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Darya [45]
2 years ago
10

I don't know the answer to this and I've been stuck on it for a while now. Please can someone answer this

Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
8 0
Multiply each term by 8 ( to get rid of the fractions) 
we get:-
-72 = -16 - k

k = -16 + 72 = 56 answer
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Help me im just too lazy to figure it out :)
goldenfox [79]

Answer:

m= -16

Step-by-step explanation:

you would add 19 to -35 because you are trying to isolate the variable m.

7 0
3 years ago
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What happens to the Law of Cosines if the known angle is 90 degrees?
poizon [28]

Answer:

See below.

Step-by-step explanation:

It transforms  to the Pythagoras theorem.

c^2  = a^2 + b^2 - 2ab cos C

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c^2  = a^2 + b^2 - 2ab * 0

c^2 = a^2 + b^2.

8 0
3 years ago
Given the Arithmetic sequence A1,A2,A3,A4 53, 62, 71, 80 What is the value of A38?
Murrr4er [49]

Answer:

A_{38}  = 350

Step-by-step explanation:

The 5th term of the arithmetic sequence is 53. We can write the equation:

a + 4d = 53...(1)

The 6th term of the arithmetic sequence is 62. We can write the equation:

a + 5d = 62...(2)

Subtract the first equation from the second one to get:

5d - 4d = 62 - 53

d = 9

The first term is

a + 4(9) = 53

a + 36 = 53

a = 53 - 36

a = 17

The 38th term of the sequence is given by:

A_{38} = a + 37d

A_{38}  = 17+ 37(9)

A_{38}  = 350

3 0
2 years ago
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Can anyone simplify this equation? 8^2+9(12÷3×2)- 7
Vinvika [58]

Answer:129

Step-by-step explanation:

6 0
3 years ago
Please answer this math question for me
finlep [7]
60 degrees
Right angles add up to 90 so 90-30=60
6 0
2 years ago
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