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zepelin [54]
3 years ago
9

Help me plzz i really need the answer ​

Mathematics
1 answer:
Ne4ueva [31]3 years ago
4 0

Answer:

So you want to multiply each of the sides like you would with a rectangle.

Step-by-step explanation:

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How much does a glass cube with a side of 5-cm weigh if 1cm3 of glass weighs 2 2/5 grams?
PtichkaEL [24]

The weight of galss cube with side 5 cm is 300 grams

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

A glass cube is of side length 5 cm

Let us first find the volume of glass cube

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

volume = (side)^3\\\\volume =5^3 = 125

Thus volume of cube is 125 cm^3

Given that,

1 cm^3 = 2\frac{2}{5} \text{ grams }\\\\1 cm^3 =\frac{12}{5} \text{ grams}

So, weight of 125 cubic centimeter of glass cube is found by multiplying weight of 1 cubic centimeter of glass cube by 125

\text{ Weight of 125 } cm^3 \text{ cube } = \text{ Weight of 1 } cm^3 \text{ cube } \times 125

\text{ Weight of 125 } cm^3 \text{ cube } = \frac{12}{5} \times 125 = 25 \times 12 = 300

Thus weight of galss cube with side 5 cm is 300 grams

3 0
4 years ago
Read 2 more answers
What is the measure of \angle x∠xangle, x?<br> Angles are not necessarily drawn to scale.
krok68 [10]

Answer:

x=135°

Step-by-step explanation:

WZ is 180 degrees. Simply subtract 48 from 180.

180-45=135.

Hope this helps!

If not, I am sorry.

8 0
2 years ago
Solve the system of equations. Write you answer as an ordered pair.
lawyer [7]

Answer:

x = -4    y = -5

Step-by-step explanation:

2x + 3 = -x - 9

3x + 3 = -9

3x = -12

x = -4

y = - (-4) - 9

y = 4 - 9

y = -5

6 0
3 years ago
How much warmer is 82 than 40<br> How much warmer
frez [133]

Answer:

42 degrees warmer.

Step-by-step explanation:

82 - 40 = 42

good luck:)

3 0
3 years ago
Last question was wrong. Line l and line m are straight lines. What is the measure of angle y?
mafiozo [28]

y+43°= 180°( straight angle)

=>y= 180°-43°

=>y=137°

7 0
3 years ago
Read 2 more answers
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