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Fed [463]
3 years ago
9

The round temperature dial on a thermostat has a radius of 3 centimeters. What is the dial's circumference?

Mathematics
1 answer:
Nat2105 [25]3 years ago
3 0
The diameter of a circle is two times the radius. So the diameter 2(3) = 6 centimeters.
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PLEASE HELP!!!! The problem is in the photo below.
Ratling [72]
Answer :36 explanation: (39x39)-(15-15)=1296 then square root that and get 36
7 0
3 years ago
A man pays 20% of his salary as tax and has 24,000$ left. How much did he pay as tax
puteri [66]

Answer:

He paid $6,000 in taxes.

Step-by-step explanation:

His final amount after taxes is $24000.  In order to obtain this number we had to tax 20% of the total (Note that 100%-20%=80%).  In other words if he was taxed 20% he took home 80% of what he was paid.  Therefore mathematically we have:

0.8A_{pre-tax}=A_{taxed}

Since we know he was left with $24000 after taxes then:

0.8A_{pre-tax}=24000\\\\\frac{0.8A_{pre-tax}}{0.8}=\frac{24000}{0.8}\\\\A_{pre-tax}=\frac{24000}{0.8}\\\\A_{pre-tax}=30000

So originally he had $30,000.  So how much did he pay in taxes? We can calculate the difference of both pretax and after tax and we get:

$30,000 - $24,000= $6,000 taxed

4 0
4 years ago
To join a new fitness center, there is a $40 initiation fee. It costs an additional $10 for every spinning class you attend. Wha
Fiesta28 [93]

Answer:

C) $10

Step-by-step explanation:

The answer to this question is C)$10. I know that this is the answer to this question because I was doing it in my math class.

3 0
3 years ago
Read 2 more answers
Which of the following statements is true based on the data set shown below?
alisha [4.7K]

Answer:

median=mode

Step-by-step explanation:

I just did it.

8 0
3 years ago
What is the discriminant of the quadratic equation: (multiple choice)
Dominik [7]

Answer:

85

Step-by-step explanation:

<em>The equation for the discriminant is </em>

b^2-4(a)(c)

<em>Plug your numbers in from the equation. </em>

<em>1=a, -7=b, -9=c</em>

<em />

(-7)^2-4(1)(-9)

49-(-36)

49+36

85

6 0
4 years ago
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