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dimulka [17.4K]
3 years ago
13

a graphic designer wants to know the number of regions that are formed when circles overlap in particular. can she find a rule t

hat describes how the number of regions increases when another circle is added to the design? how many regions would a design with 6 circles create?

Mathematics
1 answer:
kumpel [21]3 years ago
3 0

Answer:

A. 2

Step-by-step explanation:

Its successive multiples and it increases:

+2, +4, +6, +8

it increases by 2 every time which is successive multiples so the answer is A, 2.

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I need help, please and thank you.
Arturiano [62]

Answer:

Step-by-step explanation:

/lkEVDBUI;KJ/ LRVNIACS'J

doing this for the points hahahahaha

5 0
3 years ago
The side length of a cube is represented by s as shown in the equation below.
Gekata [30.6K]

Answer:

7 and -7

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
If sec theta = - √30 / 3, find cos theta.<br> if sin(-theta) = -0.97, find cos (π/2 - theta).
Cloud [144]

Step-by-step explanation:

\cos \theta  =  \frac{1}{ \sec\theta }  =  -  \frac{3}{ \sqrt{30} }  =  -  \frac{3 \sqrt{30} }{30}   =  -  \frac{ \sqrt{30} }{10}

\cos( \frac{\pi}{2} -  \theta )=  \cos \frac{\pi}{2}  \cos \theta  +   \sin \frac{\pi}{2}  \sin \theta

Note that

\sin( - \theta) =  -  \sin \theta

\cos \frac{\pi}{2}  = 0 \:  \:  \:  \:  \:  \sin \frac{\pi}{2}  = 1

Therefore,

\cos( \frac{\pi}{2} -  \theta )  = 0.97

5 0
3 years ago
If 4/5 of the population of a certain town is
kkurt [141]

Hi! I'm happy to help!

Our town is composed of 2,000 people. Of those 2,000 people, 4/5 of them are middle class. The word 'of' usually means multiplication when it is in a word problem. So, we will multiply 2,000 by 4/5. When multiplying a whole number, we just multiply it by the numerator (top) and leave the denominator. (bottom)

2,000×4

8,000

8,000/5

Fractions are just a different way of putting division, so we can change this to a division problem:

8,000÷5=

1,600

1,600 of the people are middle class.

I hope this was helpful, keep learning! :D

8 0
2 years ago
Find the unknown area
grin007 [14]

Answer: 81 mm^2

Step-by-step explanation: All the sides are the same length and area is just length * width so 9*9=81. You're welcome

8 0
3 years ago
Read 2 more answers
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