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Naya [18.7K]
3 years ago
15

The table shows which school subjects are favored by a group of students. Predict the number of students out of 400 that would p

ick science as their favorite subject.

Mathematics
2 answers:
dlinn [17]3 years ago
5 0
The answer would be 60
jonny [76]3 years ago
3 0

Answer:

60

Step-by-step explanation:

First, 3÷20 which equals .15. after do .15×400 to get to 60 students

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Sarah buys 5 rulers and 4 pens work out how much she will pay give your answer in £
Troyanec [42]

Answer:

£550

Step-by-step explanation:

8 0
3 years ago
If K is the midpoint of JL, JK = 9x - 1 and KL = 2x + 27, find JL
snow_lady [41]

Answer:

JL = 70

Step-by-step explanation:

7 0
2 years ago
What is an equation that is perpendicular to the line y = -2?
finlep [7]

Answer:

y=2  is a line parallel to the x axis that passes through the point (0,2)

A line perpendicular to it would any line that is parallel to the y axis, which crosses the x axis at any point.

Step-by-step explanation:

Perpendicular lines are always found by reciprocating the negative value of the slope in question.

The slope in this case, in y = 2, is zero. You have a horizontal line hovering at the value “2” in the y-dimension, parallel to the x dimension. You can tell the slope is zero since there is no coefficient value paired with “x” so you can assume that since value multiplied by 0 is zero, the same instance has been performed in favor of a dearth of “x.”

Alright. So slope zero. The negative of zero is zero, since zero is neutral. It is neither positive nor negative (though some people tend to see it as positive for reasons irrelevant to your question. Will be answered at your request).

If you take the reciprocal of zero, it becomes undefined because what was once a numerator (0 divided by any number except 0, because then it would already be undefined) becomes a denominator (any numerator divided by 0 becomes undefined by default, as explained already). So now you can assume that the new line is undefined. This means that it is vertical! The only line that does not pass as a function. And it makes sense. A slope of 0 is 90° from a slope of no defined value, which will take on an unknown x-value since its location is not specified.

7 0
3 years ago
The last answer is highlighted becausese its wrong. Please help me
LenaWriter [7]
Multiplication Property of Equality: They multiplied both sides by 5/3 to isolate x on the left

8 0
3 years ago
A line passes through (5,-2) with a slope of 1/4. Write the equation in slope-intercept<br> form.
trapecia [35]

Answer: y = \frac{1}{4}x - 3 \frac{1}{4}

Step-by-step explanation:

    Slope-intercept form is in the form of y=<em>m</em>x + <em>b</em> where m is the slope and b is the y-intercept.

    We are given the slope, so we will plug this in.

y = <em>m</em>x + <em>b</em>

y = (\frac{1}{4})x + <em>b</em>

<em />

    Now, we will solve for the y-intercept by plugging in the point they give us.

y = (\frac{1}{4})x + <em>b</em>

(-2) = (\frac{1}{4})(5) + <em>b</em>

-2 = 1.25 + <em>b</em>

-3 \frac{1}{4} = <em>b</em>

<em />

    Lastly, we will plug this variable into the equation we wrote above for our final answer.

y = \frac{1}{4}x - 3 \frac{1}{4}

    <em>Read more about writing a </em><em>slope-intercept form</em><em> equation for this problem here:</em>

<em>brainly.com/question/13874293</em>

4 0
1 year ago
Read 2 more answers
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