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svlad2 [7]
4 years ago
14

What is the kinetic energy of a 2 kg ball just before it hits the ground traveling 28 m per second

Mathematics
1 answer:
sveta [45]4 years ago
8 0

Answer:

0.784

Step-by-step explanation:

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I need help ASAP! And work needs to be shown!
spin [16.1K]

Answer:

32 x p/100 = 40

(Solve for P)

Multiply by 100 on both sides

32x = 4,000

Divide by 32 to get:

X = 125%

(reason why you multiply by 100 is because opposite of division is multiplication and we multiply the number "100" because we always multiply the denominator to both sides when having a fraction so you can solve for p or whatever. And that means p/100 x 100 it means p because since p is not a known value we consider 1/100 x 100 = 1, a variable by itself means 1 so you could just put p by itself next to the number its multiplied by which is 32 so it would be 32p because your multiplying both and the opposite of that would be dividing by 32 on both sides because you are getting rid of the 32 so therefore you will be left with: X = 125)

3 0
3 years ago
I need help I put 30 points for whoever helps me
artcher [175]

Answer:

y=-x+1

Step-by-step explanation:

Slope can be represented as rise over run (change y-values over change in x-values). Since the y-value is changing by -2 every time the x-value is changing by 2, the slope of the line must be \frac{-2}{2}=-1.

In slope-intercept form y=mx+b, m represents the slope of the line, b represents the y-intercept, and (x, y) represent the coordinates of any point the line passes through.

To find b, substitute m=-1 and any point the line passes through.

Using (1, 0) from the table:

0=-1(1)+b,\\0=-1+b,\\b=1

Thus, the equation of this line is \boxed{y=-x+1}

5 0
3 years ago
Sarah has two job offers: Nike will pay her $12 per hour and chick-fil-a will pay her $8 per hour. If she works 13 hours at Nike
saul85 [17]
Nike will pay her more money
6 0
3 years ago
You roll a fair six sided die the die shows an odd number or number greater than four
tiny-mole [99]

Answer:

P (odd number or number greater than 4) =  4/6  = 2/3

Step-by-step explanation:

The solution set { 1,2,3,4,5,6}

Odd numbers are 1,3,5

Numbers greater than 4 are 5,6

Notice that 5 is repeated.  We can only count it once

There are 4  answers that meet the criteria  (since we can only count 5 once)

P (odd number or number greater than 4) =  4/6  = 2/3

3 0
3 years ago
If f(x) = 7 + 4x and g(x)=1/2x, what is the value of (f/g)(5)?
Romashka [77]
<h2>Answer:</h2>

d. \ \boxed{270}

<h2>Step-by-step explanation:</h2>

In this exercise we need to make a division and evaluate the new function at x=5. so we have two functions, namely:

f(x)=7+4x \ and \\ \\ g(x)=\frac{1}{2x}  

Therefore:

f(5)=7+4(5)=27 \\ \\ g(5)=\frac{1}{2\times 5}=\frac{1}{10}

So:

(f/g)(5)=\frac{27}{\frac{1}{10}}=270

3 0
4 years ago
Read 2 more answers
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