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4 years ago

10

Which phrase BEST describes the construction shown? A) center of a circle B) line segment bisector C) tangent to a circle at a p

oint D) perpendicular to a point on a line

1 answer:

Ede4ka [16]4 years ago

3 0

Answer:

C) tangent to a circle at a point

Step-by-step explanation:

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What is the volume of the following rectangular prism?

Marianna [84]

Answer:

The volume is 7.9 units

Step-by-step explanation:

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4 years ago

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chose the answer that best completes the sentence. If you know a root of a function is -2+square root of 3t, then ___? A.) 2+squ

Temka [501]

Answer:

D. -2 - (square root of 3) is a known root

Step-by-step explanation:

It’s D on edge

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4 years ago

A number tripled and tripled again is 729

Kitty [74]

3a x 3=729
9a=729
--- -----
9 9
a=81

The number is 81.

Check: 3(81)x3=729

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4 years ago

The volume of a cylinder is 54π cubic inches and the height is 6 inches. Find the radius.

Anika [276]

Answer:

The radius of the cylinder is 3 inches.

Step-by-step explanation:

For any given cylinder, the volume can be expressed as:

volume = $\pi$ $r^{2}$ h

where r is the radius of its circular surface, and h is its height.

Given that: volume = 54π cubic inches, and the height = 6 inches.

then,

54 $\pi$ = $\pi$ x $r^{2}$ x 6

54 $\pi$ = 6 $\pi$ $r^{2}$

$r^{2}$ = $\frac{54\pi }{6\pi }$

= 9

r = $\sqrt{9}$

r = 3

The radius of the cylinder is 3 inches.

8 0

3 years ago

Five times a number is the same as 30 more than 8 times the number. Find the number. If n is "the number," which equation could

Sergeu [11.5K]

Answer:

C. 5n = 8n + 30

Step-by-step explanation:

5 times a number = 5n

30 more than 8 times a number = 30 + 8n

If those expressions are equal, then:

5n = 8n + 30

5 0

3 years ago