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lianna [129]
3 years ago
14

What is the sum? -1.5 + 1.9​

Mathematics
1 answer:
Talja [164]3 years ago
4 0

Answer: 0.4

Step-by-step explanation:

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Robert drives 45 miles in 3 hours from New York City to New Jersey. How far will he drive in 5 hours?
fenix001 [56]
Ok so the awnser is 75 because 45 ÷ 3 is 15 and so 2 more hours so I added 30 to the 45 and I got 75 I think that's right please correct me
3 0
3 years ago
Two lines are perpendicular when... the product of their slope is -1, the product of the slope is greater than 0, they have the
Soloha48 [4]

The answer is the product of their slope is -1.

First, let's break this down. Perpendicular lines are line with opposite reciprocal slopes. Opposite meaning the inverse sign and reciprocal meaning flipped.

For instance,

If a line had the slope of 5, its inverse would have a slope of -1/5.

Now, if we multiply these numbers together,

5 * -1/5 = -1

The 5's cancel out.

This works for any two perpendicular lines

4 0
3 years ago
What two numbers add to 92 and multiply to 160?
KatRina [158]
None But, 80 x 2 = 160 and 80 + 2 = 82, are you sure you mean 92?

3 0
3 years ago
4. Stella is running in the 90 meter dash at her school track meet. If her speed is
ludmilkaskok [199]
It would take her about 15 seconds
3 0
3 years ago
Which scatterplot has a correlation coefficient closest to r = 1?
qwelly [4]

Answer:

The scatter diagram that contains the correlation coefficient closest to r = 1 is the first one shown in the attached images.

Step-by-step explanation:

The correlation coefficient "r" measures how much two variables x and y are related. When the variables are highly related, the value of r is closer to one and the points contained in the scatter diagrams are assimilated more and more to a line. When the value of r is positive the relation is crescent and therefore the slope of the line drawn by the points in the diagram has a positive slope


Therefore, to answer this question, one must search among the attached images for the dispersion diagram in which the points resemble a straight line with a positive slope.


The scatter diagram that meets the requirements mentioned is the first one that appears in the attached images

6 0
3 years ago
Read 2 more answers
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