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3 years ago

In a class, 12 out of 25 students are female. what percent of students are female?

Mathematics

1 answer:

ArbitrLikvidat [17]3 years ago

4 0

Divide the number of females by the total number of students:

12 females
25 total students

12 / 25 = 0.48 = 48%

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carley beat the school record for the 400 meter run by 1.3 seconds. if she ran the race in 55.7 seconds what was the record?

Vika [28.1K]

Answer:

If Carley ran the 400 meter run in a total of 55.7 seconds and she beat the record by 1.3 seconds, you would add 55.7 and 1.3

55.7+1.3= 57 seconds

The past school record for the girls 400 meter run was 57 seconds

Hope this helps ;)

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3 years ago

Please help me I really need help I’m gonna give 33 points for this please help

lidiya [134]

Answer:

Step-by-step explanation:

1a) use letter "P" for perimeter

1b) use letter "L" or "x"

1c) Formula: P=4L or P=4x

2) the formula for the perimeter of a square is P=4L or P=4x because to find the perimeter you have to add up all the sides, and for a square, all the sides are equal, so it is P=4L or P=4x.

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3 years ago

Read 2 more answers

All Seasons Plumbing has two service trucks that frequently need repair. If the probability the first truck is available is 0.75

oksano4ka [1.4K]

Answer: There is a probability of 0.05 that there is neither truck is available.

Step-by-step explanation:

Since we have given that

Probability that the first truck is available = 0.75

Probability that the second truck is available = 0.50

Probability that both trucks are available = 0.30

So, probability that either first truck or second truck is available is given by

$P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\P(A\cup B)=0.75+0.50-0.30\\\\P(A\cup B)=0.95$

We need to find the probability that neither truck is available.

so, P(A∪B)'=1-P(A∪B)

$P(A\cup B)'=1-0.95=0.05$

Hence, there is a probability of 0.05 that there is neither truck is available.

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3 years ago

Please help me with a, b, and c

EastWind [94]

A: Deena subtracted 25, instead of adding it.
B: 9x - 25 = 88.
C: no idea

7 0

3 years ago

Write an expression in the simplest form that represents the perimeter of the following shape

____ [38]

Perimeter is adding all 4 sides together:

8 + 8 + 9x + 9x

Simplify by coming like terms to get:

18x + 16

The answer is d. 18x + 16

3 0

2 years ago