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shepuryov [24]
3 years ago
8

Use absolute value to write an expression describing the size of each amount. An elevation of 250 feet.

Mathematics
1 answer:
Kruka [31]3 years ago
4 0

Answer:

The absolute value of a number is always positive.

if x > 0 , then |x| = x

if x < 0 , then |-x| = x

Use the absolute value.

To find an expression for: An elevation of 250 feet.

Elevation mean the height of a place above the sea level.

An elevation of 250 feet =  +250

then, using absolute value:

Size of each amount,  |+250| = 250


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Step-by-step explanation:

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=> x² = (x - 4)², x = -(x - 4), 2x = 4, x = 2.

The x-value is 2.

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Answer:

The width W is :

W=\frac{3}{5}

Step-by-step explanation:

<em>Let A be the area of the rectangle </em>

<em>Let L be the length of the rectangle</em>

<em>Let W be the width of the rectangle </em>

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Formula:

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\begin{aligned}A &=L \times W \\\Rightarrow W &=\frac{A}{L} \\\Rightarrow W &=\frac{\frac{3}{8}}{\frac{5}{8}} \\&=\frac{3}{8} \times \frac{8}{5} \\&=\frac{3 \times 8}{8 \times 5} \\&=\frac{3}{5}\end{aligned}

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<h3>What is the Measure of a Full Circle?</h3>

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Learn more about a full circle on:

brainly.com/question/16724928

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2 years ago
What is the domain and range of the relation shown in
Leya [2.2K]

Answer:

Domain : {10, 15, 19, 32}

Range: {-1, 5, 9}

Step-by-step explanation:

As the table of the relation is given as follows:

<em>X                Y</em>

<em>10               5</em>

<em>15               9</em>

<em>19               -1</em>

<em>32             5  </em>

From this table, we can define the relation by combining the ordered pairs from the table. Each and every order pair consists of x-coordinate and corresponding y-coordinate of any corresponding point.

So, the relation from the table can be made as follows:

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Domain of a relation consists of all the x-coordinates (first elements) of order pairs.

Range of a relation consists of all the y-coordinates (second elements) of ordered pairs.

So, domain  and range of relation will be as follows:

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                                  Range: {-1, 5, 9}

<em>Note: If there is any </em><em>duplicate</em><em> element in any x or y-coordinate of any ordered pair, it will be written only </em><em>once </em><em>when we determine domain and range. Here, in this example, 5 is duplicate, so, it will be mentioned only one time when we determine the range of this relation.</em>

Keywords:  domain, relation, range

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