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Katyanochek1 [597]
3 years ago
7

Help me please!! I forgot how to do it!

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0

Answer:

i think the answer is 79

Step-by-step explanation:

im not really sure,

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GIVEAWAY!! QUICK QUESTION!!!
Dmitry [639]

Answer:

<u>-2</u>

Step-by-step explanation:

<u>Given</u> :

  • An example of a coefficient ⇒ '11' in 11kk

<u>Solving</u> :

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  • Therefore, on solving -k - k
  • ⇒ -2k
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7 0
2 years ago
Read 2 more answers
In this circle, the area of sector COD is 50.24 square units.
Bezzdna [24]

Answer:

Radius = 8 units

Length of arc AB = 8.37758 units

Step-by-step explanation:

The sector COD is 1/4 the size of the circle.

the vertex angle is 90° and a circle has 360° at the center.

So the area of sector COD/area of Circle = 90/360 = 1/4

This means the area of the circle is 4 * 50.24 = 200.96 square units

Area of circle = πr² where r is the radius
πr² = 200.96

r² = 200.96/ π = 63.9676 ≅ 64
Therefore r = √64 = 8 units

The circumference of the circle is 2πr = 16π units

arc AB has a vertex angle of 30°.

30°/360° = 1/6

So the length of the arc is 1/6th the circumference of the circle =

(1/6) * 16π  = 2.67π  units or 8.37758 units

3 0
2 years ago
Over the next 3 days Mrs. Messer would like to write 27 thank you cards. How many cards will she need to write each day in order
shutvik [7]

Answer:

9 Cards

Step-by-step explanation:

9 Cards a day equals 27 cards in 3 days

7 0
2 years ago
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The choir director set up chairs for the concert with in a square with an equal number of rows and columns. The number of chairs
sp2606 [1]
8 chairs, 8 squared is 64,ie the amount of chairs in total
6 0
3 years ago
What is the answer ?
Sonja [21]

Answer:

<em>Your answer should be A.</em>

Step-by-step explanation:

8 0
3 years ago
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