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statuscvo [17]
3 years ago
12

What is the sum of 421, 237, 112, and 100?

Mathematics
2 answers:
galina1969 [7]3 years ago
8 0

Answer:

870

Step-by-step explanation:

4 2 1

2 3 7

1 1 2

1 0 0

_____

8 7 0

ipn [44]3 years ago
5 0

Answer:

870

Step-by-step explanation:

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Predict if the product will be greater than, less than or equal to the second factor 4/5 x 1 2/5 = y
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Answer:

The product will be less than the second factor.

Step-by-step explanation:

Given the expression

\frac{4}{5}\:\times \:1\frac{2}{5}\:=y

solving to determine the product value

y=\:\frac{4}{5}\times \:\:1\frac{2}{5}

  =\frac{4}{5}\times \frac{7}{5}

\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}

  =\frac{4\times \:7}{5\times \:5}

  =\frac{28}{5\times \:5}

  =\frac{28}{25}

As the value of the second factor is:

1\frac{2}{5}=\frac{7}{5}=1.4

And the product value is:

y=\frac{28}{25}=1.12

It is clear that the product value 'y = 1.12' is lesser than the second factor value '1.4'.

i.e. 1.12 < 1.4

Thus, the product will be less than the second factor.

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3 years ago
How many triangles in the diagram can be mapped to one another by similarity transformations? A. 2 B. 4 C. 0 D. 3
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The answer is B. 4


Explanation
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