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liraira [26]
2 years ago
5

C. 3.14 is the circumference of a circle with a radius of 1. True or false

Mathematics
2 answers:
Maru [420]2 years ago
5 0

Answer:

False

Step-by-step explanation:

The equation of any circle is 2πr or 2(3.14)1 in this question.

So 2x3.14= 6.28x1=6.28

Helga [31]2 years ago
4 0

Answer:

False

Step-by-step explanation:

C = 2πr so radius of 1 would give a circumference of 2π or 6.28

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En considérant que DE est
skad [1K]

Answer:

si

Step-by-step explanation:

5 0
3 years ago
janice invests a total of 8000 in two different accounts. the first account returns 5%, while the second account returns 8%. if
Zinaida [17]

Answer:

"She invested $2500 in 5% account and $5500 in 8% account"

Step-by-step explanation:

Let the amount invested in 5% account be "x"

So, the amount invested in 8% account would be "8000 - x"

Interest amount is the percentage multiplied by amount invested. So

Interest of 5% account = 5% of x = 0.05x

Interest of 8% account = 8 % of 8000 - x = 0.08(8000 - x)

Total interest is the sum of these 2 expressions that EQUATES to 565 (given). Let's solve for x:

0.05x + 0.08(8000 - x) = 565\\0.05x+640-0.08x=565\\0.03x=75\\x=2500

and thus,

"8000 - x" = 8000 - 2500 = 5500

Hence,

She invested $2500 in 5% account and $5500 in 8% account

6 0
3 years ago
This is a problem involving absolute value<br> |-3| - |-17| =
den301095 [7]
That means the same as 3-17 so the answer is -14
7 0
3 years ago
Read 2 more answers
So i know g(x)=3k-2x² and g(-3)=-6<br> how do i know what g(x) ad k are?
schepotkina [342]

Answer:

find k by putting -3 where there is x than -6 on g(x)

Step-by-step explanation:

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-6+18=3k

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8 0
3 years ago
A vehicle travels a distance of 5t4 − 10t2 + 6 miles in t + 2 minutes.
Dvinal [7]

Answer:

Step-by-step explanation:

5 0
3 years ago
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