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GalinKa [24]
3 years ago
8

Help on #2 a,b,and c

Mathematics
1 answer:
Sati [7]3 years ago
4 0
A) 12 h (3600 s/h) (100 J/s) = 4,320,000 J = 4.32 x 10 6 J
B) 4.32 x 10 6 J x .2 = 864,000 J light
C) 4.32 x 10 6 J (1kWh/3.6 x 10 6 J) = 1.2 kWh
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13≤x

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Because 7.12 divided by 8 is 0.89 pounds
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Can someone help me with 36 and 38?
lukranit [14]

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Step-by-step explanation:


3 0
3 years ago
Which of the values satisfy the following inequality
Ira Lisetskai [31]

Answer:

  A:  x = 20

  C:  x = -9

Step-by-step explanation:

You can solve the inequality and compare that with the offered choices, or you can try the choices in the inequality to see if it is true. Either approach works, and they take about the same effort.

<u>Solving it</u>:

Unfold it ...

  -17 ≤ x -7.5 ≤ 17

Add 7.5 ...

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The numbers 20 and -9 are in this range: answer choices A and C.

_____

<u>Trying the choices</u>:

A:  |20 -7.5| = 12.5 ≤ 17 . . . . this works

B:  |-10 -7.5| = 17.5 . . . doesn't work

C:  |-9 -7.5| = 16.5 ≤ 17 . . . . .this works

D:  |27-7.5| = 19.5 . . . doesn't work

The choices that work are answer choices A and C.

6 0
3 years ago
In the diagram, the figures are similar. What is x?
Ivan
X 3
-- = --
8 7
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A
6 0
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