3 years ago

1. match the graph to the table of values

Mathematics

1 answer:

Verdich [7]3 years ago

6 0

Answer:

In order (Problem 1-4)

Step-by-step explanation:

These will give you 100%! Wish I had these before I took the quick check.

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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

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3 years ago

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Alex73 [517]

Well what i think you're asking here...I apologie if I'm wrong but what I did was

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Step-by-step explanation:

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