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Dimas [21]
3 years ago
8

Anyone could help me on this ?

Mathematics
1 answer:
Alika [10]3 years ago
3 0

ARE PARALLEL !

AS plane FGD IS AT THE BOTTOM OF THE CUBE

AND PLANE IKJ IS AT THE TOP OF THE CUBE

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The sum of a number and thirteen is fifteen. Find the number.
galben [10]

Answer:

2. You take 15 and subtract it by 13 which equals 2.

Step-by-step explanation:

8 0
3 years ago
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What is X in this equation?<br> 3x+55=9x-5<br><br>Please Explain.​
klasskru [66]

Answer:

x = 10

Step-by-step explanation:

3x + 55 = 9x - 5  (add 5 to both sides)

3x + 55 + 5 = 9x - 5 + 5

3x + 60 = 9x  (subtract 3x from both sides)

60 = 9x - 3x

60 = 6x (rearrange)

6x = 60   (divide both sides by 6)

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4 years ago
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A vendor at a street fair sells popcorn in cones, all of height 9 inches. The
Tatiana [17]

Answer:

The sharing cone holds about 9 times more popcorn than the skinny cone.

Step-by-step explanation:

The volume of a cone is given by the following formula:

V = \frac{\pi r^{2}h}{3}

In which r is the radius and h is the height.

Two cones:

Both have the same height.

The sharing-size cone has 3 times the radius of the skinny-size cone.

Skinny:

radius r, height h. So

V_{sk} = \frac{\pi r^{2}h}{3}

Sharing size:

radius 3r, height h. So

V_{sh} = \frac{\pi (3r)^{2}h}{3} = \frac{9\pi r^{2}h}{3} = 3\pi r^{2}h

About how many times more popcorn does the sharing cone hold than the skinny cone?

r = \frac{V_{sh}}{V_{sk}} = \frac{3\pi r^{2}h}{\frac{\pi r^{2}h}{3}} = \frac{3*3\pi r^{2}h}{\pi r^{2}h} = 9

The sharing cone holds about 9 times more popcorn than the skinny cone.

3 0
3 years ago
the price of jet fuel in north america during the last week of 2012 was recorded as $3,062 for 1,000 gallons. What was the unit
Andrews [41]
$3,062 for 1,000 gallons

3062 ÷ 1000 = <span>3.062

Unit rate:- $3.062  per gallon</span>
6 0
4 years ago
Solve. 45 – 4r = 45 – 4r
vodomira [7]

This answer can be any real number, as both sides are equal to each other. Try inserting different numbers in here, and you should realize any of them would work

7 0
4 years ago
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