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hjlf
4 years ago
14

There are 36 students in Mrs.Keatons's sixth grade class. If 5/12 of her students are girls, how many girls in the class?

Mathematics
1 answer:
murzikaleks [220]4 years ago
6 0
There are 15 girls because 12 x 3 = 36 and 5 x 3 = 15
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1 pizza costs £3.20 more than a bottle of coke. The total cost of the items is £19.40 for 3 pizzas and 1 bottle of coke
Korolek [52]

1 pizza should cost $5.65

Pizza is $5.65 then bottle of coke is $2.45

3 pizzas and coke: ($5.65*3) + $2.45 = $19.4

I solved this by setting up and solving a system of linear equations:

Variables: p = pizza, c = coke

p = c+3.2

3p+c = 19.4

Solve by substitution

3(c+3.2) + c = 19.4

4c+9.6 = 19.4

c = 2.45

Re-plug in:

p = 2.45+3.2

p = 5.65

7 0
3 years ago
What are the coordinates of the image Triangle ABC reflection over the line y=x ( please help!!)
S_A_V [24]

Answer:

A (2,-1)

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C (-2,1)

Step-by-step explanation:

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A’ (2,-1), B’ (-3, -2), and C’ (-2,1)

6 0
2 years ago
Help needed asap this is hard for ME i don’t get it need to finish homework by 11 pm help! If you understand Spanish too you can
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Answer:

Step-by-step explanation:

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5 0
2 years ago
Read 2 more answers
Answer:<br> A) (2, 3)<br> B) (3, 2)<br> C) (3, 4)<br> D) (3, -2)
BaLLatris [955]

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6 0
3 years ago
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Calculate the difference in the proportion of males and the proportion of females that smoke. Give your answer to 2 decimal plac
Xelga [282]

The difference in the proportion of males and the proportion of females that smoke is 0.08

<h3>Missing information </h3>

In a sample of 61 males, 15 smoke, while in a sample of 48 females, 8 smoke.

<h3>How to determine the proportion difference?</h3>

The given parameters are:

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Sample                  61                  48

Smokers               15                   8

The proportion is calculated using:

p = Smoker/Sample

So, we have:

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Female = 8/48 = 0.17

The difference is then calculated as:

Difference = 0.25 - 0.17

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Read more about proportion at:

brainly.com/question/16828793

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