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solong [7]
4 years ago
12

What is the best approximation for the circumference of a circle with a radius of 125 m?

Mathematics
2 answers:
miskamm [114]4 years ago
5 0
Forumla for circumference is
pi x diameter
or
 pi x 2 x radius
so we are going to use the second formula to estimate the answer without a calculator.
3 x 2 x 125
3 x 2 =6
6 x 125 = 750.
the closest answer is 785m. That is the answer.
zmey [24]4 years ago
4 0

Answer:

(B) 785m

Step-by-step explanation:

It is given that the radius of the circle is 125m and we have to find the circumference of the circle.

Then, the circumference of the circle is calculated as:

Circumference=2{\pi}r

Circumference=2(3.14)(125)

Circumference=785m

Thus, the circumference of the circle is 785m.

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What is the measure of arc HI?
gogolik [260]

Answer:

D. 62˚

Step-by-step explanation:

4 0
3 years ago
a first number is 6 more than a second number. the first number multiplied by 2 is 8 more than the second number. what are the t
Andreas93 [3]

Answer:

-2 (negative 2)

Step-by-step explanation:

8÷2 =4

4-6 = -2

hope this helps

4 0
3 years ago
Can someone please help me factor and write the equations for these two problems ?
prisoha [69]

Answer:

Step-by-step explanation:

Asymptotes 3

g(x) = \frac{3x}{x^2-3x-10}

Factors of denominator will be,

x² - 3x - 10 = x² - 5x + 2x - 10

                 = x(x - 5) + 2(x - 5)

                 = (x + 2)(x - 5)

Therefore, factored form of g(x) will be,

g(x) = \frac{3x}{(x + 2)(x - 5)}

Asymptotes 4

h(x) = \frac{(x-5)}{x^{2} + 14x + 40}

      = \frac{x-5}{x^{2}+10x+4x+40}

      = \frac{x-5}{x(x+10)+4(x+10)}

      = \frac{x-5}{(x+10)(x+4)}

5 0
3 years ago
How many terms are in the arithmetic sequence 9, 2, −5, . . . , −187?
Fantom [35]
9, 2, -5... so is going down by 7 each time, meaning the "common difference" is -7.

\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
a_1=9\\
d=-7\\
a_n=-187
\end{cases}
\\\\\\
-187=9+(n-1)(-7)\implies -187=9-7n+7
\\\\\\
7n=9+7+187\implies 7n=203\implies n=\cfrac{203}{7}\implies \boxed{n=29}
4 0
3 years ago
Whats 87 + 72 tenths
Alchen [17]

Answer:

94.2

Step-by-step explanation:

google and simple addition

8 0
3 years ago
Read 2 more answers
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