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Tju [1.3M]
3 years ago
5

I don’t understand what Is the answer since I’m not good with percentages

Mathematics
1 answer:
TiliK225 [7]3 years ago
4 0

Answer:

9 students

75 percent of 12 = 9

Search for calculator. Type, "75" then click the percent symbol, then type "12." It should give you the right answer.

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Should be 445.10. I just took the percentages of all out of 562 and added and subtracted as necessary.
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2 years ago
Problem
mixas84 [53]

Answer:

2(L*w) + 2(L*h) + 2(w*h)

Step-by-step explanation:

height = h

width = w

length = l

To find two sides you multiply to values then multiply by two, and repeat until each value is combined.

2(L*w)

2(L*h)

2(w*h)

Then add together.

4 0
3 years ago
Answer to letter B , C, D
Feliz [49]

Answer:

  • See below.

Step-by-step explanation:

<u>Our expression given: 3(x-6) + 2y</u>

A. Substitute x = -7 and y = 10 into the equation.

3( - 7 - 6) + 2(10)

<u>Use the Distributive Property:</u>

- 21 - 18 + 20

<u>Solve:</u>

- 19

B. Substitute x = 5 and y = -2 into the equation.

3(5 - 6) + 2( - 2)

<u>Use the Distributive Property:</u>

15 - 18 + -4

<u>Solve:</u>

-7

C. Substitute x = 0 and y = 6 into the equation.

3(0 - 6) + 2(6)

<u>Use the Distributive Property:</u>

- 18 + 12

<u>Solve:</u>

-6

D. Substitute x = 3 and y = 3 into the equation.

3(3 - 6) + 2(3)

<u>Use the Distributive Property:</u>

9 - 18 + 6

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8 0
2 years ago
3(2b+4)=6(5b+2)<br><br><br><br>please step by step
Lena [83]
A b=0    Subtract 12 from both sides 6b+12-12=30b+12-12

3 0
3 years ago
Which value for x would make the perimeter of this rectangle equal 48 inches
RSB [31]

Answer:

L = 16; W=8: are the correct values.

Step-by-step explanation:

Start off with 2 math statements:

First, for the perimeter:  2W x 2L = 48

Then, for the area:  W x L = 128

Next, we want to take the 2nd equation; then solve it for "W"

W x L = 128

Divide out both sides by "L", to get the "W" equals:

W = 128/L

Next, go back to the first equation.  Where it indicates "W", put in the value of:  128/L in its place; to get:

2L + 2*(128/L) = 48; which gives us:

2L + 256/L = 48

Multiply everything by "L", to get:

2L2 + 256 = 48L

Next, divide out everything by 2, to get:

L2 + 128 = 24L

Next, move the 24L over to the left, to get:

L2 - 24L + 128 = 0

(L-16)* (L-8) = 0

L-16 = 0; L-8 = 0

Which gives us:  L=16; L=8

Let's go with the L=16 first; back into the original equation:

f(16) = 2*16 + 2W = 48

32 + 2W = 48

-=32         -32

2W = 16

Divide out both sides by 2, to get:

W = 8

Next, test our values, by plugging them back into both original equations:

2*16 + 2*8 = 48

32 + 16 = 48        [Check]

L x W = 128

16 * 8 = 128

128 = 128          [Check]

5 0
2 years ago
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