3 years ago

Which of the following groups of numbers are all prime numbers?

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

6 0

The answer is B because all prime numbers are multiplied by one.

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Paddy and Anna each invest $2000 for 5 years.

Serga [27]

Answer: r= 1.22

Step-by-step explanation:

Formula for amount with simple interest = $P(1+rt)$

, where

P= principal value , r= rate of interest , t = time.

Given: P= $2000, t= 5 years, r= 1.25% = 0.0125

$A=2000(1+0.0125\times5)\\\\=2000(1.0625)=2125$

Formula to compute compound amount : $P(1+r)^t$

$=2000(1+r)^5$

When both have same worth then

$2000(1+r)^5=2125\\\\\\ (1+r)^5=\dfrac{2125}{2000}\\\\\\ (1+r)^5=1.0625$

taking log on both sides , we get

$5\ln (1+r)=\ln 1.0625\\\\\\ 5\ln (1+r)=0.0606246\\\\\\ \ln (1+r)=0.012125\\\\\\ 1+r=e^{0.005266}\\\\\\ 1+r=1.0122\\\\ r=0.0122\\\\ \\ r=1.22\%$

Hence, Value of r= 1.22

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3 years ago

A rectangle prism has three dimension

Airida [17]

Answer:

yes but what is your question?

Step-by-step explanation:

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2 years ago

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What is x equal to in the equation 10+x=5(1/5x+2)

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Step-by-step explanation:

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3 years ago

2r2 + 3s3 − r2 + 4t2 − r2 if r = −2, s = −3, and t = 5

Strike441 [17]

2r2 + 3s3 − r2 + 4t2 − r2

= 19

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3 years ago

HELP PLEASE!! 5⁸/5³= a. 5^-5 b. 1¹¹ c. 5⁵ d. 5 ¹¹

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I think c if it’s not right lmk

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