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VladimirAG [237]
3 years ago
9

3(2x+7)-1=3y+21 solve for x

Mathematics
1 answer:
Ad libitum [116K]3 years ago
6 0

Answer:

Alright well isolate the variable by dividing each side by factors that don't contain the variable. So the Answer is

x = y/2 Well Hope this helps :)

Step-by-step explanation:


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A set of 5 numbers has a mode of 12 a median of 11 a mean of 10 what could the numbers be?
BabaBlast [244]
The median is 11, so 11 is part of the data set. We have an odd number of values (5) which is why the median is part of the data set.

The mode is 12. The value 12 shows up the most times. Let's say it shows up twice. So far the data set is {11, 12, 12}

Let's introduce two more numbers x and y
The new data set is {x, y, 11, 12, 12}

Add up the five values and then divide by 5. We want this result to be equal to 10
(x+y+11+12+12)/5 = 10
(x+y+35)/5 = 10
x+y+35 = 10*5
x+y+35 = 50
x+y = 50-35
x+y = 15

So we don't know what x or y is, but we know that they must add to 15. So all you have to do is list two numbers that add to 15. One such pair is x = 6 and y = 9. Another pair is x = 7 and y = 8. There are infinitely many possibilities if you can use any real number. 

So one possible set is {6, 9, 11, 12, 12}
Another possible set is {7, 8, 11, 12, 12}
4 0
3 years ago
Read 2 more answers
if the perpendicular drawn from any two vertices to their opposite sides of a triangle are equal prove that the triangle is an i
julsineya [31]

Go and answer yourself is going to benificial for you hdhdjdjdb

Step-by-step explanation:

Put you pen in your hand and hold it titely and put in your

3 0
3 years ago
HELP!! Find the the surface area and round to the nearest tenth!
Nat2105 [25]
Well, first do height times width times depth, so 2 times six times eleven. so what's 12 times eleven? 132. Now multiply 132 times two and get 264. Your answer is 264.
4 0
3 years ago
What is the average distance form the mean of the numbers: 10,8,5,12,20
algol13

Answer: 11

Step-by-step explanation:

Add all the numbers, then divide by how many numbers there are which is 5.

Basically how you get your average

5 0
3 years ago
Scarlett stopped at a campground along the Appalachian trail. The campground had a 1 2 acre area for tents, which was divided in
Juli2301 [7.4K]

Answer:

Each tent site is 1/12 acre

Step-by-step explanation:

1/2 acre for tents divided by 6

1/2 ÷6

Copy dot flip

1/2 * 1/6

1/12

Each tent site is 1/12 acre

7 0
3 years ago
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