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Ludmilka [50]
3 years ago
13

What is the y-value in the solution to this system of linear equations?

Mathematics
1 answer:
Romashka [77]3 years ago
4 0

Answer:

-4

Step-by-step explanation:

cause 4x4 = 16 and 4+5 =o so you could use four in each one right

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Tell whether the ratios form a proportion<br>True <br> or<br>False ​
12345 [234]

Answer:

True

Step-by-step explanation:

Hopefully this helps

8 0
2 years ago
Rlly need help with Linear equations in any form ;-;
S_A_V [24]

Answer:

y = -x - 2

Step-by-step explanation:

Find two points on the line

(0, -2)

(4, -6)

(Y2-Y1)/(X2-X1) = gradient of the line

Where (X1,Y1) = (0, -2) and (X2,Y2) = (4, -6)

(-6--2)/(4-0)

(-6+2)/4

(-4)/(4)

-1

Y = (-1)X + c

Substitute either set of coordinates in to find c.

(0, -2)

Y = (-1)X + c

-2 = (-1)0 + c

-2 = 0 + c

-2 = c

(4,-6)

Y = (-1)X + c

-6 = (-1)4 + c

-6 = -4 +c

-6 + 4 = c

-2 = c

Y = -X -2

6 0
3 years ago
{(−1, 5), (2, 8), (5, 3), (13, −4)} what are the range
makkiz [27]
(x;\ y)\\\\(-1, \fbox5), (2, \fbox8), (5, \fbox3), (13, \fbox{-4})\\\\\boxed{The\ range:y\in\{-4;\ 3;\ 5;\ 8\}}
7 0
3 years ago
If Gabby wants to make a regular octagon with a side length of 20 inches using a wire how much wire does she need? Justify your
liraira [26]

Answer: 160 inches.

Step-by-step explanation:

If an octagon has 8 sides and the side length is 20 inches, 20 x 8 = 160 inches. That means she needs 160 inches of wire.

4 0
3 years ago
Plz help math question
Lina20 [59]

Answer:

y = -2x +20

6x - 5y = 12

Put the value of y in 2nd equation

6x - 5( -2x +20 ) = 12

6x +10x -40 = 12

16x = 12 +40

16x = 52

x = 13/4

Putting the value of x in equation 1

y = -2x +20

y = -2(13/4 ) +20

y = 27/2

Do mark me as brainly. THANKS

6 0
3 years ago
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