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defon
3 years ago
5

Multiply.

Mathematics
2 answers:
BARSIC [14]3 years ago
6 0
Exact form: 9/5
Decimal form: 1.8
Mixed number form: 1 4/5
emmainna [20.7K]3 years ago
6 0

Answer:

1\frac{4}{5}

Step-by-step explanation:

3 times 3/5

3 \cdot \frac{3}{5}

To multiply whole number by fraction , then we multiply 3 with the numerator

\frac{3 \cdot 3}{5}

\frac{9}{5}

Now write the fraction in mixed form

when we divide 9 by 5, the quotient is 1 and 4 is the remainder

\frac{9}{5}

1\frac{4}{5}

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First, we need to find the z-score of a time of 128 seconds. To do this, we find the difference of the mean and score and divide by the standard deviation.

(128 - 141) / 7 = -1.86

Now, use a standard normal distribution table to determine the percent below a z-score of -1.86. That value is 0.0314 or 3.14%.
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3 years ago
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The product of sin 30 degrees and sin 60 degrees is the same as the product of
zysi [14]

Answer:

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we know that

sin(\alpha)=cos(\beta)

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sin(30\°)*sin(60\°)=cos(60\°)*cos(30\°)

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Answer:

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Step-by-step explanation:

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