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Luba_88 [7]
3 years ago
12

Please help me with this

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0
The answer is B. -3 because that's x and you add them together and get greater than.
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‼️GEOMETRY‼️
ella [17]

Answer:

A.) 1018 square inches

Step-by-step explanation:

The largest sphere will have a diameter equaling the length of the cube (see picture).

If the side length of the cube is 18 inches, the diameter of the sphere is also 18 inches. Use the surface area formula for a circle:

SA=4\pi r^2

For this formula, we need the radius of the sphere. Divide the diameter by 2:

\frac{18}{2}=9

The radius is 9 inches. Plug this into the equation:

SA=4\pi *9^2

Simplify the equation:

SA=4\pi *81\\\\SA=324\pi \\\\SA=1017.87

Round the result to the nearest whole number:

1017.87 → 1018

The surface area is 1,018 inches².

:Done

Picture:

In a 2D version, we can clearly see that if the circle fits snuggly inside of the square, the diameter of a sphere is the same as the length of a side of the cube.

6 0
2 years ago
the bases of a trapezoid have lengths of 8 feet and 14 feet. Find the length of the midsegment of the trapezoid .
LiRa [457]

Answer:

11 ft

Step-by-step explanation:

The midsegment is 1/2 of the top and bottom segments

1/2(8+14)

1/2(22) = 11

5 0
3 years ago
The sum of 5x and 2x is at least 14
tatuchka [14]

5x+2x>= 14

7x>= 14

divide by 7

x>=2

6 0
3 years ago
Read 2 more answers
A family has 8 girls and 4 boys. A total of 3 children must be chosen to speak on the behalf of the family at a local benefit. W
yawa3891 [41]
A family has 8 girls and 4 boys. A total of 3 children must be chosen to speak on the behalf of the family at a local benefit. What is the probability that no girls and 3 boys will be chosen?
D. 1/55.<span />
6 0
3 years ago
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Which expression is equivalent to (1/16)^-4<br> Pls help 30 points timed
worty [1.4K]
The first one! It is using the distributive or associative property!
7 0
2 years ago
Read 2 more answers
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