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Ipatiy [6.2K]
3 years ago
11

What is the answer to 12-2u=9u+45

Mathematics
1 answer:
Mars2501 [29]3 years ago
5 0

Answer:

u = -3

Step-by-step explanation:

12 - 2u = 9u + 45

2u - 12 = -9u - 45

2u + 9u = 12 - 45

11u = -33

u = -33/11

u = -3

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If the original quantity is 10 and the new quantity is 12, what is the percent increase?
GuDViN [60]

Answer:

20.00% increase, lmk if you need an explaination

6 0
3 years ago
Solve the following equation. 4 − 7 x + 10 = 15 − 6 x − 8
antiseptic1488 [7]

Answer:

x = 21

Step-by-step explanation:

4 - 7x +10 = 15 - 6x - 8

-7x + 14 = -6x -7

14 + 7 = -6x + 7x

21 = x or x=21

4 0
3 years ago
Johnson middle school had 240 students last year. This year. There are 192 students. Find the percent of change. State whether t
Rina8888 [55]

Answer:

Step-by-step explanation:

192 ÷ 420 = 0.457

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7 0
3 years ago
List of sides in order from shortest to longest 
kirill [66]

Answer:

x = 12

m∠A = 104º

m∠B = 32º

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shortest side = B

middle side = C

longest side = A

Step-by-step explanation:

Recall that all angles in a triangle add up to 180º. Also recall that the side opposite largest angle is the longest side, and vice versa for the side opposite the smallest angle.

6 0
2 years ago
Suppose a family has a gross annual income of ​$39,600.
Natalka [10]
According to financial advisers,
<span>* mortgage payment should be at most </span><span>28% of your gross monthly income
</span><span>* total monthly debt should be at most </span><span>36% of your gross monthly income.  Total monthly debts include </span><span>mortgage payments, car payments, credit card bills, student loans, and medical debt.\</span>

<span>gross annual income: 39,600</span>

gross monthly income: 39,600 / 12 = 3,300

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b) maximum amount for total credit obligations: 3,300 x 36% = 1,188

c) mortgage: 924 x 70% = 646.80 actual mortgage

1,188 - 646.80 = 541.20 maximum amount they could spend each month for all other debts.

<span>
</span>

<span>
</span>

8 0
3 years ago
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