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lina2011 [118]
3 years ago
12

Hunter pushed a couch across the room. He did 800 J of work in 20 seconds. The couch weighed 500 N. How much power did he have?

Mathematics
2 answers:
Bezzdna [24]3 years ago
8 0
The answer is d Because if you take the 800+ the 20th I will give you 820 then plus the 500 then subtract another 20-10 divide 45 then you’ll end up with your original number 800
nordsb [41]3 years ago
4 0

Answer:B . D . 800 w

Step-by-step explanation:

did 800 J of work in 20 seconds. The couch weighed 500

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Help please, I'm stuck on this :/
nlexa [21]

Do you have a calculator? you can solve it by substituting x.

y=16x^2

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(x = 0 , y = 0)

0.5: y = 16(0.5)^2 = 16(0.25) = 4

(x = 0.5 , y = 4)

1: y = 16(1)^2 = 16(1) = 16

(x = 1 , y = 16)

1.5: y = 16(1.5)^2 = 16(2.25) = 36

(x = 1.5 , y = 36)

2: y = 16(2)^2 = 16(4) = 64

(x = 2 , y = 64)

2.5: y = 16(2.5)^2 = 16(6.25) = 100

(x = 2.5 , y = 100)

3 : y = 16(3)^2 = 16(9) = 144

(x = 3 , y = 144)

4: y = 16(4)^2 = 16(16) = 256

(x = 4 , y = 256)

if you multiply a negative number by itself, it will become positive. So, -4, -3, -2.5, -2, -1.5, -1, -0.5 will be the same as the positive 4, 3, 2.5, 2, 1.5, 1, 0.5.

I'm not sure about the pattern, but if you graph it, it'll be symmetrical across the y-axis.

8 0
3 years ago
What is m in 4/5m=2/9 is it 5/18
Romashka [77]
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The final result is: m = 5/18 or 0.2778.
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3 years ago
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inna [77]

Answer:

Step-by-step explanation:

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m,n are parallel lines and a is transverse.

So, ∠3 = ∠2   {corresponding angles}

∠3 = 108

8 0
4 years ago
PLEASE HURRY!! TIMED!! WILL GIVE BRAINLIEST!!!
tensa zangetsu [6.8K]

Answer:

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4 0
3 years ago
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vesna_86 [32]
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