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3 years ago

7,7.5,8,8.5,9 common difference

Mathematics

2 answers:

raketka [301]3 years ago

3 0

Answer:

$0.5$

Step-by-step explanation:

$9-8.5$

$=0.5$

zhannawk [14.2K]3 years ago

3 0

Answer:

Step-by-step explanation:

subtract 7 from 7.5 to get .5

to prove your answer subtract 8.5 from 9

subtract any from the left to the one to the immediate right to get .5

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Can you please show me how to calculate the volume for each prism?

larisa [96]

Answer:

1st: volume = long x wide x high = 7 x [sqrt(25^2-7^2)] x 4 = 7 x 24 x 4 = 672

2nd: volume = area of base(circle) x high = pi x 9^2 x 8 = ~ 2035.8

3rd = volume = area of base(triangle) x high = [sqrt(3)/4] x 14^2 x 20 = ~1697.4

8 0

3 years ago

Help, I still cannot wrap my head around this

atroni [7]

Answer:

9 inches.

Step-by-step explanation:

Fun question! The length of a space diagonal for a cube is $\sqrt{3*sidelength^2}$

Thus, the first cube has a side diagonal of $\sqrt{3}$

The next cube would have a side diagonal of 3

The third cube would have a side diagonal of $3\sqrt{3}$

And the fourth cube would have a side diagonal of 9.

Since the fifth cube has a side length equal to the side diagonal of the fourth cube, it should be 9 inches.

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3 years ago

I need some help, doing a review from a couple chapters ago and I don't remember this

telo118 [61]

Answer: d=-3

-7d+8<29

-8 -8

-7d<21

-7d/-7<21/-7

d<-3

5 0

3 years ago

X+2x^1/2 -63 solve for x

AysviL [449]

You factor this out. So x+2x^(1/2)-63. Factors into (x^(1/2)+9)(x^(1/2)-7). If you distribute it, you can see it gives you your original equation

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3 years ago

Sam has 12 black-and-white photos and 18 color photos.He wants to put the photos in equal rows so each row has either black-and-

zalisa [80]

He can make 15 rows of 2

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3 years ago

Read 2 more answers