2 years ago

Someone help 6th grade math i will mark brainliest

Mathematics

1 answer:

LiRa [457]2 years ago

8 0

Answer:

B. -2 *4

Step-by-step explanation:

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What is the sum of the geometric series 2^0 + 2^1 + 2^2 + 2^3 + 2^3 + 2^4 + … + 2^9?

GREYUIT [131]

Sum is
$S_{n}=\frac{a_{1}(1-r^{n})}{1-r}$

r=common ratio
a1=first term
it looks like 2^0=1 is the first term aka a1
it goes to the 9th term (2^9)

sub
$S_{9}=\frac{1(1-(2)^{9})}{1-2}$
$S_{9}=\frac{1-512}{-1}$
$S_{9}=\frac{-511}{-1}$
$S_{9}=511$

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3 years ago

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Peter paid $79.80 for renting a tricycle for 6 hours. What was the rate per hour for renting the tricycle? (Input only numeric v

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Answer:

13.30

Step-by-step explanation:

$79.80 / 6 hours = $13.30

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3 years ago

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The area of a baseball field bounded by home plate, first base, second base, and third base is a square. If a player at first ba

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Answer:

120ft

Step-by-step explanation:

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2 years ago

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If the diameter is 15.5 cm what is the circumference

tresset_1 [31]

Answer:

see below

Step-by-step explanation:

The circumference is given by

C = pi *d

C = 15.5 pi

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C = 15.5 * 3.14

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3 years ago

What's 46.82 rounded to the nearest ten?

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50 is 46.82 rounded to the nearest ten

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