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adell [148]
3 years ago
5

Solve the multiplication problem -5/8 times 2/3

Mathematics
1 answer:
wel3 years ago
4 0

Answer:

\frac{-5}{8}\times \frac{2}{3}=\frac{-5}{12} or -0.42

Step-by-step explanation:

Given:

The statement says -5/8 times 2/3

Solution:

=\frac{-5}{8}\times \frac{2}{3}

=\frac{-5\times 2}{8\times 3}

=\frac{-10}{24}

the numerator and denominator is divided by 2

=\frac{-5}{12}

Therefore, The multiplication of \frac{-5}{8} and \frac{2}{3} is \frac{-5}{12} or -0.42

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B. Median

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A test is worth a total of 150 points and contains 70 questions. Some of the questions are worth 2 points and some are worth
FrozenT [24]

Answer:

65 two-point questions, and 5 four-point questions.

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Step-by-step explanation:

1. Assigning variables and writing equations

We will set the number of 2 point questions as "x" and number of 4 point questions as "y"

We know that:

x+y=70 (number of 2 point questions+number of 4 point questions=total number of questions)

2x+4y=150 (number of points that a two point question is worth*number of two point questions+number of points that a four point question is worth*number of four point questions=total points on test)

2. Combining equations

x+y=70, 2x+4y=150

We will solve one of these equations.

x+y=70

x=70-y

Next, we will substitute the other equation with this solution.

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Use this solution to find x.

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<em>We found that there are 65 two-point questions, and 5 four-point questions. </em>

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3 years ago
1200 TV; 10% discount
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