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Semmy [17]
3 years ago
8

How do i do this????

Mathematics
2 answers:
lana [24]3 years ago
7 0
You would solve for x. Example- 5-x=12, you would do the opposite sign of the number with the variable on the same side, which is 5. 5 is positive so you would subtract 5 from both sides. So subtract 5 from 5 and subtract 5 from 12. Then you would be left with -x=7. Finally, you would divide -1 from both sides. Concluding with x=-7
MAVERICK [17]3 years ago
3 0
You solve for x to get your answer each time. For example, the first one. You would isolate the 4x by moving the 10 to the other side by subtracting 10 from both sides. This will give you 4x = -36. Then you divide both sides by 4 to get x = -9.
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A line passes through the points (1.4) and (2, 2). What is the equation of this line?
emmasim [6.3K]

Answer:

y = - 2x + 6

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ )  = (1, 4 ) and (x₂, y₂ ) = (2, 2 )

m = \frac{2-4}{2-1} = \frac{-2}{1} = - 2 , then

y = - 2x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (2, 2 ) , then

2 = - 4 + c ⇒ c = 2 + 4 = 6

y = - 2x + 6 ← equation of line

3 0
2 years ago
Read 2 more answers
Two boats start their journey from the same point A and travel long directions AC and AD as shown below what is the distance CD
Olegator [25]

I think its B but ima have to check again and get back to you

4 0
3 years ago
Read 2 more answers
Solve 6 + 5 √ 2 4 9 − 2 x = 7
NISA [10]

6+5\sqrt{249}-2x=7 \\-2x=7-6-5\sqrt{249} \\-2x\approx-77.9 \\x\approx\frac{-77.9}{2}\approx38.95

Hope this helps.

7 0
3 years ago
7 1/3 + 5 5/6 sum up as a fraction please 100 points
beks73 [17]

Answer:

The answer is 13 1/6

Step-by-step explanation:

The answer is 18 because 7 1/3 turns into 7 2/6 and 7 * 6 is 42 and 42 plus 2 is 44. Next You turn 5 5/6 into a improper fraction which turns into 35/6 and 35 plus 44 is 79/6 and 79/6 simplified is 13 1/6

3 0
2 years ago
Does anyone know the answers? I'm awful at evaluation. <br> |7-9|=<br> |7|-9=
ella [17]

Answer:

2; -2

Step-by-step explanation:

|7-9| = |-2| = 2

|7|-9= 7 - 9 = -2

3 0
3 years ago
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