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3 years ago

10

The graph shows how many calories are in a store's best selling candy.

2 answers:

Aloiza [94]3 years ago

5 0

Answer:

What is the full question?

Fudgin [204]3 years ago

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What’s the question?

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Which relation is a function?

puteri [66]

let's recall the vertical line test, if a vertical line hits the graph or points twice, then is NOT a function. Check the picture below.

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1 year ago

Read 2 more answers

in a AP the first term is 8,nth term is 33 and sum to first n terms is 123.Find n and common difference

allsm [11]

I believe there is no such AP...

Recursively, this sequence is supposed to be given by

$\begin{cases}a_1=8\\a_k=a_{k-1}+d&\text{for }k>1\end{cases}$

so that

$a_k=a_{k-1}+d=a_{k-2}+2d=\cdots=a_1+(k-1)d$

$a_n=a_1+(n-1)d$

$33=8+(n-1)d$

$21=(n-1)d$

$n$ has to be an integer, which means there are 4 possible cases.

Case 1: $n-1=1$ and $d=21$ . But

$\displaystyle\sum_{k=1}^2(8+21(k-1))=37\neq123$

Case 2: $n-1=21$ and $d=1$ . But

$\displaystyle\sum_{k=1}^{22}(8+1(k-1))=407\neq123$

Case 3: $n-1=3$ and $d=7$ . But

$\displaystyle\sum_{k=1}^4(8+7(k-1))=74\neq123$

Case 4: $n-1=7$ and $d=3$ . But

$\displaystyle\sum_{k=1}^8(8+3(k-1))=148\neq123$

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3 years ago

$10.20 plus 5% sales tax how much money

Citrus2011 [14]

Answer:

A. $10.71

Step-by-step explanation:

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3 years ago

Using the linear equation 4x–3y=12, express: b x in terms of y

Amiraneli [1.4K]

Answer:

y = [4(x-3)]/3

Step-by-step explanation:

4x = 12+3y

3y = 4x-12

y = [4(x-3)]/3

Best regards

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3 years ago

What are expressions always equivalent to 4(6+2x)

timurjin [86]

24+12x is the answer

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3 years ago