3 years ago

Decimals from 7.0 to 8.4, with an interval of 0.2 between each pair of decimals

Mathematics

1 answer:

andrey2020 [161]3 years ago

4 0

7.0, 7.2, 7.4, 7.6, 7.8, 8.0, 8.2, 8.4

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The length of a rectangle is (3 + √7)m and its width is (1 + 2√7)n. What is the

Andru [333]

Answer:

$A=(17+7\sqrt7)\ m^2$

Step-by-step explanation:

Given that,

The length of the rectangle, $l=(3+\sqrt7)\ m$

The width of the rectangle, $b=(1+2\sqrt{7} )\ m$

We need to find the area of the rectangle. We know that the area of the rectangle is given by :

$A=l\times b$

Put all the values in the above formula.

$A=(3+\sqrt7)\times (1+2\sqrt7)\\\\=3+3\times 2\sqrt7 +\sqrt7+2(\sqrt7)^2\\\\=3+6\sqrt7+\sqrt7+14\\\\=(17+7\sqrt7)\ m^2$

So, the area of the rectangle is $(17+7\sqrt7)\ m^2$ .

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alexgriva [62]

Answer:

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Parallel means same slope as original and b is -2.

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Andre45 [30]

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3 years ago

Which equation does NOT have infinitely many solutions?

svlad2 [7]

Answer:

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