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exis [7]
3 years ago
8

What is 2km / 29/2minutes

Mathematics
1 answer:
Eduardwww [97]3 years ago
8 0

Answer: simple 2.29885057 m / s

Step-by-step explanation:

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How many times smaller will a number become if is it decreased by 20%?
stealth61 [152]

Answer:

Step-by-step explanation:

I'm unsure why my answer was deleted, randomly deleted a thoroughly explained answer.

20% is 20/100, 1/5, or 0.2

The number will decrease by a factor of 5.

3 0
3 years ago
If the volume of the pyramid is 72 what is its height?
Kobotan [32]
You can't know with only volume. Sorry.
5 0
3 years ago
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18 ≥ 6x what is the answer
dangina [55]

Answer:

3 ≥ x

Step-by-step explanation:

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3 years ago
What is the period of y=2cos(3x-2π)?
Strike441 [17]

y=2\cos(3x-2\pi)\\\\\text{The period of a cosine is}\ 2\pi.\\\\P-period\\\\2\cos(3(x+P)-2\pi)=2\cos(3x-2\pi)\qquad\text{divide both sides by 2}\\\\\cos(3x+3P-2\pi)=\cos(3x-2\pi)\iff3x+3P-2\pi=3x-2\pi+2\pi\\\\3x+3P-2\pi=3x\qquad\text{subtract 3x from both sides}\\\\3P-2\pi=0\qquad\text{add}\ 2\pi\ \text{to both sides}\\\\3P=2\pi\qquad\text{divide both sides by 3}\\\\\boxed{P=\dfrac{2\pi}{3}}\\\\Answer:\ \boxed{D.\ \dfrac{2\pi}{3}}

3 0
3 years ago
What are the real square roots of .0625
Andreas93 [3]

Assuming you can't simply put the number inside a calculator: write the number as a fraction:


0.0625 = \frac{625}{10000}


Find the prime factorization both numerator and denominator:


\frac{625}{10000} = \frac{5^4}{2^45^4}


The square root halves the exponents, so the number becomes


\sqrt{\frac{625}{10000}} = \frac{5^2}{2^25^2} = \frac{25}{100} = 0.25

5 0
3 years ago
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