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Anvisha [2.4K]
3 years ago
11

Solve the equation and find the value of the variable

Mathematics
1 answer:
djyliett [7]3 years ago
3 0
The sum of the angles should be 180, so x+ (x+10) + (x+5) = 180. This simplifies to 3x + 15 = 180, so 3x = 165, so x=55.
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Temperature affects the speed of sound. The speed (v) of sound near Earth's surface, in
Bingel [31]

Answer:

The temperature in degrees Celsius is <em>-48°C </em>.

Step-by-step explanation:

The given equation is:

v = 20√[t + 273]

Therefore, rearranging we get:

(v / 20)² = t + 273

t = (v / 20)² - 273

but the speed of sound, v, is equal to 300 m/s

Therefore,

t = (300 / 20)² - 273

<em>t = -48°C</em>

<em></em>

Therefore, the temperature in degrees Celsius is <em>-48°C </em>.

8 0
4 years ago
Last year, a janitorial supervisor had a gross income of $34,100, of which he contributed 8% to his 401(k) plan. If he got paid
rodikova [14]
There was a gross income of 34,100....8% goes to 401K plan..
8% of 34,100 = 0.08(34,100) = 2728

he gets paid bimonthly...so he gets paid twice a month...and being that there is 12 months in a year, he gets paid (12 * 2) = 24 times

2728/24 = 113.666 rounds to 113.67 each paycheck <==
4 0
4 years ago
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It goes straight sideways

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4 years ago
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1. Which classifications describe this figure?
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