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3 years ago

Eight times the reciprocal of a number equals 4 times the reciprocal of 8. find the number

Mathematics

1 answer:

Burka [1]3 years ago

4 0

8*(1/x) = 4*(1/8)
8/x = 4/8
64 = 4x
x = 16

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Simplify the following completely, show all work. √-45

scoray [572]

Answer:

$3\sqrt{5}i$

Step-by-step explanation:

$\sqrt{-45}$

$\sqrt{-9*5}$

$\sqrt{-9}\sqrt{5}$

$3i\sqrt{5}$

$3\sqrt{5}i$

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2 years ago

Kyle asks his friend Jane to guess his age and his grandmother’s age. Kyle says his grandmother is not more than 80 years old. H

motikmotik

The incorrect inequality is g > 80. The symbol ">" means greater than. So g > 80 would translate to meaning Kyle's grandmother is greater than 80. However, the problem states that his grandmother is not more than 80, meaning she is either 80 or younger. So the inequality should be g ≤ 80, or Kyle's grandmother is less than or equal to 80 years of age.

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3 years ago

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djverab [1.8K]

Answer:

130

Step-by-step explanation:

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3 years ago

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Use braces and digits to designate the set of natural numbers.

alina1380 [7]

Answer:

$N = \{1,2,3,4,5,6,.....\}$

Step-by-step explanation:

Required

Determine the sets of natural number

Represent this set with letter N

From definition of natural numbers, they are integer numbers starting from 1;

In other words: 1,2,3,4,5, and so on.

To represent this as a set of N, we have

$N = \{1,2,3,4,5,6,.....\}$

<em>The ..... means that the counting still continues</em>

6 0

3 years ago

How do i solve these and graph them ?!

Ainat [17]

Use Desmos. It is good.

Here is the graph.
https://www.desmos.com/calculator/wq4kzps9fq

To change the color, you have to click on the line next to the formula for a long time. A window will pop up so you can change the color.

4 0

3 years ago