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e-lub [12.9K]
2 years ago
12

Julie has a jewelry box shaped like a cube. The volume of the jewelry box is v cubic inches. Part A: Write an expression that re

presents the edge length of Julie’s jewelry box in inches.
Mathematics
1 answer:
ELEN [110]2 years ago
5 0

Answer:

∛v

Step-by-step explanation:

As you already should know, volume is measured by hwl (height • width • length), we know the equation we'd use here would be:

___ x ___ x ___ =  v in³

If this was area, we would have ___ x ___ = v in², and it would be easy to find each blank. You would just find the square root of "v", making your answer √v.

When you have 3 things multiplied by each other (that are exactly the same, which is the situation here since this is a cube), you will want to find ∛x (if x is our unknown variable). This means that we are finding ONE-THIRD of the number ... sort of. So if x was equal to 8, then ∛x = 2, because 2 x 2 x 2 = 8.

Thus, x = v, and since we don't know the actual number, we will keep it as a square root, so the answer to your question is ∛v.

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3 years ago
Mildred bought 2-cent stamps, 4-cent stamps, and 5-cent stamps for $4.35. The number of 2-cent stamps exceeded the number of 5 c
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5 cent = 0.05x

<span><span>2 cent  </span>= 0.02(x+50)</span>

4 cent = 0.04(2x-10)

 

0.05x + 0.02(x+50) + 0.04(2x-10)

0.05x + 0.02x +1 + 0.08x -0.4 = 4.35

0.15x +0.6 = 4.35

0.15x = 3.75

X = 3.75 / 0.15 = 25

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8 0
3 years ago
The piano measures 19/4 ft long, she has a 5 ft space.does she have enough room
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An 8-sided die is formed when two square pyramids are attached by their bases. The perimeter of the base shape is 6 centimeters.
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1. Check the picture attached. Consider the half of the 8-sided die, that is the pyramid ABCDE:

2. The perimeter of the base is 6, so each side of the base is 6/4=3/2

3. The distance between the tallest points is 2 cm, si the height of Pyramid ABCDE is 1 cm.

4. Consider the right triangle EOM in the figure:

EO=1, OM= 3/4 (it is half of AB=3/2) and EM is the hypothenuse, so by the pythagorean theorem length of EM is \sqrt{1+ ( \frac{3}{4} )^{2} }=  \sqrt{1+ \frac{9}{16} }= \sqrt{ \frac{25}{16} }= \frac{5}{4} (cm)

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6 0
3 years ago
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