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strojnjashka [21]

3 years ago

10

On Wednesday, 1,200 students stayed for SSC. Of the students who stayed, 25% stayed for math, 40% stayed for science and the res

t stayed for History. How many students stayed for history?

1 answer:

Lapatulllka [165]3 years ago

3 0

Answer:

420 students stayed for history.

Step-by-step explanation:

35% of 1200 is 420

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The grades on the last history exam had a mean of 75%. Assume the population of grades on history exams is known to be normally

RUDIKE [14]

34% . <span>Since going from 75% to 82% is simply the right portion of that middle, the answer is half of 68%, or 34%.</span>

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3 years ago

of the students in your class, 12% are left-handed. What fraction of the students are left-handed? Are there more right-handed o

Ksivusya [100]

Answer:

<em><u>The answer here is 3/25, more left handed students.</u></em>

Step-by-step explanation:

12/100 are left handed, which reduces to 3/25. This means that there are only 3 left handed kids for every 22 right handed kids, showing that there are more right handed students than left handed.

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3 years ago

What is the median of 5, 9, 6, 6, 7, 5, 8, 7, 6

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6.
Put them on order from least to greatest.
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3 years ago

Read 2 more answers

What is the slope of the line with points A and B?

marshall27 [118]

Answer:

-1

Step-by-step explanation:

A = (0,0)

B = (1,-1)

Slope = (-1-0)/(1-0) = -1/1 = -1

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3 years ago

The point-slope form of the equation of a line that passes through points (8,4) and (0, 2) is y-

Oksi-84 [34.3K]

For this case we have that by definition, the equation of a line of the slope-intersection form is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis

While the point-slope equation of a line is given by:

$y-y_ {0} = m (x-x_ {0})$

Where:

m: It's the slope

$(x_ {0}, y_ {0}):$ It is a point through which the line passes

In this case we have a line through:

(8,4) and (0,2)

Therefore, its slope is:

$m = \frac {2-4} {0-8} = \frac {-2} {- 8} = \frac {1} {4}$

Its point-slope equation is:

$y-4 = \frac {1} {4} (x-8)$

Then, we manipulate the expression to find the equation of the slope-intersection form:

$y-4 = \frac {1} {4} x- \frac {8} {4}\\y-4 = \frac {1} {4} x-2\\y = \frac {1} {4} x-2 + 4\\y = \frac {1} {4} x + 2$

Therefore, the cut-off point with the y-axis is $b = 2$

ANswer:

$y = \frac {1} {4} x + 2$

7 0

3 years ago