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NikAS [45]
3 years ago
11

HELPPP!!! 10 PTS! M angle (6x + 15) = _____

Mathematics
1 answer:
patriot [66]3 years ago
3 0
25x+ the diameter of a rectangle
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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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What is the distance between (2, 3) and (-2, 7)?
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3 years ago
A city has a population of 210,000 people. Suppose that each year the population grows by 3.25% . What will the population be af
serg [7]

Answer: the population be after 10 years is 289145

Step-by-step explanation:

The growth rate is exponential. We would apply the formula for exponential growth which is expressed as

y = b(1 + r)^t

Where

y represents the population after t years.

t represents the number of years.

b represents the initial population.

r represents rate of growth.

From the information given,

b = 210000

r = 3.25% = 3.25/100 = 0.0325

t = 10 years

Therefore,

y = 210000(1 + 0.0325)^10

y = 210000(1.0325)^10

y = 289145

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3 years ago
Which figure has reflection symmetry?
seraphim [82]
The bottom left figure
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