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katrin2010 [14]

3 years ago

5

1+1 hows your day been, don’t forget to take a break from school guys and chill, put on some music and have a drink!!!!!!!

1 answer:

Tcecarenko [31]3 years ago

8 0

Answer: my day has been alright I have a lot of work and nobody is answering them or helping so I feel a bit frustrated and stressed... but thank you for caring <3

Step-by-step explanation:

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Amir arranged 9 photos on a bulletin board. He put the photos in rows. Each row contains the same number of photos. How many pho

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Three rows of threes

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for the expression n(2n+4n^2-5-3n), use the distributive property to write an equivalent expression in standard form

Ronch [10]

$\text{distributive property:}\ a(b+c)=ab+ac\\\\2n+4n^2-5-3n=4n^2+(2n-3n)-5=4n^2-n-5\\\\n(2n+4n^2-5-3n)=n(4n^2-n-5)=(n)(4n^2)+(n)(-n)+(n)(-5)\\\\=\boxed{4n^3-n^2-5n}$

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4 years ago

Class A has 9 pupils and class B has 24 pupils.

hodyreva [135]

Answer:

mean ≈ 25.45

Step-by-step explanation:

mean is calculated as

mean = $\frac{sum}{count}$

We require the sum for both classes

class A

mean = $\frac{sum}{9}$ = 40 ( multiply both sides by 9 )

sum = 9 × 40 = 360

class B

mean = $\frac{sum}{24}$ = 20 ( multiply both sides by 24

sum = 24 × 20 = 480

Total sum for both classes = 360 + 480 = 840 , then mean for both classes is

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3 years ago

Graph x^2-y^2=16. What are its lines of symmetry

shtirl [24]

Http://prntscr.com/f3mxcd

That should be your points graphed
Hope it helps

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Answer:30 m --- 4

40 m --- 5

50 m --- 6

Step-by-step explanation:

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