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3 years ago

8

help me im in 7 grade i need help im stupid...........hhhhhhhhhheeeeeeeeeeeeeelllllllllllllllllllpppppppppppppp mmmmmmmmmmmeeeee

eeeeeeeee

2 answers:

GrogVix [38]3 years ago

8 0

Answer:

p=24

Step-by-step explanation:

p=4s s=6

p=4*6

p=24

NARA [144]3 years ago

7 0

What do you need help with

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irinina [24]

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3 years ago

У - 6x = ||<br> -77<br> - 2x-3y=-7

Maksim231197 [3]

Answer:

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replace y by ..1..

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6 0

3 years ago

Jane had 275 stickers, which she gave to her friends. Each friend got five more stickers than the friend before. If the first fr

Paha777 [63]

Answer:

10 friends

Step-by-step explanation:

we know that

The formula of the sum is equal to

$sum=\frac{n}{2}[2a1+(n-1)d]$

where

a1 is the first term

n is the number of terms (number of friends)

d is the common difference in the arithmetic sequence

In this problem we have

$sum=275\ stickers$

$a1=5\ stickers$

$d=5$ ----> the common difference

substitute in the formula and solve for n

$275=\frac{n}{2}[2(5)+(n-1)(5)]$

$550=n[10+5n-5]\\ \\550=10n+5n^{2} -5n\\ \\5n^{2}+5n-550=0$

Solve the quadratic equation by graphing

The solution is n=10

see the attached figure

therefore

She had 10 friends who got stickers

5 0

3 years ago