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3 years ago

Please help ASAP!! will give brainest answer !

Mathematics

1 answer:

Sliva [168]3 years ago

8 0

Answer:

I hated doing this in middle school

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Please help me with this math problem

Leto [7]

Answer:

the MEAN for class a is 72.6

the MEAN for class b is 84.0

if you take these means and compare them, you can see that on average, class B performed better.

the MEDIAN for class a is 72

the MEDIAN for class b is 85

Step-by-step explanation:

4 0

2 years ago

Determine the equation of the line that passes through points (-4,5) and has a slope of m = -3

zheka24 [161]

Answer:

y=-3x-7

Step-by-step explanation:

You want to find the equation for a line that passes through the point (-4,5) and has a slope of -3.

First of all, remember what the equation of a line is:

y = mx+b

Where:

m is the slope, and

b is the y-intercept

To start, you know what m is; it's just the slope, which you said was -3. So you can right away fill in the equation for a line somewhat to read:

y=-3x+b.

Now, what about b, the y-intercept?

To find b, think about what your (x,y) point means:

(-4,5). When x of the line is -4, y of the line must be 5.

Because you said the line passes through this point, right?

Now, look at our line's equation so far: . b is what we want, the -3 is already set and x and y are just two "free variables" sitting there. We can plug anything we want in for x and y here, but we want the equation for the line that specfically passes through the the point (-4,5).

So, why not plug in for x the number -4 and for y the number 5? This will allow us to solve for b for the particular line that passes through the point you gave!.

(-4,5). y=mx+b or 5=-3 × -4+b, or solving for b: b=5-(-3)(-4). b=-7.

4 0

3 years ago

Can a triangle with side lengths of 8, 15, and 17 be a right triangle?

Nookie1986 [14]

Yes it is.
Glad to help!

7 0

3 years ago

Read 2 more answers

This question is kind of confusing to me. Can I get some help?

swat32

Answer:

b. $\frac{1}{3}$

Step-by-step explanation:

The scale factor is the number by which one must multiply all sides in a triangle such that its sides are the same as another triangle. This only works in similar triangles (triangles where all of the angles between them are congruent or have the same measures).

8 0

3 years ago

A book publisher publishes both fiction and nonfiction books. Let F represent the number of words, per chapter, for fiction book

TEA [102]

Answer:

yo u gonna be in trouble for plagiarism i got kicked outta school for that awhile ago be careful on this mate

Step-by-step explanation:

6 0

3 years ago