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MariettaO [177]
3 years ago
12

Probability of being a boy in this class is 1/3 and there are 12 girls. Find the total

Mathematics
2 answers:
egoroff_w [7]3 years ago
7 0

Answer:

18

Step-by-step explanation:

The fraction 1/3 is equal to 6/18. There are 12 girls, and 6+12=18, so there is a total of 18 students.

lbvjy [14]3 years ago
4 0

Answer:

18

Step-by-step explanation:

By knowing that 1/3 is the probability of being in the class, you can find that 12 girls and 6 boys would sound perfect to the question. Mathematically you would solve it by 12/0.33333 and it equals 18 of total number of students. If you need more help text me on insta it's jason_lee093

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6 0
3 years ago
Work out m and c for the line: y = 8 x
Ivan

Answer:

m = 8 and c = 0

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 8x ← is in slope- intercept form, that is y = 8x + 0

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8 0
3 years ago
What is the value of n in the equation 1/2 (n-4) -3 = 3 - (2n+3)
Doss [256]

Answer:

n = 2

Step-by-step explanation:

Expand the brackets.

1/2n - 2 - 3 = 3 - 2n - 3

Add or subtract terms.

1/2n - 5 = -2n

Add 5 and 2n on both sides.

1/2n + 2n = 5

5/2n = 5

Multiply both sides by 2/5.

n = 5 × 2/5

n = 10/5

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4 0
3 years ago
What's 6/7 written as a fraction with a denominator of 42? A. 36/42 b. 7/42 c. 42/42 d. 6/42
7nadin3 [17]

Pls mark Brainliest.

Answer:

A. 36/42

Step-by-step explanation:

What do you multiply 7 by to get 42?

6. That is what the denominator was multiplied by, and so, the equivalent fraction must have a numerator that is 6 times larger than the original.

6 is the numerator so the numerator of the equivalent fraction with denominator 42 must be 36 since 6 * 6 = 36/

A. 36/42

4 0
3 years ago
Compare the dimensions of the prisms. How many times greater is the surface area of the purple prism than the surface area of th
zysi [14]

Answer: 3 times greater

Step-by-step explanation:

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Width: 3x3=9

The sides on the red cuboid times by 3 equals the sides on the purple one.

Hope this helps :)

7 0
3 years ago
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