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Anastasy [175]
2 years ago
6

Explain how to write a linear equation for a line on a graph.

Mathematics
1 answer:
WARRIOR [948]2 years ago
3 0

Use y = mx + b.

<u>m represents the slope of the line.</u>

the slope equals rise over run.

in other words, count the number of vertical and horizontal units from one point to another point on the line.

if you have the y-intercept and a point, you can also solve for m.

<u>b represents the y-intercept.</u>

find the point on the graph where x = 0.

b is the value of y.

for example, if the y-intercept was (0,4) then b would equal 4.

<u>x and y represent a point on the graph.</u>

pick any point on the graph and plug it in.

for example, if the point (1,2) is on the graph then x = 1 and y = 2.

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How do you solve X for this
kaheart [24]
So it's part of a diameter with the 40, so you should have taken 180-40=140 then it should have been set equal to 140. So 22x+8=140 then 22x=132 then 132÷22=6 so x=6
8 0
2 years ago
A viewfinder has a triangular lens. Some of the measurement of the length are shown below. Which of the following best represent
S_A_V [24]

Answer:

A

Step-by-step explanation:

First, we need to find the unknown angle of the triangle.

40 + 20 = 60

180 - 60 = 120

So the unknown angle is 120.

Then, we can use the law of sines to create a proportion.

sin(120)/8 = sin(40)/a

Then, we can simplify this.

a is about 5.9, or answer choice A.

5 0
2 years ago
54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens = ________(1 Point)
Afina-wow [57]

Answer:

38,660

Step-by-step explanation:

54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens

54 thousands = 54000

6 hundreds = 600

12 ten = 12*10 = 120

54 thousands 6 hundreds 12 tens = 54000+600+120 = 54720

15 thousands = 15000

8 hundreds = 800

26 tens = 26*10 = 260

15 thousands 8 hundreds 26 tens = 15000+800+260 = 16060

Thus,

54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens

= 54720- 16060 = 38,660 (Answer)

3 0
3 years ago
Complete the point slope equation of the line through(-1,-10)and(5,2).<br>y-6=​
Lynna [10]

Answer:

<h2>y - 6 = 2(x - 7)</h2>

Step-by-step explanation:

The point-slope of an equation of a line:

y-y_1=m(x-x_1)

m - slope

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the poinys (-1, -10) and (5, 2). Substitute:

m=\dfrac{2-(-10)}{5-(-1)}=\dfrac{12}{6}=2

Put the value of the slope and the coordinateso f the point (5, 2), to the equation of a line:

y-2=2(x-5)

In the question we have y - 6 = ...

Therefore

y-2=2(x-5)    <em>subtract 4 from both sides</em>

y-6=2(x-5)-4          <em>use the distributive property</em>

y-6=2x-10-4

y-6=2x-14      <em>distributive</em>

y-6=2(x-7)

5 0
3 years ago
The price of a USB flash drive increases to 5/4 of its original price . The new price is $25 . what was the original price ?
ohaa [14]
5/4 times originally price
5 0
3 years ago
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