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saul85 [17]
3 years ago
7

If x=3 then x^2=9 what is the inverse

Mathematics
1 answer:
katovenus [111]3 years ago
4 0

Answer:

X^-1 = X^-2 = 1/9

Step-by-step explanation:

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May I Please Get Help For Number 5
11111nata11111 [884]

Answer:

$ 60

Step-by-step explanation:

p(x) = 7x + 25

f(1) = 2.1² + 3 = 5

p(f(1)) = p(5) = 7 . 5 + 25 = 35 + 25 = 60

so he get $ 60 for 5 hours work with tips

3 0
3 years ago
A diagram of a hockey rink is shown below. The diameter of the middle circle is 30 Feet. What is the area of the middle circle?
Tatiana [17]
The formula of the area of the circle is 
Area = pi * (d/2)^2

So using the formula,
Area = 3.14 * (30/2)^2
Area = 3.14 * 15^2
Area = 706.5 ft^2

So the area of the hockey rink is 706.5 ft^2
8 0
3 years ago
Beth wants to buy Christmas lights to decorate her new home. At various stores, Beth found lights priced from $6.99 a strand to
Monica [59]

Answer:

Christmas lights are price based shopping products

Step-by-step explanation:

From the question we understand that, Beth bought as many cheapest lights as possible. This means that she places value over quantity than quality.

The above is an illustration of price based shopping products where customers (in this case, Beth) see all products (in this case, Christmas lights) as similar products, irrespective of their different qualities (after all, they all light Christmas trees).

Because of this, the customer will opt for least expensive items, leaving the more expensive items.

8 0
3 years ago
Whats 3.2r + 14.7=6.74
Nata [24]

<u><em>r=-199/80 is the right answer.</em></u> First, you had to multiply by 100 from both sides of the equation. And it gave us, 3.2r*100+14.7*100=6.74*100. Next, you had to refine, and it gave us, 320r+1470=674. Then, subtract by 1470 from both sides of equation. And it gave us, 320r+1470-1470=674-1470. Simplify, and it gave us, 320r=-796. You can also divide by 320 from both sides of equation. And it gave us, \frac{320r}{320}=\frac{-796}{320}. And finally, simplify, and it gave us the answer is <em><u>r=-199/80 is the right answer.</u></em> Hope this helps! And thank you for posting your question at here on brainly. And have a great day! -Charlie

6 0
3 years ago
Read 2 more answers
Select all equations which are equivalent to 2(x +3) =20
OleMash [197]
2x + 3 = 20
Subtract 2 from both sides
2x= 27
X= 13.5
8 0
4 years ago
Read 2 more answers
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