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Anon25 [30]
3 years ago
12

Find the circumference of a circle whose radius is 7.9. (Use 3.14)

Mathematics
1 answer:
Fantom [35]3 years ago
8 0
C = 7.9 x 2 x 3.14
The circumference is 49.612.

Hope this helps :)
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Can anyone help me with this?
Dmitriy789 [7]

Answer:

120 degrees is x

Step-by-step explanation:

because both are equal angles

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5 0
3 years ago
Identify the conclusion of the conditional statement.
gogolik [260]
<h2>Answer:</h2>

The conclusion of the given conditional statement is:

  •        You live in Arizona
<h2>Step-by-step explanation:</h2>

We know that a conditional statement is a statement in which with the help of some valid hypothesis we can reach to a valid conclusion.

The conditional statement is written in the form:

  If p then q

where p is the hypothesis of the statement

and q is the conclusion of the statement.

We are given a conditional statement as:

If you live in Phoenix, then you live in Arizona.

Here

Hypothesis--  You live in Phoenix

and Conclusion--  You live in Arizona

8 0
3 years ago
Read 2 more answers
A rectangular piece of gift wrap is 5.5 inches by 2.1 inches. What is the area of the gift wrap? ( hint: use A = lw
mart [117]
You're given that the formula for area is lw, and you're given the l and w values. So just plug them in. They have the same unit of measurement (inches) so you can just multiply. 

A = lw
A = (5.5)(2.1)
A = 11.55 in²
5 0
3 years ago
Manuel bought a balloon (that is a perfect sphere) with a radius of 2 \text{ cm}2 cm2, start text, space, c, m, end text. He wan
mote1985 [20]

Answer:

<h2>The required ratio is 8</h2>

Step-by-step explanation:

Volume of a sphere = \frac{4}{3}\pi  r^{3} where r is the radius of the sphere.

If manuel bought a balloon (that is a perfect sphere) with a radius of 2cm, the original volume of the sphere is expressed as;

Vo = \frac{4}{3}\pi  (2)^{3}

Vo  = \frac{4}{3}\pi *8\\Vo = \frac{32 \pi}{3}

If he wanted his balloon to be bigger and he blew 2 big breaths of air into the balloon, if each big breath increased the balloon's radius by 1cm, the total radius will be the initial radius of the sphere plus the new radius after expansion.

radius of current sphere = 2cm+(1cm+1cm) = 4cm

Volume of the current sphere Vc = \frac{4}{3}\pi  (4)^{3}

Vc = \frac{4}{3}\pi *64\\Vc = \frac{256 \pi}{3} \\

The ratio of the current volume of the balloon Vc to the original volume of the balloon Vo will be expressed as;

Vc/Vo = \frac{\frac{256\pi}{3} }{\frac{32\pi}{3} }

\frac{Vc}{Vo}=\frac{256\pi}{3}*\frac{3}{32\pi}   \\\frac{Vc}{Vo}=\frac{256}{32}\\\frac{Vc}{Vo}= 8

The required ratio is 8

3 0
2 years ago
A pie was cut into two equal pieces. Each of the pieces of pie was cut into halves again, and each of those smaller pieces was c
Verdich [7]

3/4

Step-by-step explanation:

If you cut a whole pie into two you get two (2) ½ pieces

1 ÷ 2 = ½

When you cut the two ½ pieces into two you get four (4) ¼ pieces;

½ ÷ 2 = ¼

When you cut the four ¼ pieces into two you get 8 1/8 pieces;

¼ ÷ 2 = ¹/8

Therefore the whole pie at this point is made up of 8 ¹/8 pieces. When two (2) of these pieces are eaten we are left with 6 ¹/8 pieces;

8 – 2 = 6

The portion of the pie left therefore is;

6 * ¹/8 pieces

= ⁶/8

= ³/4

8 0
3 years ago
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