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3 years ago

The equation of line A is y = 5x + 14.

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

8 0

Answer:

There would be no solution to this problem.

Step-by-step explanation:

Parallel lines do not intersect and therefore have no solution. Therefore, since these lines are parallel, they would not have a solution.

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David bought 3 dvds for for books for $40 at a yard sale in about one dvd and six books for $18 how much did each dvd cost

pentagon [3]

The system:
3 x + 4 y = 40
x + 6 y = 18,
-------------------
x = 18 - 6 y
3 ( 18 - 6 y ) + 4 y = 40
54 - 18 y + 4 y = 40
54 - 40 = 18 y - 4 y
14 = 14 y
y = $1
x = 18 - 6
x = $12
Answer: Each DVD costs: $12.

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3 years ago

How to solve the math problem because I don’t understand it

LUCKY_DIMON [66]

First you are going to do 1+2 and then you are going to do 6 divided by 2 then multiply them and that’s your answer the answer is 9

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3 years ago

Read 2 more answers

Kabul’s bookshop marks up all books by 40 percent of their cost. The overhead rate is 16 percent of the selling price. What is t

morpeh [17]

Answer:

The net profit rate on the book is 5.41

Step-by-step explanation:

Given as :

The marks up percentage of book = m = 40%

The overhead rate is 16% of selling price

The cost price of book = c.p = $18.10

Let The profit = $p

Let The selling price = s.p

<u>Now, According to question</u>

mark up percentage = $\dfrac{s.p - c.p}{c.p}$

I.e 40% = $\dfrac{s.p - 18.10}{18.10}$

Or, $\dfrac{40}{100}$ + 1 = $\dfrac{s.p}{18.10}$

Or, $\dfrac{140}{100}$ = $\dfrac{s.p}{18.10}$

Or, s. p = $\dfrac{140\times 18.10}{100}$

∴ s.p = $25.34

So, selling price of book = s.p = $25.34

Now, The overhead percentage = 16%

i.e overhead rate = $\dfrac{\textrm estimated cost}{\textrm estimated total base unit}$

Or, estimated cost = 16% × 25.34

I,e estimated cost = 0.16 × 25.34

∴ estimated cost = $4.05

Now,

Profit = selling price of book - estimated book cost

I.e p = $25.34 - $4.05

∴ p = $21.29

So, The profit rate% = $\dfrac{\textrm profit}{\textrm estimated cost}$

I.e The profit rate% = $\dfrac{21.29}{4.05}$

∴ profit rate %= 5.41

So, The profit rate = p = 5.41

Hence, The net profit rate on the book is 5.41 Answer

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3 years ago

Onah bicycled 12 miles in 4 hours. What is the unit rate

zmey [24]

Answer:

Miles per hour

Step-by-step explanation:

And if you want to know the speed it's 3 miles per hour.

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3 years ago

Is the sum of two polynomials always a polynomial

xz_007 [3.2K]

The sum of two polynomials (polynomial plus polynomial) will always result in another polynomial

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3 years ago