3 years ago

What is radical 3 divided by radical 3

Mathematics

1 answer:

konstantin123 [22]3 years ago

7 0

<h3>Answer: 1</h3>

Any number, except 0, divided by itself is always 1

x/x = 1 where x cannot be zero, but it can be any other number you want.

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Micah can do 75 push up in 3 minutes Edward Lowe can do 130 push-ups in 5 minutes are these rates equivalent

IrinaK [193]

No because Edward can do 26 push-ups per minute while Micah can only do 25 push-ups per minute

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3 years ago

Please help w number 2 :) A-B

suter [353]

Peter piper picked a pepper

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3 years ago

Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f

BabaBlast [244]

Answer:

153 times

Step-by-step explanation:

We have to flip the coin in order to obtain a 95.8% confidence interval of width of at most .14

Width = 0.14

ME = $\frac{width}{2}$

ME = $\frac{0.14}{2}$

ME = $0.07$

$ME\geq z \times \sqrt{\frac{\widecap{p}(1-\widecap{p})}{n}}$

use p = 0.5

z at 95.8% is 1.727(using calculator)

$0.07 \geq 1.727 \times \sqrt{\frac{0.5(1-0.5)}{n}}$

$\frac{0.07}{1.727}\geq sqrt{\frac{0.5(1-0.5)}{n}}$

$(\frac{0.07}{1.727})^2 \geq \frac{0.5(1-0.5)}{n}$

$n \geq \frac{0.5(1-0.5)}{(\frac{0.07}{1.727})^2}$

$n \geq 152.169$

So, Option B is true

Hence we have to flip 153 times the coin in order to obtain a 95.8% confidence interval of width of at most .14 for the probability of flipping a head

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2 years ago

What is the prime factorization of 50? 2 x 5 2 x 25 2 x 5 x 5 2 x 2 x 5

NeX [460]

Answer:

i think it is 2×5×5

hope it helps

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2 years ago

Please help, I'll mark Brainiest. It's 8th grade math

yawa3891 [41]

Answer:

(-5, 2)

Step-by-step explanation:

<u>plug x into the equation x - 5y = -15</u>

-5 - 5y = -15

add 5 to both sides: -5y = -10

divide by -5: y = 2

7 0

3 years ago

Read 2 more answers