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olchik [2.2K]
4 years ago
6

Find the exact solution(s) of the equation 1/3x^2 = 16

Mathematics
1 answer:
nordsb [41]4 years ago
3 0

Let's solve your equation step-by-step.


1/3x^2=16


Step 1: Divide both sides by 1/3.


1/3x^2  ÷ 1/3  =  16  ÷ 1/3


x^2=48


Step 2: Take square root.


x=±√48


x=4√3 or x=−4√3


Answer:  x=4√3 or x=−4√3

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30. The perimeter of a rectangle is 292 feet. The length of the rectangle is 4 feet less than 5 times the width. What is the len
blondinia [14]
P = 2(L + W)
P = 292
L = 5W - 4

292 = 2(5W - 4 + W)
292 = 2(6W - 4)
292 = 12W - 8
292 + 8 = 12W
300 = 12W
300/12 = W
25 = W <=== width is 25 ft

L = 5W - 4
L = 5(25) - 4
L = 125 - 4
L = 121 <=== length is 121 ft
5 0
4 years ago
An experiment results in one of the sample points upper e 1e1​, upper e 2e2​, upper e 3e3​, upper e 4e4​, or upper e 5e5. comple
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Given that an experiment results in one of the sample points E1, E2, E3, E4, or E5.

Then P(e1) + P(e2) + P(e3) + P(e4) + P(e5) = 1

If P(E1)=0.1, P(E2)=0.1, P(e4)=0.2, and P(E5)=0.3., then P(E1) = 1 - 0.1 - 0.1 - 0.2 - 0.3 = 0.3

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3 0
3 years ago
Lin has a scale model of a modern train. The model is created at a scale of 1 to 48.
satela [25.4K]

Answer:A

1/48 = 102/ ???

1 × 102 = 102

48 × 102 = 4896 mm, or 4.896 m

B

1 inch = 25.4 mm

1/48 = 1 and one fourth in/54 in

54 ÷ 1 1/4 = 43

43 ≠ 48

The train can't drive on the tracks.

Step-by-step explanation:

3 0
3 years ago
8 x 4 = (? × 7) - (? × 3)​
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Answer:

8 x 4 = ( 5 x 7) - ( 1 x 3)

Step-by-step explanation:

7 x 5 = 35

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so 35 - 3 = 32

8 x 4 = 32

8 0
4 years ago
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Converse if I'm exercising then I'm running not necessarily maybe your jogging or another exercise

If I'm awake then I'm studying
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4 0
3 years ago
Read 2 more answers
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