All categories

3 years ago

In 8th grade, there are 240 students. What percent are girls if 102 are girls? (PLEASE HELP)

Mathematics

2 answers:

Scrat [10]3 years ago

6 0

42.5% you would divide 102 by 240

TEA [102]3 years ago

5 0

240 - 102 = 138

138 / 240 * 100 = 57.5%

100% - 57.5% = 42.5%

answer 42.5% are girls

You might be interested in

App 19.study

lions [1.4K]

Answer:

$1 \to 22 \to 0.176$

$2 \to 13 \to 0.104$

$3 \to 18 \to 0.144$

$4 \to 29 \to 0.232$

$5 \to 37 \to 0.296$

$6 \to 6 \to 0.048$

Step-by-step explanation:

Given

$n = 125$

See attachment for proper table

Required

Complete the table

Experimental probability is calculated as:

$Pr = \frac{Frequency}{n}$

We use the above formula when the frequency is known.

For result of roll 2, 4 and 6

The frequencies are 13, 29 and 6, respectively

So, we have:

$Pr(2) = \frac{13}{125} = 0.104$

$Pr(4) = \frac{29}{125} = 0.232$

$Pr(6) = \frac{6}{125} = 0.048$

When the frequency is to be calculated, we use:

$Pr = \frac{Frequency}{n}$

$Frequency = n * Pr$

For result of roll 3 and 5

The probabilities are 0.144 and 0.296, respectively

So, we have:

$Frequency(3) = 125 * 0.144 = 18$

$Frequency(5) = 125 * 0.296 = 37$

For roll of 1 where the frequency and the probability are not known, we use:

$Total \ Frequency = 125$

So:

Frequency(1) added to others must equal 125

This gives:

$Frequency(1) + 13 + 18 + 29 + 37 + 6 = 125$

$Frequency(1) + 103 = 125$

Collect like terms

$Frequency(1) =- 103 + 125$

$Frequency(1) =22$

The probability is then calculated as:

$Pr(1) = \frac{22}{125}$

$Pr(1) = 0.176$

So, the complete table is:

$1 \to 22 \to 0.176$

$2 \to 13 \to 0.104$

$3 \to 18 \to 0.144$

$4 \to 29 \to 0.232$

$5 \to 37 \to 0.296$

$6 \to 6 \to 0.048$

5 0

3 years ago

Solve the equations<br> √(4x+3) + √(x+1) = √(9x-2)

lidiya [134]

I think bc of the last comment it should be = no solutions or Ø

6 0

2 years ago

4.3 Multiplying Binomials Question

Schach [20]

I think the answer to that is : 6x^2 - 41x - 56
But I’m not a 100% sure

5 0

2 years ago

Read 2 more answers

What's the domain, range, of y=-2^(-x+2)+1

Sveta_85 [38]

Domain: (-∞, ∞), {x|x ∑ r}
Range: (-∞, 0), {y|y < 0}
Hope this helps! :)

7 0

3 years ago

What is 2,212 divided by 4

Marizza181 [45]

Answer:

The answer is 553

Step-by-step explanation:

2212/4=553

4 0

3 years ago

Read 2 more answers