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Molodets [167]
2 years ago
6

What is 40% of 10? PLZ HELP ASAP

Mathematics
2 answers:
Galina-37 [17]2 years ago
6 0

Answer:

4

Step-by-step explanation:

10 * 40%

10 * 0.4 = 4

Minchanka [31]2 years ago
6 0

Answer:

Hi! 40% of 10=4

Step-by-step explanation:

Hope this helps! :)

Have a nice day! ♥

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What is the volume of a certain cube? (1) The sum of the lengths of the edges of the cube is 36. (2) The surface area of the cub
german

Answer:

(1) The sum of the lengths of the edges of the cube is 36.

A cube has 12 equal edges. Sum = 36. Length of each edge = 36/12 = 3

Volume = 3*3*3 = 27

(2) The surface area of the cube is 54.

A cube has 6 identical faces. Area of each face = s^2 (s is the length of the side)

6s^2 = 54

s = 3

Volume = 3*3*3 = 27

Step-by-step explanation:

All you need to uniquely define a cube is any one measurement - length of a side/edge, area of a surface, volume etc. If you have any one of them, you can uniquely determine the others. So each statement alone is sufficient here.

To show how,

(1) The sum of the lengths of the edges of the cube is 36.

A cube has 12 equal edges. Sum = 36. Length of each edge = 36/12 = 3

Volume = 3*3*3 = 27

(2) The surface area of the cube is 54.

A cube has 6 identical faces. Area of each face = s^2 (s is the length of the side)

6s^2 = 54

s = 3

Volume = 3*3*3 = 27

8 0
3 years ago
PLS Help me Error Analysis
Maksim231197 [3]

we have

<u>Pieces of mail delivered in December by the US postal service</u>

7.14*10^{10}

<u>Pieces of mail delivered in January by the US postal service</u>

3.21*10^{10}

To find the total mail delivered for these two months, sum the two quantities

so

7.14*10^{10}+3.21*10^{10}=(7.14+3.21)*10^{10}\\=10.35*10^{10} \\=(1.035*10)*10^{10} \\=1.035*(10* 10^{10})\\=1.035*10^{(10+1)} \\= 1.035*10^{11}

therefore

the correct solution is 1.035*10^{11}

the error is in this part

10.35*10^{10}

To move decimal over one place 10 to the power of 10 should be 10 to the power of 11

1.035*10^{10}

3 0
3 years ago
Order the number from greatest to least <br>3 1/3,3.34,300%​
Liula [17]

Answer:

3.34, 3 1/3 300%

6 0
3 years ago
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Simplify completely 3x+18/18 ...?
tankabanditka [31]
X = -1/3 should be it
6 0
3 years ago
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Solve for x 3(x + 4) = 21
Amanda [17]

Answer:

x=3

Step-by-step explanation:

3+4=7

3x7=21

4 0
3 years ago
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