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3 years ago

Solve for x. x − 4 1/6 = 9 1/3 A) −131 2 B) −51 6 C) 131 2 D) 51 6

Mathematics

2 answers:

lora16 [44]3 years ago

4 0

I believe the answer is B

Sav [38]3 years ago

4 0

The answer would be: B -51 6

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david is 8 years older than stephen and 2 years younger than Graham. if Neil is 7 years younger than Graham, how much older than

ANEK [815]

5 years older...cause if David is 2 years younger than Graham & Neil is 7 years younger than Graham...7-2=5 years :)

6 0

3 years ago

What is the perpendicular distance from the line y= 2x-3 to the point (8,3)

Liula [17]

Find the perpendicular line then find the intersection then find the point

perpendicular lines have slopes that are perpendicular
the slopes multiply bo -1

y=mx+b
m=slope
y=2x-3
2 is slope

2 times what=-1
what=-1/2

the equation is
y-3=-1/2(x-8) or
y=(-1/2)x+7

find intersection
at (4,5)
distance bwetweeen (8,3) and (4,5)
D= $\sqrt{(8-4)^2+(3-5)^2}$
D= $\sqrt{(4)^2+(-2)^2}$
D= $\sqrt{16+4}$
D= $\sqrt{20}$
D=2√5
distance= 2√5

7 0

3 years ago

Solve the following system of equations.

Elan Coil [88]

Answer:

(2,-3)

Step-by-step explanation:

I am not sure if you meant the first equation to be y or -y. I solved it as y.

y = x-5 -x -3y =7

I am going to take the second equation and write it as x =

-x - 3y = 7 Give equation

-x = 3y +7 Add 3y to both sides

x = -3y-7 Multiplied each term in the equation by -1 so that x could be positive

I am going to substitute -3y-7 for x in the first equation up above

y = x - 5

y = -3y -7 - 5 Substitute -3y-7 for x

y = -3y -12 Combined -7-5

4y = -12 Added 3y to both sides

y = -3 Divided both sides by 4.

I now know that y is -3, I will plug that into x = -3y-7 to solve for x

x = -3(-3) -7

x = 9-7 A negative times a negative is a positive

x = 2

5 0

1 year ago

Can somebody tell me the answer and maybe tell me how you got it too.

asambeis [7]

To get t on one side, we have to use inverse operations to get rid of the 5.

1. Use inverse operation of multiplication to get rid of 5. Which would be division.

2. Divide both sides by 5.

5t/5 = 7 1/2 / 5

3. Solve.

5t/5 = t and 7 1/2 /5 = 1 1/2

7.5 / 5 = 1.5

Therefore, your answer would be C. divide both sides by 5, and the answer is 1 1/2.

7 0

3 years ago

You have $250. <br> You spend 45% of that. <br> how much is left?

tekilochka [14]

$137.5 is left from spending 45% of $250

8 0

3 years ago