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densk [106]
3 years ago
14

|x+2|-3=9 please help!!! Solve twice!!! Two answers!!!

Mathematics
2 answers:
Over [174]3 years ago
6 0
×= 10 and ×= -14

Find x by simplifying both sides of the equation then isolate the variable.
Solnce55 [7]3 years ago
6 0

|x+2| - 3 = 9

Option 1:

x + 2 - 3 = 9

x - 1 = 9   <em>  add 1</em>

x = 9 + 1

x = 10

Option 2:

-(x+2) - 3 = 9  <em>Distribute "-" through the parenthesis </em>

-x - 2 - 3 = 9

-x - 5 = 9     <em>Add 5</em>

-x = 9 + 5

-x = 14   <em>Multiply by -1</em>

x = -14

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Graph 3 is the answer. Choose a point on the line. Go down by 3. Then go to the right by 5.
4 0
3 years ago
You are working on an assignment for your statistics class. You need to estimate the proportion of students at your college who
Ede4ka [16]

Answer:

B, Work with the math instructors to create a list of students currently taking a math class. Randomly select

Step-by-step explanation:

Let's think of each scenario at a time.

(A) We select 100 students enrolled in college randomly that should be fine because we are taking only students that can take classes. this rules out faculty members and any other persons but also there may be students that will never take any math course as part of their study plan, this is ruled out on that basis.

(B)if we take 100 students from the list of math instructor, that will ensure that we have taken students that are taking math class now, and math is part of their study plan, seems fine.

(C) visiting cafeteria randomly on multiple days will give us random persons that may not even be enrolled in university. this can be ruled out on that basis.

(D)Ten class at random and surveying each student in every class will make sampling size large or small depending on students enrolled in each of the class this will not give us reliable results.

We can conclude that (B) is the beast method for obtaining reliable results.

6 0
3 years ago
Which has the larger area, a square with sides that are x +1 units long or a rectangle with a length of x +2 units and a width o
swat32

Answer:

A. Square

Explanation:

The square with sides: x+1

Has an area of: (x+1)^2

The rectangle with sides: x+2 and x

Has an area of: x(x+2)

So we simplify the square: (x+1).(x+1)= x^2+2x+1

Simplifying the rectangle: x^2+2x

Therefore the square area is larger by one unit.

Hope you get it!

6 0
3 years ago
George would like to build a garden this year, George measure out his proposed garden and would like to know how many square fee
Blababa [14]

Answer:

The area is 105.5ft^2

Step-by-step explanation:

Required

The area of the composite figure

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(2) Trapezoid: Height = 5ft (i.e. 8 - 3), Parallel sides = 9ft and 14ft (i.e. 20 - 6)

The area of the rectangle is:

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The area of the trapezoid is:

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Area = \frac{1}{2}(23) * 5

Area = 11.5 * 5

Area = 57.5

So, the area of the garden is:

Total = 48 + 57.5

Total = 105.5

5 0
3 years ago
.Sammie paid $249.99 for a game system and then bought two equally-priced games. If she spent a total of $339.97, what is the pr
bulgar [2K]

Answer: $44.99

Step-by-step explanation:

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The equation would be

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Divide by two and you got the answer.

6 0
2 years ago
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