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3 years ago

7

800 people went to the community library last week. This week that number increased by 15% how many people went to the library t

his week.

2 answers:

KonstantinChe [14]3 years ago

5 0

920 people webt to the library. Hope that helps :)

Westkost [7]3 years ago

5 0

Answer:

It would probably be 920.

Step-by-step explanation:

Multiply 800 and 15%. And that would give you 120 then add 120 and 800 then you get 920.

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3 years ago

Read 2 more answers

If x-y = 40 and x+y = 70, then what is the value of x squared -y squared ?

OlgaM077 [116]

Let's see what to do buddy...

____________________________

Reminder:

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

So we need to just Multiply above equations like this :

$x + y = 70$

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And we're done.

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3 years ago

4×+12=36 what number goes in the x?

Nataliya [291]

You can work this out by rearranging the equation and isolating the x.

4x + 12 = 36

4x = 36 - 12 (I moved the +12 to the other side, which means it becomes -12)

4x = 24 (36 - 12 = 24)

x = 24 / 4 (You need to isolate the x, and because it was being multiplied by 4, I divided both sides by 4 to leave me with just x)

x = 6 (24 divided by 4 is 6).

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3 years ago