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ratelena [41]
2 years ago
14

What is the point-slope form of a line with slope -3 that contains the point (10, -1)?

Mathematics
1 answer:
Advocard [28]2 years ago
8 0

Answer:

y - (-1) = -3(x-10)

y+1= -3x+30

y= -3x+30-1

y= -3x+29

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Please help me with this question
coldgirl [10]

Answer:

cos(x-30)=1/2

Step-by-step explanation:

We use the following relationship to obtain cos(x)

sin^{2}(x) +cos^{2}(x) +1

From that, we have that cos(x)= sqrt(1-1/4)=sqrt(3) / 4

To obtain the value of cos(x-30), lets remember the following expression:

cos(a-b)=cos(a)*cos(b)+sin(a)*sin(b)

Therefor, we can use that to obtain our desired function cos(x-30)

cos(x)*cos(30)+sin(x)*sin(30)

\frac{\sqrt{3} }{2} * \frac{\sqrt{3} }{2}  +\frac{-1}{2}*\frac{1}{2}

=2/4=1/2

5 0
3 years ago
Five the equation of line that is parallel to f(x)=-2x+1 that goes through point (0,5)
erastova [34]

Answer:

y = -2x + 5

Please Mark Brainliest If This Helped!

4 0
2 years ago
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Layla leans a 26-foot ladder against a wall so that it forms an angle of 61° with the ground. How high up the wall does the ladd
Vesna [10]

Answer:

75 shay

Step-by-step explanation:

5 0
2 years ago
Exponential form 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1
Blababa [14]

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1

Step-by-step explanation:

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Expressions and Equations
marissa [1.9K]

Answer:

a. Yes

b. Yes

c. Yes

d. No

Step-by-step explanation:

a. Because -10x+4x=6x

b. 2(12-3x)=2*12-2*3x=24-6x

c. 24 and -6x just switched places.

d. 24x-6x=18x not 24-6x

3 0
3 years ago
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