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GenaCL600 [577]
3 years ago
5

Please explain step by step I dont get it.

Mathematics
1 answer:
Goshia [24]3 years ago
3 0
Every 84 points they will get 7 coins so find the graph that plots that.
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Solve 19.9 = 9 y - 8.<br><br> y =
pogonyaev

Answer:

1.3223 is the answer for y

5 0
3 years ago
Read 2 more answers
Solve the following system of equations graphically. y - 4 = 0 2x - y - 2 = 0 What is the solution set?
tatiyna

Answer:

{(x,y)|(x=3,y=4)}

Step-by-step explanation:

The given system of equations is;

y-4=0...(1)

and

2x-y-2=0...(2)

We rewrite the equations in the standard form to get:

y=4...(3)

2x-y=2...(4)

We now substitute equation (3) into equation (4) to get:

2x-4=2

Group similar terms:

2x=2+4

2x=6

Divide both sides by 2

\frac{2x}{2}=\frac{6}{2}

This implies that:

x=3

Therefore the solution set is:

{(x,y)|(x=3,y=4)}

7 0
3 years ago
7 19/22-1 8/11 how do you subtract fractions?
Softa [21]
The answer is 6 3/22
i multiplied the numerator and denominator by 2 of the second equation and subtracted like tht.
8 0
3 years ago
Y = 5x + 9 (-2, -3) pls help me
Nuetrik [128]

Answer:

Not a solution.

Step-by-step explanation:

y = 5x + 9

-3 = 5(-2) + 9

-3 = -10 + 9

-3 ≠ -1

The point given is not on the line. It is NOT a solution to the equation.

Hope this helps.

8 0
3 years ago
A pilot can see the runway she is about to land on directly ahead. when looking at each end of the runway the angles of depressi
pogonyaev
We will use trigonometry:
tan 45° = 1500 / x
1 = 1500 / x
x = 1500 ft
tan 42° = 1500 / y
0.9 = 1500 / y
y = 1500 : 0.9
y = 1666.67 ft
L = y - x ( where L is the length of the runway )
L = 1666.67 - 1500 = 166.67 ft.  
8 0
4 years ago
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