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I am Lyosha [343]
3 years ago
11

Explain how to solve the following system of equations. what is the solution to the system? 2x+2y+z =-5

Mathematics
1 answer:
Travka [436]3 years ago
8 0
Please insert your equation number
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The volume of a cubed shaped music box is 512 cubic centimeters find the surface area of the music box
AfilCa [17]

The surface area of music box is 384 square centimeter

<em><u>Solution:</u></em>

Given that,

Volume of cubed shaped music box = 512 cubic centimeter

To find: Surface area of music box

<em><u>The volume of cube is given as:</u></em>

volume = a^3

Where, "a" is the length of side

Therefore,

512 = a^3

Taking cube root on both sides,

a = \sqrt[3]{512}

a = \sqrt[3]{8 \times 8 \times 8}\\\\ a = \sqrt[3]{8^3}

a = (8^3)^{\frac{1}{3}}

a = 8

Thus length of side of cube is 8 cm

<em><u>Find surface area of cubed shaped music box</u></em>

<em><u>The surface area of cube is given as:</u></em>

A = 6a^2

Substitute a = 8 in above formula

A = 6(8)^2\\\\A = 6 \times 64\\\\A = 384

Thus surface area of music box is 384 square centimeter

8 0
3 years ago
What is the best way to learn percentage?
juin [17]

Answer: To write a percentage as a decimal, simply divide it by 100. For example, 50% becomes 0.5, 20% becomes 0.2, 1% becomes 0.01 and so on. We can calculate percentages using this knowledge. 50% is the same as a half, so 50% of 10 is 5, because five is half of 10 (10 ÷ 2).

Step-by-step explanation:

5 0
2 years ago
The figure below is made of two sizes of rectangular prisms one type of prism measures 3 inches by 6 inches by 14 inches. The ot
Anni [7]
The complete question in the attached figure

we know that
[volume of a prism]=L*W*H

<span>first type of prism measures 3 inches by 6 inches by 14 inches
</span>then
[volume first type of a prism ]=3*6*14----------> 252 in³

second type of prism measures 15 inches by 5 inches by 10 inches
then
[volume second type of a prism ]=15*5*10----------> 750 in³

[volume of the figure]=2*[volume first type of a prism ]+[volume second type of a prism ]

[volume of the figure]=2*252+750---------> 1254 in³

the answer is 1254 in³

4 0
3 years ago
2. Find the value of each variable.<br> (1 point)<br> (y + x)<br> 2xx(y-2)
creativ13 [48]
I think u just set them equal to each other
4 0
2 years ago
Which statement regarding the dismal ram is true?
erik [133]

your 2nd answer is true. since your measure of the two bottom angles which are angles KML and MLk has to equal the measure of the angle outside the triangle. to the 2nd answer choice is true

3 0
3 years ago
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