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Serggg [28]
2 years ago
13

A straight line passes through points (-1, 5) and (2, -4). What is the law of the function represented by this line?​

Mathematics
1 answer:
bagirrra123 [75]2 years ago
7 0

Answer:

y = -3x+2

Step-by-step explanation:

See attachment.

Find the slope:

Rise = (-4 - 5) = -9

Run = (2 - (-1)) = 3

Slope(Rise/Run) = -3

Find the y-intercept:

y = mx + b

y = -3x + b

5 = -3*(-1)+b  [Use point (-1,5)

b = 2

====

y = -3x + 2

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8+—3(6+—6a) help please
LenKa [72]
We know that:

(+)+(-)=(-)

and:

(-)*(+)=(-)

8+(-3)[6+(-6a)]=8+(-3)*6+(-3)*(-6a)=8-18+18a=(-10)+18a

if you have solve for a then:

(-10)+18a=0
18a=10
a= \frac{10}{18}
a=\frac{5}{9}

5 0
3 years ago
F(t)=t^2-3t<br> g(t)=2t+1<br> find f(g(t))
statuscvo [17]

Answer:

f (2t + 1) = 4t^{2} - 2t - 2

7 0
2 years ago
The parking lot for a hotel should have 114 parking spaces. If ech row can have 13 parking spaces, then the minimum nukber of ro
MArishka [77]

So @mathmate deleted my comment because "I wasn't explaining my answer" well I did

I clearly stated that you have to make educated guess and I showed how I GOT my answer

so i guess here is my "proper" answer

There is no specific formula for this, so you can make an educated guess

for example:

13*5 = 65 (this isn't right because we need a minimum of 114)

so we continue the guessing

I then next tried

13*9

I got 117,

117 is more than 113

making 9 the minimum amount of rows for the hotel parking lot


there ya go @mathmate is that clear enough?

4 0
3 years ago
the measure of one of the angles of a triangle is 35 degrees, the sum of the measures of the other two angles is 145 degrees and
kozerog [31]
80 and 65 are the measurements
7 0
3 years ago
Help me with this please! :D
Nady [450]

Answer:

#1=2

#2= 14

#3= 26

#4= 32

Step-by-step explanation:

y=6x-16

Lets use the first one as an example: since x is our variable we can plug in 3 into the equation to make y=(6x3)-16. 6x3=18, so y=18-16 which is 2. You can plug in any other number to find your answer as long as you follow the pattern in the equation.

8 0
3 years ago
Read 2 more answers
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