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3 years ago

PLEASE HELP ASAP! I AM TIMEDDDDDDDDDD

Mathematics

2 answers:

mestny [16]3 years ago

8 0

Answer:

They answerd it

Step-by-step explanation: :(

natima [27]3 years ago

3 0

Answer:

(E) 83

Step-by-step explanation:

So f(x) is the sum of all prime numbers less than x.

So f(86) is the sum of all prime numbers less than 86:

f(86) = 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79 + 83

= 874

Likewise, f(82) is the sum off all prime numbers less than it, which would be;

f(82) = 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79

= 791

The problem asks us to do:

f(86) - f(82)

Substitute for numerical values:

874 - 791

solve

= 83

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3 years ago

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inn [45]

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$\displaystyle \large{\boxed{y=36}}$

If you have any questions about this question or for clarification, do not hesitate to ask in comment!

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2 years ago

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For the graph shown to the right, find (a) AB to the nearest tenth and (b) the coordinates of the midpoint of AB.

Shkiper50 [21]

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$(( \frac{ - 2 + 4}{2} ) = the \: x \: coordinate \: of \: the \: midpoint \\ \\ ( \frac{ - 3 - 5}{2})) = the \: y \: coordinate \: of \: the \: midpoint$
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(1,-4)

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