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Alexeev081 [22]
3 years ago
12

Do this and you’ll get 25 points

Mathematics
2 answers:
MrRissso [65]3 years ago
6 0

Answer:

1

Step-by-step explanation:

m= (y-y1)/(x-x1)

Points are  (-10, -20) and (1, -9)

m= (-20+9)/(-10-1)= (-11)/(-11)= 1

m=1 to replace ? mark

vodka [1.7K]3 years ago
6 0

Answer:

y = -11/9x + 70/9

therefore:

Gradient = -11/9

Y intercept = 70/9

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Solve the system using substitution. Show all work.<br> ( 4х + 5y = 7<br> у = 3х + 9
Lina20 [59]

Answer:

(4x+5y=7

y=3x+9

4x+5(3x+9)=7

4x+15x+45=7

19x=7-45

19x= -38

19×/19=-38/19

x= -2

whlie y=3x+9

y=3(-2)+9

y= -6+9

y=3 end solution

x= -2,y= 3

3 0
2 years ago
Could someone help me with number 17.
NeX [460]

Answer:

y=-7

Step-by-step explanation:

if g(x)  is g(-2) that means that x=-2 so we plug that in so 5*-2+3

5*-2+ -10  

-10+3+ -7

so y=-7

3 0
3 years ago
Read 2 more answers
Please help me with this problem
choli [55]
You multiply all the numbers together
3 0
3 years ago
A ladder is resting against a wall. the ladder and the ground make an angle of 39° and the ladder is 14 ft long. how far away fr
zhannawk [14.2K]
Let:

the ladder length = l
the distance from the wall and the ladder = x


cos (39) = x / l

x = l  * cos (39) = 14  * cos (39) = 10.88 ft




Hope that helps



8 0
3 years ago
1. What is the volume of the cylinder below? Round<br> to the nearest tenth.<br> 10 in.<br> 30 in.
iragen [17]
What are you rounding to?
7 0
3 years ago
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