2 years ago

20 Points for 4 questions. BRAINLIEST also

Mathematics

1 answer:

pav-90 [236]2 years ago

8 0

Answer:

Image #1: -8 and 8

Image #2: -17 and -1

Image #3: 8 and 4

Image #4: -10±5√2

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QUESTION 9

Mars2501 [29]

Answer:

x = 31

Step-by-step explanation:

Given:

f(x) =

$2 {x}^{2} - 1$

g(x) = x + 2

We will first find g(2).

g(2) = 2 + 2 = 4

Next we will find f(g(2)).

f(g(2))= f(4) =

$2( {4}^{2} ) - 1 \\ = 2(16) - 1 \\ = 32 - 1 \\ = 31$

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Find the perimeter and the area of the polygon with the given vertices.

7nadin3 [17]

Answer:
Area : 45 Perimeter : 2,025

Explanation:
Area: 5 times 9 equals 45. The 5 is the polygon’s base, the 9 is the polygon’s height.
Perimeter: 5 times 5 times 9 times 9 equals 2,025. Perimeter is base times base times height times height.

Glad I could help! :)

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3 years ago

18 divided by 2 equals 9 because

coldgirl [10]

Answer:

anwer a

2 times 9 equals to 18

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Circle O has an area of 200m^2. Point A and B lie on the circle. Sector AOB has an area of 50m^2. What is the measure of angle A

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