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kirill [66]
3 years ago
7

How do you solve 9n+4=5n+18 and what is the answer

Mathematics
2 answers:
Marysya12 [62]3 years ago
8 0
9n+4=5n+18\\9n-5n=18-4\\4n=14\ /:4\\n=3.5\\\\Ans.\ n=3.5
kenny6666 [7]3 years ago
4 0
9n+4=5n+18\ \ \ \ |subtract\ 4\ from\ both\ sides\\\\9n=5n+14\ \ \ \ \ |subtract\ 5n\ from\ both\ sides\\\\4n=14\ \ \ \ \ \ |divide\ both\ sides\ by\ 4\\\\n=\frac{14}{4}\\\\n=\frac{7}{2}\\\\\boxed{n=3\frac{1}{2}}

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Step-by-step explanation:

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Which is a step in the process of calculating successive discounts of 8% and 10% on a $50 item
Paraphin [41]

Answer:

The  process of calculating successive discounts of 8% and 10% on a $50 item is take 10% of $46.

Step-by-step explanation:

As given

successive discounts of 8% and 10% on a $50 item .

First find out for 8 % discount

8% is written in the decimal form

= 0.08

8 % of $50 item = 0.08 × 50

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First find out for 10 % discount

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Therefore in the successive discounts of 8% and 10% on a $50 item is $41.4 .

5 0
3 years ago
Pls help it is due today
faltersainse [42]
Ok I recommend you start by
7 0
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2.1 + 3.32 – 1.4 = ? A. 6.82 B. 4.02 C. 5.42 D. 4.2
goblinko [34]
4.02 is the answer., B.
8 0
3 years ago
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