3 years ago

PLEASE HELP SIMPLE MATH PROBLEM WILL MARK BRAINLIEST

Mathematics

1 answer:

olga2289 [7]3 years ago

8 0

Answer:

not simple math but ok-

6,8

Step-by-step explanation:

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Is 976 -522 more or less than 400? Explain how you can tell without actually subtracting.

liq [111]

You can round 976 to 1000 and 522 to 500. So it would be
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2 years ago

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Find the geometric sum: 40 + 20 + 10 + … + 0.078125

sveticcg [70]

$S=40+20+10+\cdots+0.078125$
$S=40\left(1+\dfrac12+\dfrac14+\cdots+\dfrac1{512}\right)$
$S=40\left(1+2^{-1}+2^{-2}+\cdots+2^{-9}\right)$

$2^{-1}S=40\left(2^{-1}+2^{-2}+2^{-3}+\cdots+2^{-10}\right)$

$\implies S-2^{-1}S=40\left(1-2^{-10}\right)$
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2 years ago

There are a total of 64 students in a drama club and a yearbook club. The drama club has 10 more students than the yearbook club

g100num [7]

Given:
64 total students
x = drama club students
y = yearbook club students

x = y + 10
y = 64 - x

y = 64 - x
y = 64 - (y + 10)
y = 64 - y - 10
y + y = 64 - 10
2y = 54
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y = 27

x = y + 10
x = 27 + 10
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To check:

x + y = 64
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Step-by-step explanation:

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Step-by-step explanation:

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