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Arte-miy333 [17]

2 years ago

6

Suppose the circumference of a circle is \color{blue}{16\pi}16πstart color blue, 16, pi, end color blue. what is its radius?

1 answer:

Sauron [17]2 years ago

3 0

<span>The circumference of a circle is equal to its diameter multiplied by pi. Since the circumference here is 16*pi, the diameter of the circle is 16 units. The diameter of a circle is two times the radius, so we divide 16 in half and find our result that the radius is 8 units.</span>

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3 years ago

Read 2 more answers

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Levart [38]

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2 years ago

The Ratio of two numbers is 3/5, and their sum is 104. What are the 2 numbers?

Rom4ik [11]

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39 and 65

Step-by-step explanation:

the ratio of the two numbers is 3 : 5

sum the parts of the ratio, 3 + 5 = 8 parts

divide the sum by 8 to find the value of one part of the ratio

104 ÷ 8 = 13 ← value of 1 part of the ratio , then

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1 year ago

Write an equation for the nth term of the arithmetic sequence.

tresset_1 [31]

Answer:

<h3> $\bold{a_n=6n-3}\\\\\bold{a_{50}=297}$ </h3>

Step-by-step explanation:

3, 9, 15, 21, ...

9-3 = 6; 15-9 = 6; 21-15 = 6 ⇒ d = 6

first term: a = 3

difference: d = 6

so the formula:

$a_n=a+d(n-1)\\\\a_n=69+6(n-1)\\\\a_n =3+6n-6\\\\\underline{a_n=6n-3}$

and:

$a_{50}=6\cdot50-3=300-3=297$

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2 years ago