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Masteriza [31]
4 years ago
7

Find the x and y intercepts. 3x - 2y = 20

Mathematics
1 answer:
Alex787 [66]4 years ago
6 0
Solutions: x=1<span>. Hope its right :)</span>
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Find the slope.<br> (if it's a fraction with a whole number, write it as an improper fraction)
tiny-mole [99]

As you can see, every time x increases by 2, y decreases by 5.

So, we have

m=\dfrac{\Delta y}{\Delta x}=\dfrac{-5}{2}=-2\dfrac{1}{2}

6 0
3 years ago
Which expressions are equivalent to
andrew-mc [135]

Answer

30

Step-by-step explanation:

the answer is :

90 - 60 = 30

3 0
3 years ago
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PLS HELP<br><br> 7. The computed average for a set of numbers is called the
jeyben [28]
It’s the mean!
good luck!!
5 0
3 years ago
Write an algebraic expression to represent the phrase:
IgorC [24]

Answer:  n/6 - 25

Step-by-step explanation:

We can use the vairiable <em>n </em>to represent the unknown number.

Because the question asks ofr the quotient of <em>n </em>and six, we can write the term as n/6

Because the question also asks for 25 less then that term, we can write the whole statement as:  n/6 - 25 .

Therefore, the algebraic expression to represent the phrase Twenty-five less than the quotient of a number and six is n/6 - 25.

Hope this helps and good luck! :D

5 0
3 years ago
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A, B and C are the vertices of a triangle.
DiKsa [7]

Answer:

see below

Step-by-step explanation:

To find the coordinates of the midpoints, add the x's and divide by 2 and add the y's and divide by 2.

The coordinates of D, the midpoint of AB, (1+3)/2 will be the x-coordinate and (4+0)/2 will be the y-coordinate.

D (2,2)

You could also see this on a graph, see image.

E, the midpoint of AC has the x-coordinate (1+-3)/2, which is -1 and y-coordinate (4+-2)/2 which is 1.

E is (-1,1)

Then we are able to calculate the slope of DE and BC.

To calculate slope, subtract the y's and put that on top of a fraction and subtract x's and put that on the bottom of a fraction. If the slopes are the same the segment are parallel.

Slope of DE:

(2-1)/(2--1)

= 1/3

Slope of BC:

(0--2)/(3--3)

=2/6

=1/3

The slopes of BC and DE are equal, so the segments are parallel.

(Alternatively, you could show that Triangle ABC and Triangle ADE are similar. Then find the segments parallel because corresponding angles are congruent.)

6 0
2 years ago
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