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kap26 [50]
2 years ago
6

7th grade math, circles and ratios. I don't get it.

Mathematics
1 answer:
OverLord2011 [107]2 years ago
3 0

Step-by-step explanation:

calculate the area of the shape(s) on the inside and then the area of the sphape on the outside, then subtract the inside's area from the outside shape. im still working on this one, check back in a bit.

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7 less than a number<br><br> A 7-x<br> B 7x<br> C 7 divided x<br> D x-7
asambeis [7]
The answer is d x-7 because it's seven less than a number
3 0
3 years ago
????????????????????????<br> I’m so bad at math lol
RUDIKE [14]

Answer:

-1/2 is the slope

Step-by-step explanation:

slope = rise over run

-1 rise for every 2 run

7 0
3 years ago
Why is 6/8 greater than 5/8 but less than 7/8
My name is Ann [436]
Simple!

Since we can observe that they all have the same denominators (bottom part) we can just observe the numerator (top part)

6 is indeed greater than 5, yes? So we can safely say that

6/8 > 5/8

Now the for the second part. 

6 is smaller than 7, yes? So we can make the observation that

6/8 < 7/8

Hope that makes sense! (Be sure to thank me, plz)

P.S. If you want an example of unlike denominators, let me know. <span />
7 0
3 years ago
The perimeter of a stop sign has a perimeter of 16x2 - 80x. What is the length of one side?
uranmaximum [27]
Since a stop sign is an octagon it has eight sides.  So the perimeter will be:

p=8x,  p=perimeter and x=side length.  We are told that the perimeter is equal to:

16x^2-80x so we can say:

16x^2-80x=8x subtract 8x from both sides

16x^2-88x=0  factor out 8x

8x(2x-11), since we know x>0

x=11/2

x=5.5 units
7 0
3 years ago
Carly uses the shipping box in the shape of a rectangular prism as shown in the diagram to mail a present to her grandmother. Wh
Diano4ka-milaya [45]
This is the concept of volumes of solid figures;
volume=length*width*height
the dimensions of our figure is:
length=15 1/2 in=31/2 in
width=10 1/4 in=41/4 in
height= 12 in
thus the volume will be:
volume=(31/2*41/4*12)
volume=1906 1/2 in^3
the answer is 1906 1/2 in^3
7 0
3 years ago
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