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liq [111]
3 years ago
9

A group of preschoolers has 17 boys and 16 girls. What is the ratio of girls to all children?

Mathematics
1 answer:
Luba_88 [7]3 years ago
5 0

Answer:

16 girls: 33 kids

Step-by-step explanation:

add 16 and 17 then break down the equation and figure out the answer

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What is the percentage increase if your salary from$85 to $100 per week round to the nearst percent
natali 33 [55]
To find what percent of something something is you first divide the part by the whole (85/100=0.85) and then multiply that by 100 (0.85 * 100=85) this means you get 85%
6 0
3 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
ryzh [129]

Answer:

5^3

Step-by-step explanation:

When it's multiplication you add the exponents.

Same with division, you subtract the exponents.

So obviously, 1+2=3.

5^3

I hope I could help!

6 0
2 years ago
Read 2 more answers
A car moves at a speed that allows it to move 45 yards in 5⁄4 of a second. How long will it take a car at the same speed to move
Dimas [21]

First, to make things easier, let's turn 5/4 into a decimal given a second is equal to 1000 milliseconds.

5/4 = 1,25

1,25 * 1000 = 1250 milliseconds = 1.25 seconds


So, we've found that 45 yards can be covered in 1.25 seconds. Now we'll use the rule of 3:

45 - 1.25

80 - x


Now we solve:

(80 * 1.25) / 45 = x

100 / 45 = x

2,22... = x


So, according to our answer, 80 yards can be covered in 2,22 seconds, which in fractions would be:

2,22 =\frac{222}{100} = \frac{111}{50}


Hope it helped,


BioTeacher101

7 0
3 years ago
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The following table represents the running times of the men's 100 meters final at the London Olympics.
Rom4ik [11]
This cannot be fit into a normal distribution. While the first 7 runners all have times relatively close, the time of the last runner is an outlier, as it is too far from the other data points. The standard deviation is calculated by taking the mean, subtracting each value from the mean, squaring the deviations, adding these, then dividing by the number of data points (7), and taking the square root. This gives an answer of SD = 0.1107.
8 0
3 years ago
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PLEASE HELP
Aleks04 [339]
Answer: 40%

=========================================

Work Shown:

"given that it's a senior" is an important piece of info that tells us to only focus on the "seniors" column. The word "given" is an indication that we know this information 100%

There are 5 seniors (2+3 = 5) and 2 of them are male. So 2/5 = 0.40 = 40% of the seniors are male. The probability of selecting a male, if we know this person is a senior, is 40%

3 0
2 years ago
Read 2 more answers
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