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3 years ago

Solve 4x + 18=24 what is x equal to

Mathematics

2 answers:

BaLLatris [955]3 years ago

4 0

Answer:

x=3/2

Step-by-step explanation:

4x+18=24

4x=24-18

4x=6

x=6/4

simplify

x=3/2

vazorg [7]3 years ago

3 0

Answer: 4x+18=24

First move 18 to other side (24-18), left with 4x=6

Divide both sides by 4 to be left with x=6/4 & reduce that fraction down to 3/2

Step-by-step explanation:

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3 years ago

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A circle with area 100π has a sector with a central angle of 2/5π radians.

Snowcat [4.5K]

Answer:

20π square units

Step-by-step explanation:

The sector area is found using the proportion ...

sector area / circle area = sector angle / whole circle angle

Multiplying by "circle area", we get ...

sector area = (circle area)( sector angle / whole circle angle)

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2 years ago

Find the ratio of the volume of one sphere to the volume of the right cylinder

yarga [219]

Answer:

Step-by-step explanation:

<em>Let $r$ be the radius of one sphere.</em>

Volume of sphere is $V=\frac{4}{3}\pi r^3$

Since radius is r, the height of the cylinder will be $4r$

Also, the cylinder has the same radius as the sphere: $r$

Volume of Cylinder is $V=\pi r^2 h$

Plugging in the values we get: $V=\pi (r)^{2}(4r)=4\pi r^3$

<u>Ratio of volume of 1 sphere to volume of cylinder is</u>:

$\frac{\frac{4}{3}\pi r^3}{4\pi r^3}=\frac{\frac{4}{3}}{4}=\frac{4}{3}*\frac{1}{4}=\frac{1}{3}$

The ratio is 1:3

Answer choice B is right.

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3 years ago

Question 25 the sum of three numbers is 79 . the second number is 9 less than the first. the third number is 2 times the first.

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The scale factor of dilation is 1/2 or
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