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3 years ago

A number decreased by 12 is 24.

Mathematics

2 answers:

igomit [66]3 years ago

7 0

A number decreased by 12 is 24...
n - 12 = 24
n = 24 + 12
n = 36 <== ur number

Galina-37 [17]3 years ago

3 0

A number decreased by 12 is 24.
(by looking at your question, we can see that 'decreased by 12' = subtract (-) 12)

We can write this as the equation n - 12 = 24, in which n = the number.

Now let's solve for n by using algebraic properties.

n - 12 = 24
n - 12 + 12 = 24 + 12 (add 12 to both sides to isolate n)
n = 24 + 12 (the -12 and +12 cancel to 0 on the left side)
n = 36 (simplify, add 24 and 12)

Therefore the number is 36.

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Convert 510° from degrees to radians

vitfil [10]

Answer:

$\frac{17\pi }{6}$

Step-by-step explanation:

To convert from degrees to radians

radian = degree measure $\frac{\pi }{180}$

= 510 × $\frac{\pi }{180}$

= $\frac{51\pi }{18}$

= $\frac{17\pi }{6}$ radians

6 0

2 years ago

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What is the solution to the equation 1/4x +2= -5/8x - 5

nalin [4]

Answer:

x = -8

Step-by-step explanation:

1/4x +2= -5/8x - 5

Add 5/8x to each side

1/4x +5/8x +2= -5/8x+5/8x - 5

1/4x+5/8x +2= - 5

Subtract 2 from each side

1/4x+5/8x +2-2= - 5-2

1/4x+5/8x = - 7

Get a common denominator

1/4 *2/2 x + 5/8x = -7

2/8x + 5/8x = -7

7/8x = -7

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8/7x * 7/8x = -7 *8/7

x = -8

7 0

2 years ago

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Given: m∠p =47BD∥AC <br> What is the m∠m?<br><br> Put only the number. Do not label your answer.

Anettt [7]

Answer: $43\°$

Step-by-step explanation:

Observe the given figure.

You can identify that the measure of the angle "B" is:

$m\angle B=90\°$

Knowing this, you can conclude that the angle "p" and the angle "m" are Complementary angles, which means that the sum of their measures is 90 degrees. Then, you can write the following equation:

$m\angle p+m\angle m=90\°$ [Equation 1]