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koban [17]
2 years ago
5

12

Mathematics
1 answer:
Papessa [141]2 years ago
4 0

Answer:

42

Step-by-step explanation:

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If g(x)= x^2-2x-6 and h(x)= 2x^2-5x+2 find (h-g) (-2)
Natalka [10]

Answer:

<h2>(h - g)( - 2) = 18</h2>

Step-by-step explanation:

g(x) = x² - 2x - 6

h(x) = 2x² - 5x + 2

To find (h-g) (-2) we must first find h - g(x)

To find h - g(x) subtract g(x) from h(x)

We have

<h3>(h - g)(x) =  {2x}^{2}  - 5x + 2 - ( {x}^{2}  - 2x - 6)  \\  =  {2x}^{2}  - 5x + 2 -  {x}^{2}  + 2x + 6 \\  =  {2x}^{2}  -  {x}^{2}  - 5x + 2x + 2 + 6</h3><h3>(h - g)(x) =  {x}^{2}  - 3x + 8</h3>

To find (h-g) (-2) substitute the value of x that's - 2 into (h - g)(x) that's replace every x in (h - g)(x) by - 2

That's

<h3>(h - g)( - 2) =  ({ - 2})^{2}  - 3( - 2) + 8 \\  = 4 + 6 + 8 \\  = 10 + 8</h3>

We have the final answer as

<h3>(h - g)( - 2) = 18</h3>

Hope this helps you

7 0
3 years ago
*will give brainlist**okay so u want to know how much diapers u will use for 3 years basically and then the details to help u ea
pochemuha

ok so divide 1500 by 250 to determine how many boxes you need to by in 1 year

so that equals 6 then you multiply that by $30 to find the total cost of all the diapers per year so the is $180 per year and then multiply that by 3 to find the cost of all 3 years

So the answer is you will spend $540 in total

8 0
2 years ago
a rectangular gift box is 10 inches long, 7 inches wide, 1.25 inches high, and had a surface area of 182.5 square inches. gift w
nalin [4]
1) 2 * (10 * 7 + 7 * 1,25 + 10 * 1,25) = 2 * (70 + 8,75 + 12,5) = 2 * 91,25 = 182,5 square inches - a surface area
2) 182,5 * 0,012 = <span>$</span>2,19 - answer.
6 0
2 years ago
smith deposited 3,500 for 4 years years in a savings account with an annual simple interest rate of 3.5%. How much interest did
love history [14]
Simple Interest = Money Amount + (Interest percentage of Money × number of years or months)

SI =  3500 + (3.5% of 3500 × 4)
SI =  3500 + (122.5 × 4)
SI =  3500 + 490
SI = 3990 !

He earned 3990 over 4 years. If you liked my answer, please make me the brainliest answer! :)
8 0
2 years ago
PLEASE, 49 POINTS AVAILABLE I NEED HELP!<br><br><br> show your work/ explain
Sergio [31]

Answer:

Graph C

Step-by-step explanation:

y = .7x

For a direct variation, we know that the line has to go through the origin (0,0)

This eliminates graphs b and d.   We also know that the slope is .7

When x = 1, y = .7.  This eliminates graph a, because when x=1 y =1.  This leaves us graph c

7 0
2 years ago
Read 2 more answers
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