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spin [16.1K]
3 years ago
15

I need help on this math homework and I need the work please

Mathematics
1 answer:
Sav [38]3 years ago
5 0
For all of them do L×W and divide that by 2
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|5x|+5=45<br><br> can you explain this absloute value equation <br> i have a midterm
Ymorist [56]
So first, you get the absolute value to one side:
|5x|+5=45\\&#10;|5x|=40

Next, set up two equations; One where the value inside the absolute value lines is positive, and another where it is negative, and solve both for the variable:
|5x|=40\\5x=40\\x=\frac{40}{5}=8\\\\-5x=40\\x=\frac{40}{-5}=-8

Your answers are 8 and -8, or +-8.
8 0
3 years ago
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your gas bill went up from $125 per month to $150 per month. what is the percent increase of your gas bill?
aalyn [17]

Answer: $25

Step-by-step explanation: what you need to do is take $150 and take $125 dollars away you will get $25!

7 0
3 years ago
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What is the area of triangle 1
Feliz [49]
Using the Pythagorean triples, one side is 3 units long, one side is 4 units long, and one side is 5 units long. To find the area of a right triangle, multiply length times width. Then divide total by two.

So,

(3•4)/2= 6 units
After scaling units, you should get 24 units.
4 0
2 years ago
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4/5(p+1)=1 wgat equals p​
jeka94

Answer:

p= 1/4 or 0.25

Step-by-step explanation:

4 0
3 years ago
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Pls answer and thanks!!
Keith_Richards [23]

Answer:

Problem:

Solve 3x−y=6;y=x−4

Steps:

I will try to solve your system of equations.

y=x−4;3x−y=6

Step: Solvey=x−4for y:

Step: Substitutex−4foryin3x−y=6:

3x−y=6

3x−(x−4)=6

2x+4=6(Simplify both sides of the equation)

2x+4+−4=6+−4(Add -4 to both sides)

2x=2

2x

2

=

2

2

(Divide both sides by 2)

x=1

Step: Substitute1forxiny=x−4:

y=x−4

y=1−4

y=−3(Simplify both sides of the equation)

Answer:

y=−3 and x=1

Step-by-step explanation:

Hope this helped you

3 0
2 years ago
Read 2 more answers
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