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IrinaVladis [17]
3 years ago
12

A rate is a ratio Sometimes always or never?

Mathematics
1 answer:
earnstyle [38]3 years ago
5 0
Sometimes should be the answer
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A shirt has a ticket price of $14.50 courtney used a coupon and got discounted of 20%
cluponka [151]

Answer:

where is the question

Step-by-step explanation:

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2 years ago
Jessica wrote down a fraction on a piece of paper. If you take her fraction and multiply it by four you get sex. can you guess w
RideAnS [48]
1 1/2

6÷4 = 1 1/2

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3 years ago
3) James earned a total of $900 last week. He worked for 5 hours at his usual rate, then earned a bonus of $20 for each hour tha
agasfer [191]

Answer:

$160 hourly rate

Step-by-step explanation:

20 x 5 = 100

900 - 100 = 800

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3 0
2 years ago
Can you please explain this?​
Leni [432]

Answer:

The question is giving you pairs of points in space which can be used to define lines. It is then asking you to determine if the lines defined by those points are parallel, perpendicular, or neither.

Step-by-step explanation:

Two key things you need to know to solve this is that the lines will be parallel if their slopes are the same, and perpendicular if one slope is the negative reciprocal of the other (i.e. s_{1} = -s_{2}^{-1})

Let's start with question 11. You are given two pairs of points, each of which describes a distinct line:

(3,5)-(1,1) and (0, 2)-(5, 12)

To find the slope of each pair, take the vertex with the lesser x co-ordinate, and subtract it from the vertex with the greater x co-ordinate.  That will give us a valid Δx and Δy to get the slope.

In the first pair, 3 > 1, so we'll subtract the second point from the first:

s = \Delta y / \Delta x\\s = \frac{5 - 1}{3 - 1}\\s = 4/2\\s = 2

So the first pair of vectors describe a line with a slope of 2.  Let's look at the other pair:

s = \Delta y / \Delta x\\s = (12 - 2) / (5 - 0)\\s = 10 / 5\\s = 2

That also gives us a slope of 2, meaning that the two lines are parallel.

This same process will need to be done for the other three questions.  We can't answer questions 12 or 14 here, as the last point is cut off on the edge of the image.  For question 3 though, one line has a slope of 7/3, and the other 3/7. That puts them in the "neither" category, as one is not the negative reciprocal of the other, but instead the positive reciprocal.

6 0
3 years ago
Which quadrant does the point (-3, 6) lie in?<br><br> Quadrant IV<br> Quadrant I<br> Quadrant II
elena-14-01-66 [18.8K]

It should be in Quadrant II! <3

6 0
3 years ago
Read 2 more answers
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