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3241004551 [841]
3 years ago
9

Find an equation of the line through (3,8) and parallel to y = 4x - 3.

Mathematics
1 answer:
aksik [14]3 years ago
4 0

Answer: y=4x-4

Step-by-step explanation:

To find the equation fo the line parallel to the given line, we can use the given point to find the y-intercept. We know that the slope must stay the same because parallel lines NEVER touch or cross. This means that the slope MUST be the same.

y=4x+b

We can use the given point to find the y-intercept.

8=4(3)+b             [multiply]

8=12+b                [subtract both sides by 12]

b=-4

Now that we have found the y-intercept, we can complete the equation.

y=4x-4

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If seven pencils cost $.84 find the cost of 10 pencils
Darya [45]
Salutations!

If seven pencils cost $.84 find the cost of 10 pencils?

Lets solve this!

To solve this question, you need to first divide .84 ÷ 7 which gives you the answer 0.12. Then multiply 0.12 with 10 which gives you the cost of 10 pencils. 0.12 is the cost of only one pencil.

Lets forms this into statements ---

Cost of 7 pencils = $ .84

Cost of 1 pencil = $ 0.12

Cost of 10 pencil equals = .84 ÷ 7 = 0.12

                                      = 0.12 × 10 = 1.2

Cost of 10 pencils is $1.2

Hope I helped (:

Have a great day!
3 0
3 years ago
Read 2 more answers
Pls help will give brainliest
vodka [1.7K]
Answer:C
Hope this helps
3 0
3 years ago
Please help me with this - its about percent changes
Serhud [2]

Answer:

110.06

Step-by-step explanation:

Make a ratio: 95.20 / x = 86.5 / 100   (86.5 = 100% - 13.5%)

Cross multiply: 95.20 x 100 = 86.5x

9520 = 86.5x

110.06 = x

6 0
2 years ago
Jenn has 13 fewer marbles then Marty.she has 20 marbles.which equation can be solved to find how many marbles Marty has?
faust18 [17]
If jenn has 13 fewer marbles than marty and we know she has 20 marbles, you would add 13 to 20 (33) to find how many marbles marty has. the equation would be 13+20=33 (or any variable depending on the context of the question.)
6 0
4 years ago
The sum of a number and 7 is the same as double the number increased by 3
koban [17]
So, let’s represent the number as n:
n+7=2n+3
Subtract both sides by 3:
n+4=2n
Now by n:
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Divide:
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4 0
3 years ago
Read 2 more answers
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