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Andrews [41]
3 years ago
9

Please help and explain????????????​

Mathematics
1 answer:
Maru [420]3 years ago
6 0

Answer:

what grade is this I might know it

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7:5 is equivelnt to 21: complete the statement to show a equivelent ratio
prisoha [69]
7:5 = 21:15

explanation : to get 21, multiply 7 by 3. since 7 is multiplied by 3, then you multiply 5 by 3 too. and you get 15.
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3 years ago
I NEED THIS ANSWERED ASAP
Nat2105 [25]

Answer: B

Step-by-step explanation:

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2 years ago
One angle of a rhombus is 108 degrees and the shorter diagonal is 9 inches long. How long is the side of the rhombus
valkas [14]
Now, for a rhombus, all sides are the same length, and the diagonals bisect the vertex they cut, so they cut them in halves, and they also meet at right-angles, and cut each other in halves as well

that means, if the angle is 108, the shorter diagonal will cut that in two equal angles, of 54 each, check the picture below

and since they each other cut in halves where they meet, one side of the shorter diagonal will then be half of 9, or 9/2 or 4.5

since the angle is in degrees, make sure your calculator is in Degree mode

8 0
4 years ago
PLEASE ANSWER + BRAINLIEST!!!
scoray [572]
Using the law of Cosines:

c^2 = 10^2 + 8^2 - 2*10*8*cos(105)

c^2 = 205.41
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3 years ago
Four college roommates rented an apartment together. When they
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