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TEA [102]
2 years ago
6

Answer pls. question in photo

Mathematics
2 answers:
Vilka [71]2 years ago
6 0
I believe it is the 4th one
ziro4ka [17]2 years ago
3 0
It has to be the fourth one
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Determine the dimensions of the screen of a 42-inch TV with a 4:3 aspect ratio.
Nitella [24]

For this case, the first thing you should do is know that the measurement of a television is given by the diagonal of the television.

Therefore, to find the value of x, we use the Pythagorean theorem.

We have then:

(3x)^2+(4x)^2=42^2

Rewriting we have:

25x ^ 2 = 1764\\x = \sqrt {\frac {1764} {25}}\\x = \sqrt {70.59}\\x = 8.4

Then the dimensions are given by:

4x = (4 * 8.4) = 33.6\\3x = (3 * 8.4) = 25.2

Answer:

the dimensions of the screen are: 33.6* 25.2

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3 years ago
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Sean needs to figure out how much paint he needs in order to cover all of the sides of his ramp. what is the surface area of the
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9(6) +5(9) +9(7)+(6(8))/2 + (6(8))/2

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Please help with math 30 pts
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Hello there!

First of all, find the slope of the right side of the graph. The slope is 2. So far we have:
y=2

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y=2|x-0|
y=2|x|

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y=2|x|-2

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How do you graph this inequality on a number line? <br><img src="https://tex.z-dn.net/?f=r%20%5Cleqslant%20%20-%209" id="TexForm
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Answer in the attachment.

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2 years ago
Avicenna, a major insurance company, offers five-year life insurance policies to 65-year-olds. If the holder of one of these pol
ki77a [65]

Answer:

Avicenna can expect to lose money from offering these policies. In the long run, they should expect to lose ___33__ dollars on each policy sold

Step-by-step explanation:

Given :

The amount the company Avicenna must pay to the shareholder if the person die before 70 years = $ 26,500

The value of each policy = $497

It is given that there is a 2% chance that people will die before 70 years and 98% chance that people will live till the age 70.

The expected policy to be sold= policy nominal + chances of death

                                      = 497 + [98% (no pay) + 2% (pay)]

                                     = 497 + [98%(0) + 2%(-26500)]

(The negative sign shows that money goes out of the company)

                                   = 497 - 2% (26500)

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                                  =33

Therefore the company loses 33 dollar on each policy sold in the long run.

7 0
2 years ago
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