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padilas [110]
3 years ago
11

If Ann correctly factors an expression that is the difference of two perfect squares, her factors could be

Mathematics
1 answer:
Sphinxa [80]3 years ago
3 0

Answer:

1.) ???

2.) (2x+3y)(2x-3y)=4x²-9y²

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Eli buys 8 gigabytes of memory for his computer he spends 392. whatbis the cost of 1 gigabyte memory
kotykmax [81]
If Eli spends $392 for 8 gigabytes of memory, then 8g=392, where g is a gigabyte of memory. All you have to do is to reduce the equation. In this case, divide both sides by 8 to get g=49. So the cost of 1 gigabyte of memory is $49.
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3 years ago
Please help!!!!!<br>Solve the equation 5(2y - 1) - 2(3y)= 1<br>​
-Dominant- [34]

Answer:

y = 3/2

Step-by-step explanation:

5(2y - 1) - 2(3y) = 1

First we use distributive property:

10y - 5 - 6y = 1

because 5 × 2y = 10y

and -2 × 3y = -6y

Now we combine the like terms:

4y -5 = 1

because 10y - 6y = 4y

Now we have to send the -5 to the other side. (when we send it to the other side it becomes positive because right now it is negative)

4y = 1 + 5

Again we combine the like terms:

4y = 6

(because 5 + 1 = 6)

Now we have to send the 4 to the other side because we need to get the y value. (when we send it to the other sidr it will be divided)

y = 6/4

and we simplify:

y = 3/2

And we cannot simplify or do anything else. So that is the answer.

Hope that helped!

5 0
3 years ago
Dan has ¾ of a cake left over from his birthday party. His best friend Amy ate 1/7 of the leftover cake. How much of the cake do
Dafna1 [17]

Answer:

  • 9/14 of cake left

Step-by-step explanation:

<u>3/4 left and 1/7 of that eaten:</u>

  • 3/4 - 3/4(1/7) =
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  • (3/4)(6/7) =
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3 years ago
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I think it might be -38, not 100% though.
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The next probable answer is 1:2
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