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lara [203]
3 years ago
15

Solve each equation, and then choose the correct answer.

Mathematics
1 answer:
kvasek [131]3 years ago
4 0

Answer:

1:  -7x +4x -11=22       Answer: <em>     </em>x=−11

2: 3x - 5 = 7                     Answer:         x=4

3:  3(x + 7) = 5x -7           Answer:        x=14

4: 2(x-5) + 3x =20          Answer:   x=6

Step-by-step explanation

1: <em> </em>x=−11

2:   x=4    

3: x=14

4: x=6

Above is the answers.

Down is the steps of the questions.

Example for question 1

1: Step 1: Simplify both sides of the equation.

2: Step 2: Add 11 to both sides.

3: Step 3: Divide both sides by -3.

<em><u>Hope this helps.</u></em>

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N76 [4]

Answer:

a = 132 ft^2

Step-by-step explanation:

Area of triangle

a = (1/2)bh

---------------------------

Base

a = (1/2)(8)(6)

a = 24 ft^2

----------------------

Each side

a= (1/2)*(8)(9)

a = 36

All three sides

a = 36 * 3

a = 108 ft^2

-----------------------

Total area

a = 24 + 108

a = 132 ft^2

6 0
3 years ago
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SashulF [63]

Answer:

3,140,000

Step-by-step explanation:

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3 0
3 years ago
ASAP+BRAINLYYYY! Thanks!
makkiz [27]

Answer:

Option C

Step-by-step explanation:

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You can also use the equation given in the question to check your answer if you use Option C's equation.

Option C should be the correct answer.

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Step-by-step explanation:

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3 years ago
The expression 2x + 50 represents the elevation above sea level, in meters, of a rock climber after x minutes of climbing. What
vova2212 [387]
We let y equal to the elevation above sea level so that the elevation of the rock climber after x minutes of climbing would be:

y = 2x + 50

His initial height can be calculated when x is equal to zero it is when the climber is not yet climbing. Therefore, the rock climber'sinitial height above sea level would be 50 meters.
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