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tekilochka [14]
3 years ago
8

Write an equation in point-slope form that has a y-intercept at (0, 12) and also contains the point (1,2)

Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0

Answer:

y-2=-10(x-1).

Step-by-step explanation:

The point slope form is y-y_1 = m(x-x_1). Now we find the slope, which is 2-12 (-10)/1-0(1). This gives us -10. Now we plug the coordinates from one of the points and the slope to get y-2=-10(x-1).

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Solve for b -233=6(3+7b)+1 a. -10 b. -3 c. -6 d. -13
Svet_ta [14]

Answer: b = -6

Step-by-step explanation:

-233 = 6(3+7b) +1

-233 = 18 + 42b +1

-233 - 18 - 1 = 42b

-252 = 42b

-252/42 = b

b = -6

4 0
3 years ago
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What is a 90 degree counter clockwise rotattion on a graph
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<h2><u>Answer:</u></h2><h2>90 Degree Rotation</h2><h2>When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative.</h2>

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7 0
4 years ago
Please help, thank you! ​
DochEvi [55]

we know angle RLP= 100⁰

also

angle RLP+ angle RLB=180⁰(Linear pair)

=>100⁰+angleRLB= 180⁰

=> angle RLB=80⁰

since BR and LR are equal, angle RBL and angle RLB are equal

therefore angle RBL is also equal to 80⁰

using angle sum property of triangles we know that the sum of all angles in a triangle is equal to 180⁰

=>angle BRL+angle RBL+angle RLB= 180⁰

=> angle BRL+80⁰+80⁰=180⁰

=>angle BRL = 180⁰-160⁰

=>angle BRL= 20⁰

I'm sorry it took me some time I'm a slow typer

4 0
3 years ago
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Draw the segment PQ with endpoints P(-2, -1) and Q(2,4) on the coordinate plane. Then find the length and midpoint of PQ.
TiliK225 [7]

The graph of the line segment PQ is attached. To find the length, we have to use distance formula which is

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PQ = \sqrt{16+25} = \sqrt{41}

To find the midpoint,we have to use the formula

( \frac{x_{1}+ x_{2} }{2} ,\frac{y_{1}+ y_{2} }{2} ) = (\frac{-2+2}{2} , \frac{-1+4}{2} )

= ( \frac{0}{2} , \frac{3}{2} ) = (0 , \frac{3}{2} )

4 0
4 years ago
1. Priya can bike 150 meters in 20 seconds.
Wittaler [7]
The answer would be 400 seconds
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3 years ago
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