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katrin [286]
3 years ago
11

Please help!!!! My assignment is almost due!!!

Mathematics
2 answers:
Roman55 [17]3 years ago
8 0
The anwser is 15 for sure
NeX [460]3 years ago
3 0

Answer:

15

Step-by-step explanation:

the triangles are similar so will be the same proprotion,

I have attached a picture showing how I solved this. the second traingle is 3 times as large (15 by 12)   compared to the first triangle which is 4 by 5.

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jarptica [38.1K]

Answer:

tan 5π/24.

Step-by-step explanation:

We use the identity:

tan (A - B) =   (tan A - tan B) / (1 + tan A tan B)

so the first expression simplifies to

tan ( π/3 -  π/8)

= tan 5π/24.

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3 years ago
Timothy bought 10 cookies for $5.00.
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Find the area of a parallelogram with the given vertices.
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Check the picture below

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Please help and show work!! Will give brainliest!!
marin [14]

With this one, since the problem says it will cost $35 per hour, then that will be based on the amount of hours spent on the job, so 35 gets the x, with x equaling the number of hours it took to do the job.  $78 is the cost for a part so it is going to stay at 78.  So your answer will be D.  35x+78≤225.

4 0
3 years ago
4 (-3-5) - (10+4x) helpppppp​
Lilit [14]

Answer:

The answer would be -4x - 42.

Step-by-step explanation:

Goal: Simplify the equation.

  1. You need to distribute the - sign where it isn't. So the equation should look like this now: 4(-3-5)+-1(10+4x).
  2. Now multiply -1(0+4x): (-1)(10) + -1(4x) to get 4(-3-5) +-10+-4x
  3. Now multiply 4(-3-5): (4)(-3)= -12 / (4)(5) = 20 / -12-20 = -32
  4. The equation should now look like: -32 + -10 + -4x
  5. Next, we need to combine like terms and since the like terms are -32 and -10, the equation should look like: -4x + (-32 + -10).
  6. Add -32 with -10: -32 + -10 = -42.
  7. You can't do anything with the -4x so therefore, the equation would be -4x - 42.
7 0
3 years ago
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