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vagabundo [1.1K]
3 years ago
11

The size ofa rectangular computer monitor is determined by the length of its diagonal. If a

Mathematics
2 answers:
aivan3 [116]3 years ago
8 0

Sorry, I wish I could help, but I haven't learned this yet

;-;

yKpoI14uk [10]3 years ago
7 0

Answer

15

Step-by-step explanation:

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Solve for x:<br><br> 2(3x - 9) = 18x<br><br> x = -3/2<br><br> x = 3/2<br><br> x = 0<br><br> x = 6
Mila [183]
Remember yo can do anything to an equation as long as you do it to both sides

so
remember distributive property
a(b+c)=ab+ac

so first distribute
2(3x)+2(-9)=18x
6x-18=18x
minus 6x both sides
-18=12x
divide both sides by 12
-18/12=x
-9/6=x
-3/2=x

easier way is to first divide both sides by 2


x=-3/2
5 0
3 years ago
Read 2 more answers
Please help and explain part A B and C
Umnica [9.8K]
Part A you would just distribute your 3 to your X and your 5. After doing that you would get 3x+15+x=4x. Next you would combine like terms, meaning combine your x's together that is on the same side of your equal sign. So you would add 3x and x. When finished with that you would get, 4x+15=4x. You would then subtract your 4x on both sides of your equal sign. You then would get 15=0 which is no solution.

Part B you would distribute your 4 to your 1 and -x. After doing this your equation should then look like 4-4x=5x+8. Next you would try to get your like terms together. You would add 4x on both sides of your equal sign. Your equation should then look like 4=9x+8. Next you would subtract your 8 on both sides of the equal sign because your getting your terms together. Your equation should then look like, -4=9x. This answer would be one solution.

Part C you would combine your like terms, meaning add your 2x and x together to get your equation looking like, 3x+5=5+3x. You can tell just by looking at this equation it's going to be a infinite number of solutions. 

Hope this helps! (:
8 0
3 years ago
Solve equation 4x=20
Romashka [77]

4x=20

4/4x=20/4

x=5

u want to isolate the variable to solve these equations

6 0
3 years ago
Read 2 more answers
Deisha saved d dollars last month. This month she saved $8 more than 3 times the amount she saved last month. She saved a total
DaniilM [7]

Answer:

Step-by-step explanation:

3 0
2 years ago
Suppose all the counting numbers are arranged in columns as shown at the right. Under what letter will the number 1000 appear?
pentagon [3]
Letter D because you need to multiply all the letters of the alfabet (36) and multiply 36 by 1000 and then divide the answer by 100 and you get the letter D
4 0
3 years ago
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