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3 years ago

Somebody please try and help me with #9

Mathematics

1 answer:

Maurinko [17]3 years ago

3 0

First, you subtract the equations. (3x^2-2x+5) - (x^2+3x-2) so you get 3x^2 - 2x + 5 - x^2 - 3x + 2. This leads you to 2x^2 - 5x + 7. If you multiply that by 1/2 x^2, you get x^4 - 5/2(x^3) + 7/2(x^2)

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The label on a juice carton says there are 50 calories in a 4-ounce serving of juice.

Scrat [10]

The answer is D
Because, if there is 50 calories in 4 ounce serving of juice, then you do how many times 4 equals 12. 3 times 4 equals 12. so you will use 3 to multiply by 50 and you get 150 calories in 12 ounces.

5 0

3 years ago

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If f(x) = -3x - 5 and g(x) = 4x - 2, find (f+ g)(x).

Stella [2.4K]

Answer:

$\boxed{\sf x - 7}$

Given:

f(x) = - 3x - 5

g(x) = 4x - 2

To Find:

(f + g)(x)

Step-by-step explanation:

$\sf (f + g)(x) = f(x) + g(x) \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = - 3x - 5 + 4x - 2 \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 4x - 3x - 5 - 2 \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = x - 5 - 2 \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = x - 7$

7 0

3 years ago

Write an equation in point-slope form of the line having the given slope that contains the given point. m=4, (2,5) Select one: a

dimulka [17.4K]

Y-5=4(x-2) is the correct equation

6 0

3 years ago

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I ned helk with 41+28

expeople1 [14]

Answer:

41+28=69

Step-by-step explanation:

Add the tens values: 40 + 20 = 60

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Combine: 60 + 9 = 69

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2 years ago

What is the greatest common factor of 14, 51 ,21

nikitadnepr [17]

Answer:

The answer is 1

Step-by-step explanation:

14 = 2 × 7

51 = 3 × 17

21 = 3 × 7

4 0

3 years ago