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Sedaia [141]
4 years ago
14

Given the function f(x) = 3x2 − 4, what is f(-2)? A. -40 B. -16 C. 8 D. 32

Mathematics
2 answers:
adoni [48]4 years ago
8 0
^^ correct! It would be 8! Your answer is C.
Temka [501]4 years ago
3 0

All this is asking you to do is plug in -2 for x

So

f(x)=3x²-4

f(-2)=3(-2²)-4

f(-2)=12-4

f(-2)=8

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The water level of a pond rises an inch every 16 days
Scilla [17]

Answer:

16 weeks

Step-by-step explanation:

7 inches rise

7x16days = 112 days

112 days / 7 days = 16 weeks

5 0
4 years ago
Ashin has been working in UAE for a decade and saved AED 125,500 which he wants to transfer now to his parent's account in India
saul85 [17]

Answer:

2510000 INR

Step-by-step explanation:

Given

Savings = AED 125500

1\ AED =20\ INR

Required

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1\ AED =20\ INR

Multiply both sides by the savings

125500 * 1\ AED =20\ INR * 125500

125500\ AED =125500 * 20\ INR

So, we have:

125500\ AED =2510000\ INR

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3 0
3 years ago
I need helpppppp asappppp
andrew-mc [135]

Answer:

A. 72cm

Step-by-step explanation:

Figure a is a convex pentagon, a convex pentagon is a pentagon that does not have an internal angle greater than

{180}^{0}

An easier thing to remember is that it does not have an angle pointing inwards like b, none of its angles/edges point toward the shape/inside

3 0
3 years ago
Rewrite the formula to solve for the amount of money Jeremy must pay each month
emmainna [20.7K]
X=t-yz   and we are asked to solve for y so, subtract t from both sides

x-t=-yz  divide both sides by -z

(x-t)/(-z)=y

y=(x-t)/(-z)  multiply the numerator and denominator by -1

y=(t-x)/z

8 0
4 years ago
WORTH 15 POINTS NEED ASAP
Katen [24]
X = 32.

117 + 31 = 148.

180 - 148 = 32. (All angles in a triangle add up to 180 degrees)
8 0
4 years ago
Read 2 more answers
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