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skelet666 [1.2K]
3 years ago
6

For a health assignment, Janet and Kate record how many students wear glasses in each of their classes. In Janet's class, 15 out

of the 25 students wear glasses. In Kate's class, 12 out of the 20 students wear glasses. Which class has the greater ratio of students with glasses to total students?
Mathematics
2 answers:
rewona [7]3 years ago
6 0

Answer:

They are equal

Step-by-step explanation:

prohojiy [21]3 years ago
5 0

Answer:

There are equal ratios

Step-by-step explanation:

100/25=4 and 15x4 is 60

100/20=5 and 12x5 is also 60

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I believe or if I am not mistaken it is y equals x plus 3
3 0
3 years ago
Read 2 more answers
3|1/2x + 5| + 7 = 5
egoroff_w [7]

Answer:

<em>x is -34/3 and -26/3</em>

Step-by-step explanation:

Given the expression

3|1/2x+5| + 7 = 5

Removing the modulus sign

3(1/2x+5) + 7 = 5

Subtract 7 from both sides

3(1/2x+5) + 7 - 7= 5 - 7

3(1/2x+5) = -2

Open the bracket

3/2 x + 15 = -2

Subtract 15 from both sides

3/2 x + 15-15 = -2 - 15

3/2 x = -17

3x = -2*17

3x  = -34

x = -34/3

<em>Hence the value of x is -34/3</em>

<em>For the negative function:</em>

3(1/2x+5) + 7 = 5

Subtract 7 from both sides

3(-(1/2x+5)) + 7 - 7= 5 - 7

3(-1/2x-5) = -2

Open the bracket

-3/2 x - 15 = -2

Add 15 from both sides

3/2 x + 15-15 = -2 + 15

-3/2 x = 13

-3x = 2 * 13

-3x  =26

x = -26/3

<em>Hence the value of x is -26/3</em>

4 0
3 years ago
Alma was shopping for a T-shirt at a store that advertised "15% off on everything in the store." The regular price of the T-shir
marshall27 [118]

Answer:

$13.60 is the correct sale price

Step-by-step explanation:

If a t-shirt is 15% off then you pay 85%. This means you will pay 0.85(16) = 13.60 is the correct sale price. $14 is not the correct price.

3 0
3 years ago
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Can someone help me with these 4 questions please :) .
butalik [34]

1.

60² + 30² = 4500²

Opposite corner = 67.08 ft.

//

2.

6² + 8² = 100²

The wire must be 10 ft.

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3.

7² + 14² = 245²

The rope is 15.65 ft.

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4.

180² + 300² = 122400²

He ran 349.85 ft.

//

I'm not too sure about question 3.

8 0
3 years ago
How do I solve this problem
Andrews [41]

All you do is add the numbers and that is how you get your answer!


3 0
3 years ago
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