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mafiozo [28]
3 years ago
14

I need help solving number 8. please show step by step. Solve

Mathematics
1 answer:
Papessa [141]3 years ago
8 0

Answer:

x=17

Step-by-step explanation:

LM=3x+18

LO=2LM=2(3x+18)=6x+36

LO=9x-15

Set them equal to each other.

6x+36=9x-15

-3x+36=15

-3x=-51

x=17

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iragen [17]

Answer: 20% is your answer


Step-by-step explanation:

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7 0
3 years ago
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Korvikt [17]

Answer:

I believe the answer is A. 15-(3xy)

Step-by-step explanation:

The expression you are given is 15-(yx3) and option A is 15-(3xy). All they did was flip the values in the parentheses. It doesen't matter what value is first because the negative sign will be distributed to everything in the parentheses.

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8 0
2 years ago
Please include work
OLga [1]

Answer:

9.     6k + 5 and 2k - 1.

10.    5√2 .

Step-by-step explanation:

9.    Area = 12k^2 + 4k - 5

Factoring:

12k^2 - 6k + 10k - 5

= 6k(2k - 1) + 5(2k - 1)

= (6k + 5)(2k - 1)

So the required lengths are 6k + 5 and 2k - 1.

10.  The ratio of a leg to the hypotenuse is  1: √2 so if the hypotenus = 10 the length of a leg is 10 / √2  

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7 0
3 years ago
A cheetah can run up to 75 miles per hour how many yards per minute is this
Nataly [62]
75 miles per hour means,
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6 0
3 years ago
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Dmitry_Shevchenko [17]

Answer:

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