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3 years ago

9

Helen divides up some money to give to her 8 nieces. If d represents the total amount, enter a expression to represent how much

money does each niece receives

1 answer:

natali 33 [55]3 years ago

7 0

each niece receives d/8

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Can i have help please

11Alexandr11 [23.1K]

Answer:

60 ft, 7.5 ft 67.5 ft

Step-by-step explanation:

1. 5*12=60 ft

2 5*3=15 15/2=7.5 ft

3 60+7.5=67.5 ft

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3 years ago

Which of the following numbers is a Mersenne prime?<br> A: 90<br> B: 27 - 1<br> C: 211 - 1<br> D: 15

My name is Ann [436]

Answer:

B: 2⁷-1 = 127

Step-by-step explanation:

A Mersenne prime is a prime of the form 2^n -1, where n is also a prime.

Among the answer choices, neither 90=2·3²·5 nor 15=3·5 is prime. Both 2⁷-1 = 127 and 2¹¹-1 = 2047 are of the right form, but 2047 = 23·89 is a composite number.

2⁷-1 = 127 is a Mersenne prime

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3 years ago

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Mazyrski [523]

He earned $16 in a hour cuz he worked for 10 hours and 10x16=160

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saveliy_v [14]

Answer:

-1.42857

Step-by-step explanation:

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3 years ago

What is the PE of a rock that weighs 100 newtons that is sitting on top of a hill 300 meters high

GenaCL600 [577]

$PE= mgh$

m- mass
g- gravity constant
h- height

remember F=ma
or weight = mg

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3 years ago