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Butoxors [25]
3 years ago
10

If the length of a rectangle is 5a^2 and the width is 7ab^2 what is the area of the rectangle?

Mathematics
1 answer:
DanielleElmas [232]3 years ago
8 0

Answer:

I think u forgot to put a photo because I really don't understand

Step-by-step explanation:

not sure

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The amount of sales tax on a new car is directly proportional to the purchase price of the car. Victor bought a new car for $30,
Airida [17]

Answer:

Rita paid 47,500 dollars for the purchase price.

Step-by-step explanation:

We are given the sales tax on a new car is directly proportional to the purchase price of the car which means there is is something k such that

when you multiply it to the sales tax you get the purchase price.

Let's set this equation:

y=kx

Let y represent the purchase price and x the sales tax.

The second sentence tells us that (x,y)=(1500,30000).

We can plug this into y=kx to find the constant k.  (Constant means it stays the same no matter what the input and output is).

So we have:

30000=k(1500)

300    =k(15)      I went ahead and divided previous equation by 100.

Now divide both sides by 15:

300/15=k

Simplify:

20=k

So the equation to use the answer the question is

y=20x

where y is purchase price and x is sales tax.

So we want to know the purchase price on a car if the sales tax is 2375.

So replace x with 2375:

y=20(2375)

y=47500

3 0
3 years ago
Read 2 more answers
Andrew bashir and candy are trying to save money for a birthday party.If andrew saves 1/4 of the total needed bashir saves 2/5 a
DerKrebs [107]

Answer:

1/4.

Step-by-step explanation:

That is 1 - (1/4 + 2/5 + 1/10).

The Lowest common multiple  4 5 and 10 is 20 so we have

20/20 - (5/20 + 8/20 + 2/20)

=  20/20 - 15/20

= 5/20

= 1/4 answer.

5 0
3 years ago
What is 12+ n means in verbal expression
Mandarinka [93]

the sum of 12 and a number/n

5 0
3 years ago
Simplify . 16x3y2/36xy2z3
dezoksy [38]

\frac{16 {x}^{3} {y}^{2}  }{36x {y}^{2} {z}^{3}  }  =  \frac{4 {x}^{2} }{9 {z}^{3} }  \\   \frac{ {x}^{a} }{ {x}^{b} }  =  {x}^{a - b} \\  {x}^{ - a}   =  \frac{1}{ {x}^{a} }

3 0
3 years ago
Which of the following will you construct in this lesson?
Vikentia [17]

Answer:

The question is not complete or you forgot to attatch the image. Repost your question

8 0
2 years ago
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