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astra-53 [7]
2 years ago
14

Y=3x+2 scope and graphing

Mathematics
1 answer:
DedPeter [7]2 years ago
6 0
The general rule for a linear equation is y=mx+c where m is the slope or gradient... therefore the slope is 3.

Now we need to get 2 points on the line.

You can easily get the y-int by substituting x=0 into the equation... therefore the y-int is 11... you have one point on the line: (0,11)

Now that you have one point and we know the gradient or slope which is 3, go from the point you have found (0,11) and go up 3 and across 1 to find a second point... then simply rule a line in between the two points.
You might be interested in
What phrase represents this expression x/3
Anna11 [10]

Answer:

X PARTS OF AN INTEGER DIVIDED INTO 3 PARTS

Step-by-step explanation:

X PARTS OF AN INTEGER DIVIDED INTO 3 PARTS

5 0
3 years ago
I am very confused, please help!
adelina 88 [10]
The answer is x = 12
5 0
3 years ago
Read 2 more answers
Can some explain how to do this?
zepelin [54]

Answer:

  • Exact Area = 210.25pi - 210
  • Approximate Area = 450.185

The units for the area are in square inches or in^2. The approximate value shown above is when using pi = 3.14

=============================================================

Explanation:

Use the pythagorean theorem to find the length of the hypotenuse

  • a = 20
  • b = 21
  • c = unknown

a^2 + b^2 = c^2

20^2 + 21^2 = c^2

400 + 441 = c^2

c^2 = 841

c = sqrt(841)

c = 29

The hypotenuse is 29 inches long. This is the diameter of the circle. Half of that is the radius at r = d/2 = 29/2 = 14.5 inches.

The area of the circle is...

A = pi*r^2

A = pi*(14.5)^2

A = pi*210.25

A = 210.25pi

Which is exact in terms of pi

We'll subtract off the triangular region as this isn't shaded in. The area of the triangle is base*height/2 = 20*21/2 = 420/2 = 210 square inches.

So the shaded region is therefore 210.25pi - 210 square inches

This approximates to 210.25*3.14 - 210 = 450.185 when using the approximation pi = 3.14; use more decimal digits of pi to get a more accurate value.

4 0
3 years ago
Hey bro take these points
Stella [2.4K]

Answer:

steve is cute

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Please help! I need this soon.
antiseptic1488 [7]

what multiplied by what is 15 but added together is 8

......................................................

Answer: a

6 0
3 years ago
Read 2 more answers
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