

Answers

gram

The density of water is about 1g/cm3

PLEASE HELP!!Solve this quadratic equation:

2x^2 + 8x = 0

This has TWO answers!

Thank you so much!!!

Answers

I hope this helps you

A square measures 8 inches on each side. What is its area rounded off to the nearest square centimeter? (

Answers

The area of any rectangle is (length) x (width).
Your square is a rectangle, with length=width.

Using 1 inch = 2.54 centimeters, the square's area is

(8 x 2.54 cm) x (8 x 2.54 cm)

= (20.32 cm) x (20.32 cm) = 412.90⁺ cm²

Rounded to the nearest cm², it's 413 cm² .

Hey can anyone help I'm so confused on how to this :)

Answers

I believe that it is 576 inches cubed. You would do length x width x height and get 576.

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