4 years ago

What is the solution to the system of equations?

1 answer:

3 0

The correct answer would be -3, -6, this is because when you add 4 to the consistent, then divide by the inconsistent variable, you get -3, this will be your Y axis. To get the X axis you simply need to divide the Y axis by four, then multiply it by two to get -3. This will put your answer as -3,-6 I hope this helps, pleas mark brainiest.

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A red candle is 8 inches tall and burns at a rate of 7/10 inch per hour.

WITCHER [35]

Answer:

4 Hours

Step-by-step explanation:

we will set up two linear equations first by taking the initial height if each candle and subtracting the rate they burn at times our input variable of time (x) equal to height (y)

So, 8-7/10x=y and 6-1/5x=y

then, because both equations equal y you can set them equal to each other so

8-7/10x=6-1/5x

Finally, solve for x

8-7/10x=6-1/5x

subtract 6 from both sides

2-7/10x=-1/5x

add 7/10 x to both sides (1/5x=2/10x)

2=5/10x

simplify

2=1/2x

x=4

6 0

3 years ago

What is 1/3 x − 5 = 12? A. 17/3 B. 7/3 C. 21 D. 51

timofeeve [1]

1/3x - 5 = 12
1/3x = 12 + 5
1/3x = 17
x = 17 : 1/3
x = 51 (answer D)
----------------------------

3 0

4 years ago

Can someone please help me out

Fed [463]

Replace y with 0 and solve for x.

Exact Form: x = 3 + √2 , 3 −√2

Decimal Form: x = 4.41421356, 1.58578643

It is C and D

5 0

4 years ago

quentin recorded the weather for the past 100 days. it rained on 28 of the days. which fraction and decimal represent how many d

borishaifa [10]

0.28 and 28/100(or 7/25)

5 0

4 years ago

If f(x)=x^2-2x find f(-3)

Arturiano [62]

Just substitute (-3) wherever you see x
(-3)^2 -2(-3) +3= 9+6+3=18 ( SORRY IF IM WRONG OR DID IT WRONG?? )

7 0

3 years ago