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Gwar [14]
3 years ago
11

Paul is solving an equation on the bottom of a page. His pen breaks, and ink spills on the corner of the page where the equation

is written, as shown.
Paul knows only one number or expression is covered by the ink stain, and he knows that the equation has a solution of 6. What must be the covered number or expression?

A. 3
B. 3x
C. 6x
D. 6

Mathematics
1 answer:
svlad2 [7]3 years ago
5 0

Answer: Option B

Step-by-step explanation:

If the solution is 6 then it means that x=6.

Let's call the missing number <em>y</em>

<em> </em>Substitute x=6 and <em>y</em> into the equation and solve for <em>y: </em>

6(6+4)=6(6+7)-y\\6(10)=6(13)-y\\60=78-y\\y=78-60\\y=18

The options does not show 18, but the option B shows 3x, then if x=6:

3x=3*6=18

The answer is the option B

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KM bisects ∠LKJ. If m∠LKM = 4x + 12 and m∠MKJ = 6x - 6, find the value of x. *
riadik2000 [5.3K]

Given that,

KM bisects ∠LKJ.

m∠LKM = 4x + 12 and m∠MKJ = 6x - 6

To find,

The value of x.

Solution,

As KM bisects ∠LKJ. It would mean that,

m∠LKM = m∠MKJ

Putting the above values,

4x+12=6x-6

We can solve the above equations as follows :

4x-6x=-12-6

-2x=-18

x=9

Therefore, the value of x is equal to 9.

6 0
2 years ago
HELP I NEED HELP !!!
WARRIOR [948]
It's shifted up two units. You can tell this by mapping the point of change as the origin in the original graph and (0,2) in the second graph. 
3 0
3 years ago
Answer #1 please ASAP
Ad libitum [116K]

Answer:

4.5

Step-by-step explanation:

To find the median, put the data in order from smallest to largest

1,2,2,3,4,4,5,5,8,10,10,11

The count up the number of data points

12

Divide by 2

12/2

Split the data into 2 groups, 6 in each, starting at the beginning

1,2,2,3,4,4,   5,5,8,10,10,11

Since there is an even number

Add the last number in first group and the first number in the last group and divide by 2

(4+5)/2 = 9/2 = 4.5

The median is 4.5

6 0
3 years ago
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Masja [62]

Answer:

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Step-by-step explanation:

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