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Reika [66]
3 years ago
13

Explain how you would solve 5x - 3 = 9. (there should be a minimum of 2 complete sentences). *

Mathematics
2 answers:
SpyIntel [72]3 years ago
7 0
Haha, you first start off with adding 3 to both sides, cancelling the -3, and adding it to 9. you end up with 5x=12, in which you divide both sides by 5. you get 2 and 2/5 or 12/5! hope that helps :)
Mrrafil [7]3 years ago
4 0

Answer: First, you would need identify what needs to be moved in order for the coefficient (5) and the variable x to be alone on one side of the equal sign.You'll see that -3 must be moved across the equal sign,resulting in 5x standing alone on one side. -3 has to be canceled out so you +3 to make it zero and +3 on the opposite side of the equal sign. The equation would now be 5x=12 because 9+3 is equivalent to 12.Now you perform division, dividing both sides by 5 for the x(variable) to stand alone. The answer is x= twelve-fifths(12/5).Then you will obviously you plug it back in to ensure of a correct answer.

Step-by-step explanation:Answer: First, you would need identify what needs to be moved in order for the coefficient (5) and the variable x to be alone on one side of the equal sign.You'll see that -3 must be moved across the equal sign,resulting in 5x standing alone on one side. -3 has to be canceled out so you +3 to make it zero and +3 on the opposite side of the equal sign. The equation would now be 5x=12 because 9+3 is equivalent to 12.Now you perform division, dividing both sides by 5 for the x(variable) to stand alone. The answer is x= twelve-fifths(12/5).Then you will obviously you plug it back in to ensure of a correct answer.

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3 years ago
For every 2 teachers there are 30 girl students. For every 3 teachers there are 60 boy students. If there are 432 people in the
andriy [413]

2 teachers = 30 girls (so 1 teacher = 15 girls)

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8 0
3 years ago
A husband and wife have normal vision, although both of the couple's fathers are red–green color-blind, an inherited X-linked re
Mekhanik [1.2K]

Answer:

1/2

Step-by-step explanation:

Since the recessive gene is carried in the x chromosome and a father can only pass it to a daughter, the father doesn't have the disease nor carries it.

The mother carries the recessive gene because her father passed her his conditioned gene (only having one x chromosome), while her mother gave her a normal one so she can have normal vision.  

The chance of having a boy or a girl is 1/2 and the chance of this baby of having both recessive gene is null because in order to have a girl that is color blind both her x chromosomes must have the recessive gene, but the father can't pass it since he doesn't carries it. Therefore the combined probability is 1/2*(1-0) = 1/2.

7 0
3 years ago
Simplify 8 over negative 4 ÷ negative 3 over 9 . (5 points)
Svetach [21]

Answer:

6

Step-by-step explanation:

-\frac84 divided-\frac39\\-2 divided- \frac13\\-2 \cdot -3\\6

8 0
3 years ago
3.695 to 4 name the place value to which each number was rounded
Anon25 [30]
3.695 was rounded to the nearest thousandths and 4 is rounded to the nearest ones place. Hope that helped :)
4 0
3 years ago
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