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sleet_krkn [62]
3 years ago
14

What factors are used to measure kinetic energy

Mathematics
1 answer:
weqwewe [10]3 years ago
8 0

Answer: the mass (m) of the object and the speed (v) of the object

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ASAP!!! Please.....…………………........
vlada-n [284]

He could make seven 3/8lbs portions of meat.

I was a little stumped too, but I think this is it. That's my work process, though

7 0
3 years ago
Twin brothers, Billy and Bobby, kid mother grandparents lawn together for 60 minutes. Billy could mow the lawn by himself in 20
Dovator [93]

Answer:

Bobby around 131 minutes and Billy around 111 minutes

Step-by-step explanation:

To solve the problem it is important to raise equations regarding what happens.

 They tell us that Billy (Bi) and Bobby (Bo) can mow the lawn in 60 minutes. That is to say that what they prune in a minute is giving as follows:

1 / Bo + 1 / Bi = 1/60 (1)

They say Billy could mow the lawn only in 20 minutes less than it would take Bobby, therefore

1 / Bi = 1 / (Bo-20) (2)

Replacing (2) in (1) we have:

1 / Bo + 1 / (Bo-20) = 1/60

Resolving

(Bo - 20 + B0) / (Bo * (Bo-20) = 1/60

120 * Bo - 1200 = Bo ^ 2 - 20Bo

Rearranging:

Bo ^ 2 - 140Bo -1200 = 0

Now applying the general equation

Bo = 130.82 or Bo = 9.17, <em>this last value cannot be because Billy took 20 minutes less and neither can he prune faster than the two together</em>, therefore Bobby only takes around 131 minutes and Billy around 111 minutes

Checking with equation 1:

1/131 +1/111 = ~ 1/60

3 0
3 years ago
Find the output for each input of y = -2x.
VashaNatasha [74]
The 2nd choice down in correct.
4 0
3 years ago
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3. Ten more than a number is 28. Find the<br> number.
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18. I hope it helps:/
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3 years ago
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At a store clearance, a woman spent less than $200 on shirts that were labeled $15 each. How many shirts did she buy? Identify t
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divide 200 by 15

200/15 = 13.33

so she bought 13 shirts

13 x 15 = 195

8 0
3 years ago
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