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Serhud [2]
3 years ago
5

Manuel and Peter are standing 12 ft. apart from each other and looking up at a kite that is

Mathematics
1 answer:
deff fn [24]3 years ago
8 0
68.1 ft is the answer
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The original quantity is 20 and the new quantity is 15. Adam incorrectly says the percent decrease is about ​14.29%. What is the
Yuki888 [10]

Answer: A. divided the difference of the two quantities by the sum of the two quantities.

===================================================

Explanation:

The difference of the quantities is 20-15 = 5

The sum of the quantities is 20+15 = 35

Dividing those results leads to 5/35 = 0.142857 which rounds to 0.1429

That converts to 14.29%

This is likely the path Adam took. This path is incorrect. The correct steps are shown below

---------------------

Difference = 20-15 = 5

Divide the difference over the original quantity

5/20 = 1/4 = 0.25 = 25%

We have a 25% decrease because the new quantity (15) is smaller than the old quantity (20)

----------------------

Here's another way to approach the problem

A = old value = 20

B = new value = 15

C = percent change

C = [ (B-A)/A ] * 100%

C = [ (15-20)/20 ] * 100%

C = (-5/20)*100%

C = -0.25*100%

C = -25%

The negative C value means we have a negative percent change, ie we have a percent decrease. So this is another way to get a 25% decrease.

4 0
3 years ago
Read 2 more answers
Tell whether x and y are proportional.
insens350 [35]
Pendejo Que putas es eso
5 0
2 years ago
Find the product of<br> (-2 x5y3 )( 3x2y )
Y_Kistochka [10]

Answer:

(-2 x5y3 )( 3x2y )= -180 x2 y2

7 0
2 years ago
if 2 binders of the same size take up 3 inches on the shelf how much space will be needed for 28 of these binders?
Anna [14]

Answer:

84

Step-by-step explanation:

28x3=84

I hope i did that right

please give me Brainliest you dont have to tho

7 0
3 years ago
Y = -x²+4<br> y = 2x+1<br> solve the system of equations
Semenov [28]
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(
1
,
3
)
,
(
−
3
,
−
5
)
(
1
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3
)
,
(
-
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Equation Form:
x
=
1
,
y
=
3
x
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1
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y
=
3
x
=
−
3
,
y
=
−
5
4 0
2 years ago
Read 2 more answers
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