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Stolb23 [73]
3 years ago
8

PLEASE HELP what's the value of xa.23b.30c.46d.62

Mathematics
1 answer:
Zinaida [17]3 years ago
6 0
Since they are vertical angles, they are equal.
5x - 53 = 3x - 7
2x = 46
x = 23
A
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Please help if you can!
stealth61 [152]

Given:

The figure of a triangle DEF.

To find:

The coordinate of image of given triangle after reflection over y-axis.

Solution:

The vertices of given triangle are D(1,4), E(4,3), F(2,0).

If a figure is reflected over the y-axis, then the rule of reflection is

(x,y)\to (-x,y)

Using this rule, we get

D(1,4)\to D'(-1,4)

E(4,3)\to E'(-4,3)

F(2,0)\to F'(-2,0)

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3 years ago
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Vera_Pavlovna [14]

Using the slope concept, it is found that the shuttle traveled 3.2 miles while Marion was watching.

<h3>What is a slope?</h3>

The slope is given by the <u>vertical change divided by the horizontal change</u>, and it's also the tangent of the angle of depression.

Initially, the angle of elevation is of 16º, with an elevation of 1 mi, hence:

\tan{16^\circ} = \frac{1}{x_1}

x_1 = \frac{1}{\tan{16^\circ}}

x_1 = 3.5

Then, at the end, the angle will be of 74º, with the elevation remaining constant, hence:

\tan{74^\circ} = \frac{1}{x_2}

x_2 = \frac{1}{\tan{74^\circ}}

x_2 = 0.3

The distance is:

d = x_1 - x_2 = 3.5 - 0.3 = 3.2

The shuttle traveled 3.2 miles while Marion was watching.

More can be learned about the slope concept at brainly.com/question/18090623

3 0
2 years ago
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Answer:

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  • multiply with pi

27.5625*3.14=86.54625

rounded 86.5 in

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2 years ago
The United States Air Force has 19 women for every 81 men enlisted. If a squadron has 750 members, approximately how many are wo
Arisa [49]
Answer:
Approximately the number of men is 203 and number of women is 47.
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