3 years ago

Note: Your teacher will grade your response to ensure you receive proper credit for your answer.

Mathematics

1 answer:

zimovet [89]3 years ago

4 0

Answer:

5^11 = 5^3 * 5^8

5^11 = 5^0 * 5^11

5^11 = 5^-4 * 5^15

Step-by-step explanation:

These expressions equal 511 because each of them are the product of two powers that equal 511.

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The basic measure of mass in the metric system is called

tigry1 [53]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

To the nearest tenth, find the perimeter of ∆ABC with vertices A(-1,4), B(-2,1) and C(2,1).

swat32

First we need to find the length of each side of the triangle , and for that we need to use the distance formula, that is
$d =\sqrt{(x_{2} -x_{1})^2 +(y_{2} -y_{1})^2}$
$AB = \sqrt{(1-4)^2 +(-2+1)^2}= \sqrt{10}$
$\sqrt{BC} = \sqrt{(1-1)^2 + (2+2)^2}=4$
Perimeter is the sum of all sides.
$Perimeter = AB + BC + AC = \sqrt{10}+4 +\sqrt{18}$
$Perimeter= 11.4$