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andreev551 [17]
3 years ago
14

Help please im on my last question and need help

Mathematics
1 answer:
olga55 [171]3 years ago
8 0

I believe that the answer is A. 251 in.

this is because the diameter is 80. And to fimd the area/circumference of a circle you need to multiply the diameter times pi (3.14).

Hope this helped!

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(3.2 * 10000000) -3
andreev551 [17]

The exponents distribute over factors:

(ab)^c = a^c \times b^c

so, you have

(3.2 \times 10^6)^{-3} = 3.2^{-3} \times (10^6)^{-3}

Let's focus on each factor: applying the definition of negative exponents, you have

3.2^{-3} = \cfrac{1}{3.2^3} \approx 0.03

While for the power of 10, you can use the following rule

(a^b)^c = a^{bc} to write

(10^6)^{-3} = 10^{6\cdot (-3)} = 10^{-18}

So, the expression evaluates to

0.03\times 10^{-18} = 3\times 10^{-20}

3 0
4 years ago
Help pls?? i have no clue what slope intercept forms are lol
Wittaler [7]

Answer:

See below.

Step-by-step explanation:

The form for slope intercept is y=mx+b, with m being the slope and b being the y-intercept.

In this case, 1/3 is the slope, and -2 is the y-intercept.

The following statements are true:

The line passes through (0,-2).

The line passes through the origin.

-hope it helps

3 0
3 years ago
Joey can walk at a rate of 3 meters per second. How long would it take him to walk 300 meters.
galina1969 [7]

Answer:

100s

Step-by-step explanation:

4 0
3 years ago
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Which postulate, if any can be used to prove the triangles congruent
Wewaii [24]

Answer:

sss

Step-by-step explanation:

7 0
3 years ago
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Complete the table <br><br> A- 5, 6, 7, 8, 9 <br><br> B- 3.8, 4.6, 5.4, ____, ____,
Citrus2011 [14]
The common difference of the data set of A is 1. While the common difference in the data set of B is 0.80

B.) 3.8 + 0.80 = 4.60
      4.6 + 0.80 = 5.40
      5.4 + 0.80 = 6.20
      6.2 + 0.80 = 7.00
5 0
4 years ago
Read 2 more answers
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