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3 years ago

There are 17 girls in a class of 30 students what is the fraction of the class made up of girls

Mathematics

2 answers:

andriy [413]3 years ago

7 0

17/30 is the answer. I think

Natalija [7]3 years ago

5 0

Answer:17/30

Step-by-step explanation:

There is 17 girls which then means that there is 13 boys.

17 + 13 = 30

Reduced fraction:

17/30

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Factor 28 + 56t + 28w to identify the equivalent expressions. Choose 2 answers

ra1l [238]

Answer:

$28+56t+28w=14(2+4t+2w)\\\\28+56t+28w=28(1+2t+w)$

Step-by-step explanation:

$28+56t+28w=14\times 2+14\times 4t+14\times 2w\\\\14\ is\ common\ in\ every\ term\\\\28+56t+28w=14(2+4t+2w).........................................(1)\\\\Now\ take\ 2+4t+2w\\\\2+4t+2w=2+2\times 2t+2w\\\\2\ is\ common\\\\2+4t+2w=2(1+2t+1)\\\\Now\ substitute\ this\ in\ equation\ 1\\\\28+56t+28w=14\times 2(1+2t+w)\\\\28+56t+28w==28(1+2t+w)$

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3 years ago

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Sindrei [870]

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Step-by-step explanation:

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3 years ago

15. Construct the slope-intercept form equation of the line passing through (-5,23) and (10,-5).

Radda [10]

Answer:

15y = -28 x + 205.

Step-by-step explanation:

Slope intercept form of equation is y = mx + c where m is slope and c is the y intercept.

Now slope of line passing through points (-5, 23) and (10, -5):

$m = \frac{y_{2} - y_{1} }{x_{2} - x_{1} } = \frac{-5 -23}{10 + 5} = \frac{-28}{15}$

Now equation of line:

y = mx + c

substituting the value of m in above expression,

$y = -\frac{28}{15} x + c$

Now, since the line is passing through the point (-5, 23) therefore, x = -5 and y = 23. By substituting these values in above equation,

$23 = -\frac{28}{15} \times (-5) + c$

$23 = \frac{28}{3} + c$

$c = 23 - \frac{28}{3} = \frac{69 - 28}{3} = \frac{41}{3}$

So equation of line in slope intercept form:

$y = -\frac{28}{15} x + \frac{41}{3}$

Further solving,

15y = -28 x + 205.

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2 years ago

Mr. Martin is giving a math test next period. The test, which is worth 100 points, has 29 problems. Each problem is

Katarina [22]

Answer: A

Step-by-step explanation:

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2 years ago

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Yuliya22 [10]

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3 years ago