Temperature

Mathematics

2 answers:

RSB [31]3 years ago

7 0

A because -16 is colder then all the other temperatures. Hope this helped

soldi70 [24.7K]3 years ago

6 0

Hello there!!

Looking at the table, I can automatically rule out B) and D) because Fraser is -5 degrees and Harbin is -10. Harbin is obviously colder than Fraser in January, so that is incorrect. As for D) you can tell that Barrow is -16 degrees in January. Do the other cities even come close? Now C) Grand Fork is not the coldest city in January, for Barrow is -16.

In conclusion, your answer would be A) because:

Barrow is the coldest city in January.

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The answer is 15,

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Write the following in slope-intercept form.

Umnica [9.8K]

Answer:

$\huge\boxed{y=4x-7}$

Step-by-step explanation:

Linear equations will always be in the form $y=mx+b$ , where m is the slope and b is the y-intercept

Since we know nothing about this equation, other than the fact that there are two points in it, we must find the slope and the y-intercept.

Luckily, we have two points to work with. We know that the slope between two points will be the change in y divided by the change in x ( $\frac{\Delta y}{\Delta x}$ ), so we can use the two points given to us to find both changes.

The y value goes from 1 to 17, which is a $17-1=16$ change.

The x value goes from 2 to 6, which is a $6-2=4$ change.

Now that we know both changes, we can divide the change in y by the change in x.

$\frac{16}{4}=4$

Now that we know the slope (4), we can plug it into our equation ( $y=mx+b$ ).

$y=4x+b$

Now all we need to do is find the y-intercept. Since we know the slope and one of the points the line passes through, we can find the y-intercept by substituting in the values of x and y. Let's use the point (2, 1).