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zzz [600]
3 years ago
8

a number is multiplied by 12 that tree is added to the result if the number is 51 what is the original number

Mathematics
1 answer:
ivann1987 [24]3 years ago
6 0
The original number would be 48. 12 multiplied by 4 is 48, and if you add a three to that you will get 51.

Hope this helped :)
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There are 24 boys in a class, and 2/3 of the students in the class are boys. How many students are girls ?
tresset_1 [31]

Answer:

12 girls.

Step-by-step explanation:

24 ÷ 2 = 12

(This is divided to find out 1 part of the whole class as ⅓)

⅓ = 12

1 (whole) take away ⅔ = ⅓

Since ⅔ + ⅓ = 1

⅓ = fraction of girls in class

1 part = 12

So ⅓ = 12 girls out of 36 total students

Hope this helps. :)

5 0
3 years ago
Please answer all part correct​
insens350 [35]

Answer:

a). We want to know how much each point was worth.

b). 12x+5=41

c). Each problem worth 3 points.

Step-by-step explanation:

a). We want to know how much each problem was worth. Because we have the total points of the test, and how much was the bonus. But we still don't know the worth of each problem.

b). We know that the total points of the test were 41, and the bonus 5 points. There were 12 problems on the test and we are going to use "x" for the unknown part (how many points each problem was worth).

The equation is :

12x+5=41

Why 12x? Because if you multiply the twelve problems of the test with the worth of each one and then add the 5 points of the bonus you will obtain the total points of the test (41).

c). Now we have to solve the equation, this means that we have to clear "x":

12x+5=41

Subtract 5 from both sides.

12x+5-5=41-5\\12x=36

Finally divide in 12 both sides of the equation:

\frac{12x}{12}=\frac{36}{12} \\\\x=3

Then each problem worth 3 points.

7 0
3 years ago
Twelve and twenty nine hundredths in number form​
kobusy [5.1K]

Answer:

12.29

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Help please! This is due tomorrow!
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The volume of a tennis ball is 8 cubic inches. What is the radius?
aleksklad [387]
24 is the correct answer:)
4 0
3 years ago
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