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lakkis [162]
3 years ago
6

What is the simplified form of (-3xy)(5xy-1)?

Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0

Answer:

-15x²y²+3xy

Step-by-step explanation:

((−3x)(y))(5xy−1)

=((−3x)(y))(5xy+−1)

=((−3x)(y))(5xy)+((−3x)(y))(−1)

=−15x²y²+3xy

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When Brandon went bowling, it cost $4.95 per game, plus a one-time fee to rent the shoes. Brandon played 5 games and paid $32. W
igomit [66]

Answer:

The linear equation used to find the cost to rent the shoes is 24.75+x=32

Cost to rent the shoes is $7.25.

Step-by-step explanation:

Given:

Cost of per game of bowling = $4.95

Number of games played = 5

Total money paid = $32

We need to find the cost to rent the shoes.

Solution:

Let the cost to rent the shoes be 'x'.

So we can say that;

Total money paid is equal to sum of Cost of per game of bowling multiplied by Number of games played and cost to rent the shoes.

framing in equation form we get;

5\times4.95+x=32\\\\24.75+x=32

Hence The linear equation used to find the cost to rent the shoes is 24.75+x=32

On solving the above equation we will find the value of 'x'.

Now we will subtract both side by 24.75 we get;

24.75+x=32-24.75\\\\x= \$7.25

Hence Cost to rent the shoes is $7.25.

4 0
3 years ago
Mr. Taylor raised all his students’ scores on a recent test by five
Darina [25.2K]
2. The mean is the average so it phase shifted up five points where as the range is the difference between the highest and lowest # which wouldn't change if all the numbers were adjusted.

3 0
3 years ago
A number n is multiplied with —9 to give 63. Find the value of n.
FrozenT [24]

Answer:

n = -7

Step-by-step explanation:

63÷-9

5 0
3 years ago
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When you were born, your uncle put $1000 into a bank account for you. According to the terms of the account, your investment
kompoz [17]

Answer:

D. Time; amount;  $2800

I hope this is right because I was looking for the answer to the same question and this is the solution I came up with.

Step-by-step explanation:

Time is the independent variable because it is the variable that is changed.

The Amount (dollars) is the dependent variable because it is effected by the independent variable.

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3 years ago
I need help on 12, I don't know how to make that an expression! Thanks! Please explain!
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A rug maker is using a pattern that is a rectangle with a length of 96 inches and a width of 60 inches. The rug maker wants to increase each dimension by a different amount. Let l and w be the increases in the length and width. Write and simplify an expression for the perimeter of the new pattern.

p=2(96+l)+2(60+w)
This is the equation. p is for perimeter. (96+l) represents the original length plus the change in length. The 2 before (96+l) represents that there is one length on each side of the rectangle.
Same for the width. (60+w) represents the original width plus the change in width. The 2 before (60+w) represents that there is one width on each side of the rectangle.
The simplified equation is p=(192+2l)+(120+2w) (this is your answer)

I hope this helps!

3 0
3 years ago
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