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anastassius [24]

3 years ago

8

Charlie wants to estimate how much time in the eighth grade students in his school spend on their homework each night which samp

le of matter would give Charlie the best estimate

1 answer:

Fudgin [204]3 years ago

7 0

Answer:

it is b

Step-by-step explanation:

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Find the volume of a square pyramid with base edges of 48 cm and a slant

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The height of this pyramid will be:

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4 years ago

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3 years ago

Meredith has 8 pens and 9 pencils. Brody has 4 pens and 9 pencils.

raketka [301]

Answer:

i think the answer is 94

Step-by-step explanation:

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3 years ago

PLEASE HELP WITH THIS QUESTION!! DUE BY 1PM! wILL RATE YOU GOOD!! THANK YOU!!

kupik [55]

Find $a_{1}$ by plugging in 1 into n:
$a_{1} = 98-2(1)=96$

Find $a_{11$ by plugging in 11 into n:
$a_{11} = 98-2(11)$
$a_{1} =98-22=76$

Now to find the sum your formula is:
$S_{n} = \frac{n}{2} ( a_{1} + a_{n})$
$n = 11, a_{1} = 96 , a_{11} =76$

Now plug that into the formula
$S_{11} = \frac{11}{2} (96+76)$
$S_{11} = 5.5(172)=946$

Hope that helps

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3 years ago