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ser-zykov [4K]
2 years ago
12

(Gonna try this again because the last one failed and I really need help..)

Mathematics
1 answer:
antoniya [11.8K]2 years ago
4 0

I think its C. hope this helps!

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A line has a slope of -5 and passes through (1,-1).which is the equation of the line in point - slope form?
tangare [24]
The equation of a line which has the slope m and passes through the point A(x1,y1) has the formula:
y-y1=m(x-x1)
in your case m= -5 ; A(x1;y1)=(1;-1)
y-(-1)= -5(x-1)
y+1= -5(x-1)
answer is c 
8 0
3 years ago
Read 2 more answers
Find the value of x and y
Yakvenalex [24]

Answer:

x = 80, y = 122

Step-by-step explanation:

I got this equation by using vertical angles to create a complimentary angle pair (they sum to 90 degrees).

3/4x+2/5x-2=90°,

23/20x - 2=90°,

23/20x = 92°,

92/(23/20)

20/(1/4)

20(4)

= 80.

Since the angles are a linear pair on the left side(they sum to 180 degrees). Just subtract 180 from 3/4x-2 and substitute x into the expression.

180-(3/4(x)-2), 180-3/4(80)+2 = 120+2 = 122

7 0
3 years ago
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In STU, SU =18 and TU =13. Find m
erastova [34]

Answer:

m=22.2

Step-by-step explanation:

By using the Pythagorean’s theorem i.e

hypotenuse^2=opposite^2+adjacent^2

Where

Hypotenuse =unknown

Opposite =18

Adjacent =13

Hyp^2=18^2+13^2

Hyp^2=324+169

Hyp^2=493

Hyp=sqrt 493

Hyp=m=22.2

3 0
3 years ago
Determine the dependent variable in the statement:
Mice21 [21]

Answer:

2

Step-by-step explanation:

The speed depends on how hard Sam throws the ball so the dependant variable would be the speed.

4 0
2 years ago
Find the linear function with the following properties. <br><br> f(0)=−9 Slope of f=−8
Ratling [72]

Answer:

  • f(x) = -8x - 9

Step-by-step explanation:

<h3>Given </h3>

<u>Function f, with </u>

  • f(0) = -9
  • Slope of f = -8
<h3>To find</h3>
  • Linear function
<h3>Solution</h3>

<u>Slope-intercept formula</u>

  • f(x) = mx + b
  • f(0) = -9 means y-intercept b = -9, and the slope is m = - 8

<u>So the function is</u>

  • f(x) = -8x - 9
6 0
3 years ago
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