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sineoko [7]
2 years ago
9

If 30% of a number is 15, what is 25% of the number?

Mathematics
1 answer:
Scorpion4ik [409]2 years ago
3 0

Answer:

12.5

Step-by-step explanation:

Basically, the number was multiplied by .3 to get 15. So if you do 15/.3 you'll get your original number which is 50. Then you multiply by .25 and get 12.5.

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(12x - 30) = (2x - 5)​
zzz [600]

Answer:

x = 5/2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

12x - 30 = 2x - 5

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 2x on both sides:                    10x - 30 = -5
  2. Add 30 to both sides:                            10x = 25
  3. Divide 10 on both sides:                        x = 5/2
8 0
2 years ago
Use the diagram below &amp; your knowledge of inscribed angles of a quadrilateral to label the measures of EACH inscribed angle
Marrrta [24]

Answer:

HELLOOOO

Step-by-step explanation:

Sorry I can't help but I hope you got it

8 0
2 years ago
I NEED HELP FAST WHAT IS 80 + -9 - 5 + 89-66+44-9+87-100+213
kow [346]

Answer:

324 is ya answer!

5 0
3 years ago
By what percentage must the diameter of a circle be increased to increase its area by 50%?
katovenus [111]
The circle increase in area will be by a factor of 1.5
So corresponding increase in the diameter will be a factor of  sqrt 1.5 = 1.2247

Answer is 22.47 %
5 0
3 years ago
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a stock that was selling for $48 a share split 2-for-1. Before the split, the company had 3.4 million shares of stock outstandin
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Answer:

666

Step-by-step explanation:


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3 years ago
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