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dybincka [34]
3 years ago
8

12 is 40% of __? please explain

Mathematics
2 answers:
blagie [28]3 years ago
4 0
The answer is 30. You can use the equation 0.4x (40%~turn to a decimal)=12. 12 divided by 0.4 is 30. I hope this helps.
Anna [14]3 years ago
3 0
The answer is 30 because 0.4x= 12 so divide 12/0.4 equals 30 your answer
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What is the degree form for 3n/4 radians?
yanalaym [24]

Answer:

135^\circ

Step-by-step explanation:

To convert radians to degrees, use the formula x^\circ=r\frac{180}{\pi} where r is the number of radians:

x^\circ=r\frac{180}{\pi}

x^\circ=(\frac{3\pi}{4})(\frac{180}{\pi})

x^\circ=\frac{540}{4}

x^\circ=135

Therefore, \frac{3\pi}{4} radians is 135^\circ

4 0
2 years ago
If you have 3 quarters, 5 dimes, and 2 nickels in
slamgirl [31]

Answer:

Step-by-step explanation:

No. Of quarters n(Q)= 3

No. Of dimes n(D) = 5

No. Of nickels n(N) = 2

Total T = 3+5+2 = 10

Prob(D) = n(D)/T = 5/10 = 1/2

Now there are 9 left since it is not replaced back

Prob(Q) = 3/9 = 1/3

Prob(D and Q) = 1/2 × 1/3 = 1/6

6 0
3 years ago
Some people take the early retirement option at age 62. According to the Social Security Administration, if you retire at age 62
Vera_Pavlovna [14]

Answer:

$3900.

Step-by-step explanation:

If retirement is taken at the age of 67 years, income  = $1300 per month.

% Loss, if retirement taken at the age of 62 years = 25% per month

Loss in dollars per month if retirement taken at the age of 62 years = 25% of Monthly income if retirement is taken at the age of 67 years

\Rightarrow \dfrac{25}{100} \times 1300\\\Rightarrow \dfrac{1300}{4}\\\Rightarrow 325 \$

We know that there are 12 months in an year.

So, annual loss in total annual income over one year:

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325 \times 12 = <em>3900$</em>

7 0
3 years ago
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Vikentia [17]

Answer:

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8 0
3 years ago
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A rectangle has an area of 45x2 − 42x − 48 and a width of 5x − 8. What is the length of the rectangle? To find the length of the
hichkok12 [17]

Answer:

The length of the rectangle is given as:

(9x + 6)

Step-by-step explanation:

The area of a rectangle is given as:

Length × Width

Area of the rectangle = 45x² − 42x − 48

Width = 5x - 8

We solve for the length of the rectangle by factorising the area of the rectangle

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Therefore:

The length of the rectangle is given as:

(9x + 6)

8 0
3 years ago
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