2 years ago

Please help me i’ll give points

Mathematics

1 answer:

Umnica [9.8K]2 years ago

8 0

Answer:

A,B,D

Step-by-step explanation:

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Man i got no idea how to do this jumbo

Bingel [31]

Answer: x=8

How: 41 the triangles are mirrored, so they have the same angles. You are trying to find the bottom angle of the top triangle, which is the same as the top angle of the bottom triangle since they are mirrored. So, (5x+1) is equal to 41. 41-1 =40. 40/5=8. Boom.

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2 years ago

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An arithmetic series consists of consecutive integers that are multiples are of 4. What is the sum of the first nine terms of th

Mrac [35]

Answer: The answer is 144.

Step-by-step explanation: Let 'a' be the first term and 'd' be the common difference of the given arithmetic progression (A.P.).

According to the given information, A.P. is {0, 4, 8, 12, 16, . . .}, i.e., a=0 and d=4.

The sum of first n terms is given by

$S_n=\dfrac{n}{2}\{2a+(n-1)d\}.$