2 years ago

The area of a circle is 98. 74cm2. Find the length of the radius rounded to 2 DP

Mathematics

1 answer:

olga nikolaevna [1]2 years ago

5 0

Answer:

I believe it is 15.72cm.

Step-by-step explanation:

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The midpoint of (-4,15) and (22,3)

ahrayia [7]

Answer:

(9, 9)

Step-by-step explanation:

midpoint of (-4,15) and (22,3)

$= \bigg( \frac{ - 4 + 22}{2}, \: \: \frac{15 + 3}{2} \bigg) \\ \\ = \bigg( \frac{18}{2}, \: \: \frac{18}{2} \bigg) \\ \\ = ( 9, \: \: 9) \\ \\$

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3 years ago

3x3 – 19x2 + kx – 30<br> What is the value of k?

Citrus2011 [14]

Answer:

Let's simplify step-by-step.

(3)(3)−(19)(2)+kx−30

=9+−38+kx+−30

Combine Like Terms:

=9+−38+kx+−30

=(kx)+(9+−38+−30)

=kx+−59

Answer:

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2 years ago

By what number should you multiply the 1st equation to cancel the x's using the elimination method?

12345 [234]

Answer:

-3

Step-by-step explanation:

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3 years ago

Factor completely and then place the factors in the proper location on the grid. 4y 2 + 25y + 6

astraxan [27]

(4y + 1)(y + 6)
I don't know what you mean by proper location
It shouldn't matter what order the factors are in.

8 0

2 years ago

What is the largest integer that is below square root of 28?

Kryger [21]

Sqrt28 = 5.2915~
largest integer below = 5
(round down)

4 0

2 years ago

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