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Georgia [21]
3 years ago
9

Use abc to find the value of cos B

Mathematics
1 answer:
krok68 [10]3 years ago
7 0
Cos of b equals c over a 
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A 21-inch piece of steel is cut into three pieces so that the second piece is twice as long as the first piece, and the third pi
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****hope this helps****

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What is 1 minus 1 divided by 5
slava [35]

Answer:

1-1/5= 0.8

Explanation:

1-1=0

0-5=0.8

8 0
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Which expression is equivalent to 2(-3x+5)?<br> A.-6x+5<br> B.-6x+10<br> C.6x-10<br> D.6x-5
pochemuha
B if you’re doing distributive property
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Find the prime factorization of the number 12​
Vsevolod [243]

First, you must use a factor tree to find the prime factors of the number.

                           12

                          /   \

                        6      (2)

                      /   \

                    (3) (2)

2 , 2 and 3 are the prime factors that make 12

2 x 2 x 3= 12

Or

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4 0
3 years ago
(9a^2 + 7a + 8) - (2a^2 + 5a + 1)
Sergio [31]

Answer:  7a^2+2a+7

Step-by-step explanation:Distribute the Negative Sign:

=9a2+7a+8+−1(2a2+5a+1)

=9a2+7a+8+−1(2a2)+−1(5a)+(−1)(1)

=9a2+7a+8+−2a2+−5a+−1

Combine Like Terms:

=9a2+7a+8+−2a2+−5a+−1

=(9a2+−2a2)+(7a+−5a)+(8+−1)

=7a2+2a+7

8 0
3 years ago
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