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11Alexandr11 [23.1K]
2 years ago
7

I’m stuck and I would really like your help.

Mathematics
2 answers:
Alekssandra [29.7K]2 years ago
8 0

Answer:

x= 12

Step-by-step explanation:

2x-20=40-3x  multiply both sides of the equation by 5

2x+3x= 40+20 move the terms

5x= 40+20 collect like terms

5x = 60 add the numbers

5x= 60 divide both sides by 5

x=12

Neporo4naja [7]2 years ago
6 0

Answer:

Answer: 1/12

Step-by-step explanation:

2/5x-4=8-3/5x.

We want to tank x out of the denominator by multiplying x on both sides.

2/5-4x=8x-3/5

Now we simplify

-12x=-1

x=1/12

Put x in the equation to check it

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50 points!!
timurjin [86]

Answer:

y < -8

y > 4

Step-by-step explanation:

Absolute Value Inequality entered :

     |y+2|>6

Step by step solution :
Step 1: Rearrange this Absolute Value Inequality

Absolute value inequalitiy entered

     |y+2| > 6

Step 2: Clear the Absolute Value Bars

Clear the absolute-value bars by splitting the equation into its two cases, one for the Positive case and the other for the Negative case.

The Absolute Value term is |y+2|

For the Negative case we'll use -(y+2)

For the Positive case we'll use (y+2)

Step 3: Solve the Negative Case

     -(y+2) > 6

    Multiply

     -y-2 > 6

    Rearrange and Add up

     -y > 8

    Multiply both sides by (-1)

    Remember to flip the inequality sign

     y < -8

    Which is the solution for the Negative Case

Step 4: Solve the Positive Case

     (y+2) > 6

    Rearrange and Add up

     y > 4

    Which is the solution for the Positive Case

Step 5:

Wrap up the solution

 y < -8

 y > 4

Solutions in Interval Notation

   (-∞,-8)

   (4,+∞)

Solutions on the Number Line

 

Two solutions were found :

 y > 4

 y < -8

6 0
2 years ago
What is the area of this triangle? enter your answer in the box.
adoni [48]

Answer:

I can't do the area but area of a triangle is

A of triangle = h×b over 2

h = hieght of the triangle

b= base of the triangle

8 0
3 years ago
Read 2 more answers
If jasmine spent $280 on 20 pairs of earrings,what was the cost of 1 pair?
strojnjashka [21]

Answer:

14

Step-by-step explanation:

280 divided by 20 is 14 when you divide by those 2 numbers you get how much they would cost. also 14x20 is 280

7 0
2 years ago
What is the measure of angle x?
Kitty [74]

The two horizontal lines are parallel.

This makes the 80 degree angle and the angle ox x and 20 degrees are alternate interior angles and are the same.

This means x + 20 needs to equal 80.

X = 80-20 = 60 degrees.

8 0
3 years ago
Read 2 more answers
Please help the question in on a image down below
enot [183]
The answer for this question is 8 km
8 0
3 years ago
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