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inna [77]
3 years ago
14

If f(x) = - 4x + 8, what is the value of f(-4)

Mathematics
2 answers:
kompoz [17]3 years ago
5 0

Answer:

Hi there!

Your answer is:

f(-4) = 24

Step-by-step explanation:

F(-4) means to plug in -4 for x!

-4(-4) +8

16+8= 24

f(-4) = 24

I hope this helps!

AleksAgata [21]3 years ago
3 0
Your Answer: F(-4)=24
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If 4 3 • 4 3 = m 6, then m is _____. 1 4 8 16
AleksandrR [38]
4^3 * 4^3 = m^6....when multiplying exponents with the same base, the exponents are added and the base number remains the same....so m = 4
4^3 * 4^3 = 4^6
4 0
3 years ago
The equation P = 21 + 2w can be used to find the perimeter of a rectangle. A 1 point rectangular shaped playground is enclosed b
nalin [4]

Answer:

  • 130 m

Step-by-step explanation:

<u>Given:</u>

  • P = 2l + 2w
  • P = 500 m

<u>Length is:</u>

  • l = 120 m

<u>Substitute values and solve for w:</u>

  • 500 = 2*120 + 2w
  • 2w = 500 - 240
  • 2w = 260
  • w = 260/2
  • w = 130 m
5 0
3 years ago
If the maximum value of y=-3x² + mx + 10 is 37, find the values of m.​
uysha [10]

Step-by-step explanation:

y = -3x² + mx + 10

dy/dx = -6x + m.

When dy/dx = 0, -6x + m = 0. => x = m/6.

We have y = -3(m/6)² + m(m/6) + 10 = 37.

=> -m²/12 + m²/6 = 27

=> -m² + 2m² = 324

=> m² = 324

=> m = 18 or m = -18.

5 0
2 years ago
Read 2 more answers
Factor 2x^2-4x-30 completely
Elza [17]
2x² - 4x - 30
2(x²) - 2(4x) - 2(15)
2(x² - 4x - 15)
4 0
3 years ago
EasyElectrics supermarket orders light bulbs from suppliers, AA Electronics and AAA Electronics. EasyElectrics purchases 30% of
saw5 [17]

Answer: (a) 0.006

               (b) 0.027

Step-by-step explanation:

Given : P(AA) = 0.3 and P(AAA) = 0.70

Let event that a bulb is defective be denoted by D and not defective be D';

Conditional probabilities given are :

P(D/AA) = 0.02 and P(D/AAA) = 0.03

Thus P(D'/AA) = 1 - 0.02 = 0.98

and P(D'/AAA) = 1 - 0.03 = 0.97

(a) P(bulb from AA and defective) = P ( AA and D)

                                                       = P(AA) x P(D/AA)

                                                       = 0.3 x 0.02 = 0.006

(b) P(Defective) = P(from AA and defective) + P( from AAA and defective)

                         = P(AA) x P(D/AA) + P(AAA) x P(D/AAA)

                         = 0.3(0.02) + 0.70(0.03)

                         = 0.027

3 0
3 years ago
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