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stiks02 [169]
3 years ago
8

I’ve tried so many things but I can’t find the Answer

Mathematics
2 answers:
crimeas [40]3 years ago
6 0

<u> </u><u> </u><u> </u><u> </u><u>30</u>

<h3>☞EXPLANATION☜</h3>

20 percent (calculated percentage %) of what number equals 6? Answer: 30.

Virty [35]3 years ago
3 0

Answer:

let \: that \: be \:  \: x \\ 20\% \: of \: x \: is \: 6 \\  \frac{20}{100}  \times x = 6 \\ 20x = 600 \\ x = 30

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100 points!! Brainliest if correct!!
Elena-2011 [213]

surface area (S) of a right rectangular solid is:

S = 2*L*W + 2*L*H + 2*W*H (equation 1)

where:

L = length

W = width

H = height

-----

you have:

L = 7

W = a

H = 4

-----

formula becomes:

S = 2*7*a + 2*7*4 + 2*a*4

simplify:

S = 14*a + 56 + 8*a

combine like terms:

S = 22*a + 56

-----

answer is:

S = 22*a + 56 (equation 2)

-----

to prove, substitute any value for a in equation 2:

let a = 15

S = 22*a + 56 (equation 2)

S = 22*15 + 56

S = 330 + 56

S = 386

-----

since a = 15, then W = 15 because W = a

go back to equation 1 and substitute 15 for W:

S = 2*L*W + 2*L*H + 2*W*H (equation 1)

where:

L = length

W = width

H = height

-----

you have:

L = 7

W = 15

H = 4

-----

equation 1 becomes:

S = 2*7*15 + 2*7*4 + 2*15*4

perform indicated operations:

S = 210 + 56 + 120

S = 386

-----

surface area is the same using both equations so:

equations are good.

formula for surface area of right rectangle in terms of a is:

S = 22*a + 56

-----

8 0
3 years ago
Read 2 more answers
Our friend climbs 15 ft up a tree. They throw your headphones at you, and they go just over your head that is 5 feet tall
ioda

Answer:

5 ft away

Step-by-step explanation:

4 0
3 years ago
HELP ASAP!! LINEAR EQUATIONS<br>6r =16+8r<br><br>A. 8<br>B. -8<br>C. 2<br>D. -2​
Savatey [412]

Answer:

B. -8

Step-by-step explanation:

4 0
3 years ago
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What is the answer to 1.5=0.6(w+0.4)
svp [43]

Answer:

W= 2.1

Step-by-step explanation:

6 0
4 years ago
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Solving for y : x+2y=6
mote1985 [20]

Answer:  y = -1/2 x + 3

Step-by-step explanation:

x + 2y= 6   subtract  x from both sides

-x      -x

2y = 6 - x     Divide both sides by 2

y = 3 - 1/2x   or y = -1/2x + 3

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3 years ago
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