Acity orchestra invests $5200 at 6% simple interest. how much is in the account after 1/2 year?

1) the  amount  in the account to the end of 1/2 year is  M , for calculate it is the following formula for simple interest

M = C(1+i*n) ; where C = Capital, i = rate of interest, n = 1/2 year or it can be wrriten as 6 / 12 as fraction of month by year

M = C[( 1+0.06*(6/12)] =  $ 5356

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1

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step-by-step explanation:

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