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MArishka [77]
3 years ago
12

Where does the 1 come from in this problem? The one that is under 1-r. We needed to solve for a? I'm just not sure why they put

the 1​

Mathematics
1 answer:
galina1969 [7]3 years ago
7 0
1-r 253 I’m going on a run 1 r to the store and the other slides I gotta was a great full day and
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Find the 8th term of the geometric sequence 4 , − 20 , 100
fgiga [73]

Answer:

− 312500

Step-by-step explanation:

Whenever looking at sequences, you have to attempt to find a common factor between the members of that sequence, be it the difference between them, a common divisor, a common multiplier, etc. In this case, we can see that if we divide each member by the previous one, we get a the same number:

100/-20 = -5

-20/4 = -5

So our sequence, starting at 4 is represented by the following recursive equation:  

Hope this helps. :D

7 0
2 years ago
The circular play area has a diameter of 16 feet. There is a walkway that surrounds the play area and is 3 feet wide. What is th
patriot [66]

Answer:

If you use 3.14 as an approximation for PI, the answer will be A) 179 sq. feet.

Step-by-step explanation:

The process to determine the area of the sidewalk is computed by figuring the area of the outer circle (Diameter = 16' + 3' + 3') and subtracting the area of the fountain (Diameter = 16') from that.

Area of Circle = PI times Radius squared

Outer circle radius = (22 ft /2) = 11 ft

Area of outer circle (includes fountain area too) = 3.14 x 11 x 11 = 379.94 ~ 380

Inner circle radius = (16 ft / 2) = 8 ft

Area of Fountain = 3.14 x 8 x 8 = 200.96 ~ 201

Area of sidewalk =  380 - 201 =  179

Read more on Brainly.com - brainly.com/question/11852368#readmore

4 0
3 years ago
Did panagea occur or is it a myth
Alexus [3.1K]
Yes it did occur it was just a very long time ago. As the earth grew and developed the countries separated and that is why they are spread all over the world now. Hope this helps.
4 0
3 years ago
Read 2 more answers
Negative 11/14 times negative (1/17)
JulijaS [17]

Step-by-step explanation:

-  \frac{11}{14}  \times  -  \frac{1}{17}  \\  =  \frac{11}{14 \times 17}  \\  =  \frac{11}{238}

Hope it will help :)

7 0
3 years ago
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Did you look at it you should you know
slamgirl [31]

Answer:

6*4,2*12...

Step-by-step explanation:

24=6*4,2*12...

6 0
2 years ago
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