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Ede4ka [16]
3 years ago
12

HELPPP ITS QUESTION 17 BTW

Mathematics
2 answers:
netineya [11]3 years ago
6 0

Answer:

12n

Step-by-step explanation:

Veronika [31]3 years ago
3 0

Answer:

c

Step-by-step explanation:

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Hi guys please help meee
Lisa [10]
<h3>Answer: 10</h3>

=======================================================

Explanation:

We'll start off converting each mixed number into an improper fraction.

The formula to use is A \frac{b}{c} = \frac{A*c+b}{c}

So,

A \frac{b}{c} = \frac{A*c+b}{c}\\\\2 \frac{1}{8} = \frac{2*8+1}{8}\\\\2 \frac{1}{8} = \frac{16+1}{8}\\\\2 \frac{1}{8} = \frac{17}{8}\\\\

And,

A \frac{b}{c} = \frac{A*c+b}{c}\\\\2 \frac{2}{3} = \frac{2*3+2}{3}\\\\2 \frac{2}{3} = \frac{6+2}{3}\\\\2 \frac{2}{3} = \frac{8}{3}\\\\

So the task of computing 2 \frac{1}{8} \times 2 \frac{2}{3} is exactly the same as computing \frac{17}{8} \times \frac{8}{3}

Notice how we have an 8 up top and an 8 down below. Those 8's cancel out and we're left with \frac{17}{3}. That fraction does not reduce any further.

The last step is to convert that improper fraction result to a mixed number.

\frac{17}{3} = \frac{15+2}{3}\\\\\frac{17}{3} = \frac{15}{3}+\frac{2}{3}\\\\\frac{17}{3} = 5+\frac{2}{3}\\\\\frac{17}{3} = 5 \frac{2}{3}\\\\

Or you could note that 17/3 leads to 5 remainder 2. The 5 is the whole part and the 2 forms the numerator of the fractional part 2/3.

The value is in A \frac{b}{c} form where

  • A = 5
  • b = 2
  • c = 3

Therefore, A+b+c = 5+2+3 = 10

8 0
2 years ago
Read 2 more answers
A person has 22 coins, all nickels and dimes, worth one dollar and 50 cents. How many nickels are there?
kirill [66]

I think your answer is 8 or option A

7 0
3 years ago
4x - 4y = -2<br> -9x - 4y = -3
liubo4ka [24]

Answer:

x=1/13 y=15/26

Step-by-step explanation:

hope this helps!

please mark me brainliest! thanks!

7 0
3 years ago
What is the exam score for an exam whose z-score is 1.25?
mojhsa [17]

Answer:

85

Step-by-step explanation:

A z-score of 1.25 means that the actual exam score is 1.25 standard deviations above the mean, and therefore the exam score we are looking for is: mean + 1.25 * SD = 75 + 1.25 * 8 = 85

4 0
3 years ago
After painting 3/8 of a fence he finds that he has painted 15 feet
siniylev [52]

Answer: I'm assuming you want to know how much surface area his fence is, so 40

Step-by-step explanation: First we can divide 15 by 3 to get 5, and then multiply 5 by 8. This gives us 40, which is our answer.

Hope this helps :)

6 0
3 years ago
Read 2 more answers
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