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trasher [3.6K]
3 years ago
11

Tia takes $50 from her bank account to pay for bus fare for the month. She does this each month for 7 months in a row. Which equ

ation models this situation and represents the change it causes in Tia's
bank balance?
(-$50) + 7 =543
(-550) * 7 =-$350
А
B
С
$50 (-7) = $350
D
(-850) - 7 =-557
Mathematics
2 answers:
AlekseyPX3 years ago
8 0

Answer:

A

Step-by-step explanation:

olga55 [171]3 years ago
6 0

Answer:

  • B. - $50 * 7 = - $350

Step-by-step explanation:

Taking $50 each month causes  - $50 change to bank balance

<u>Repeating same for 7 month:</u>

  • - $50 * 7 = - $350

Correct option is B

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Answer:

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Step-by-step explanation:

Let the measure of the largest angle be x

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Since the sum of angle in a triangle is 180 degrees, hence;

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If the measure of the largest angle is 32 less than 3 times the smallest angle, then;

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If he measure of the middle angle is 8 more than half the measure of the largest angle, then;

y = x/2 + 8 .... 3

Substitute 2 and 3 into 1;

x + x/2 + 8 + (x+32)/3 = 180

multiply through by 6

6x + 3x + 48 + 2(x+32) = 1080

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11x = 968

x = 968/11

x = 88 degrees

Get the middle angle y;

Since y = x/2 + 8

y = 88/2 + 8

y = 44 + 8

y = 52 degrees

Hence the measure of the middle angle is 52degrees

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