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Veseljchak [2.6K]
3 years ago
11

Please help me..I don't understand how to solve problems like

Mathematics
2 answers:
Vlad1618 [11]3 years ago
4 0
Remember you can do ANYTHING to an equation as long as you do it to both sides

isolate the y and then divide by the coefient
the basic way to simplify it is if you did
ax+by=c
y=\frac{-a}{b}x+ \frac{c}{b}

but memorization is no fun so



4y+2x=18
minus 2x both sides
4y=-2x+18
divide both sides by 4
y= \frac{-1}{2}x+ \frac{9}{2}
Nuetrik [128]3 years ago
3 0
Okay. So first you subtract 2x from each side. That will give you 4y= -2x+18 (you want to get y by itself). Then you divide both sides by 4. It should equal> y= 1/2x +9/2
You might be interested in
WHAT IS 3/8 DIVIDED BY 1/2
serious [3.7K]

Answer: 3/4

Step-by-step explanation: Dividing by a fraction is the same as multiplying by its reciprocal. In other words, we can change the divison sign to multiplication and flip the second fraction.

So here, 3/8 divided by 1/2 can be rewritten as 3/8 × 2/1.

Now we are simply multiplying fractions so we multiply across the numerators and we multiply across the denominators.

So we have 3 × 2 which is 6 and 8 × 1 which is 8. Since 6/8 is not in lowest terms, we divide the numerator and the denominator by the greatest common factor of 6 and 8 which is 2 and we get the equivalent fraction 3/4.

Therefore, 3/8 divided by 1/2 is 3/4.

7 0
2 years ago
When the quotient of a long division problem has a remainder, it means the
Makovka662 [10]
( divisor / dividend ) does not go into the same Evenly
5 0
2 years ago
Matthew goes hiking every 12 days and swimming every 6 days. He did both
AlexFokin [52]
The next 18 days because your trying to see how many days it is until he does BOTH
3 0
3 years ago
What is the perimeter of rhombus LMNO? 20 units 24 units 40 units 48 units
NeTakaya
The little lines on each side of the rhombus mean that all the sides are the same length.

We can set line LM and MN equal to solve for X, then we can solve the length of a side.

3x-3 = x+7

Add 3 to each side:
3x = x +10

Subtract x from each side:

2x = 10

Divide both sides by 2:
x = 10/2
x = 5

Now we have the value for x, replace x in one of the side formulas:

x +7 = 5+7 = 12

Each side = 12 units.

 The perimeter would be 12 + 12 + 12 + 12 = 48 units.



3 0
2 years ago
Read 2 more answers
You are still debating about the two different computers. If you are paid $10.00/hour and your deductions are FICA (7.65%), fede
sattari [20]

Answer:

89 hours

Step-by-step explanation:

First solve all the deductions.

For each multiply the $10, which you are paid, and the percentage.

For FICA: $10 x 0.0765 = $0.77 per hr

For Fed tax: $10 x 0.12 = $1.2 per hr

For State tax: $10  x 0.08 = $0.8 per hr

Now subtract the remaining pay:

10 – 0.77 – 1.2 – 0.8 = $7.23

Time required = $640 / $7.23 per hr

Time required = 89 hrs

Final answer:

89 hours

8 0
3 years ago
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