3 years ago

Could someone help me out with this?

Mathematics

1 answer:

Korvikt [17]3 years ago

4 0

I dont know but i would say a

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Find the sum of the first 50 terms of the sequence -6, -2, 2, 6

monitta

Answer:

4600

Step-by-step explanation:

STEP 1: Determine type of progression

$d1 = - 2 - ( - 6) \\ d1 = 4 \\ \\ d2 = 2 - ( - 2) \\ d2 = 4$

Since d1 = d2, it is Arithmetic progression, with a common difference of 4

STEP 2: Evaluate the sum

$s = \frac{n}{2} (2a + (n - 1)d) \\ s = \frac{50}{2} (2( - 6) + (50 - 1)4) \\ s = 4600$

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2 years ago

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Answer:

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3 years ago

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Answer:

<h2>10 inches</h2>

Step-by-step explanation:

Given the circumference= 30 in

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$C= 2\pi r$

$30= 2*3.142*r\\\\r= \frac{30}{2*3.142} \\\r= \frac{30}{6.248}\\\r= 4.77 in$

The diameter is 2*r= 4.77*2=9.55 in

Approximately the diameter is 10 inches

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3 years ago

What numbers are divisble by 23 but are between 2 and 10?

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That is impossible.

For a number to be divisible by 23, it has to be greater than 23.

A number cannot be greater than 23, if you have restricted it to be within the numbers 2 and 10.

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2 years ago

10 POINTS!

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Answer:

Step-by-step explanation:

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3 years ago