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ivann1987 [24]
3 years ago
13

Name two equivalent fractions for each fraction 3 / 21 explain how this is true

Mathematics
1 answer:
Svet_ta [14]3 years ago
3 0

Answer:

6 / 42 and 9 / 63

Step-by-step explanation:

3 / 21 x 2 is 6 / 42

3 / 21 x 3 is 9 / 63

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6x+2y=12 how do I show my work
EleoNora [17]
Divide both sides
3x+y-6=0
move variable
6x=12-2y
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x=2-1/3y
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Final answer:
x=2
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4 years ago
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Colin invests £1100 into his bank account. He receives 5% per year simple interest. How much will Colin have after 6 years? Give
motikmotik

Answer:

Step-by-step explanation:

P = £1100

r = 5%

t = 6 years

I =P*r*t

I =1100*\frac{5}{100}*6\\\\I=11*5*6\\\\I = 330

Amount = P + I = 1100 + 330 = £1430

5 0
3 years ago
Would it make sense to describe the total weight of Mark's dinner in tons? Why or why not?​
tatyana61 [14]

Answer: No

Step-by-step explanation:

It would not make sense to describe the total weight of Mark's dinner in tons. A ton is equivalent to 2000 pounds, which is 600 pounds heavier than what was considered the world's heaviest man. Depending on the context of the problem, I doubt Mark is eating such large amounts of food.

8 0
3 years ago
Marian is a sprinter, running short distances on the track team. She wants to find how fast she runs in miles per hour. What uni
anastassius [24]
Miles per hour= mph...hope this helps!
3 0
3 years ago
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Determine the X values for which the power series of n=0 to infinity N!X^N converge and the power series of n=0 to infinity X^N/
shtirl [24]

Step-by-step explanation:

∑ₙ₌₀°° n! xⁿ

Use ratio test:

L = lim(n→∞)│aₙ₊₁ / aₙ│

L = lim(n→∞)│[(n+1)! xⁿ⁺¹] / (n! xⁿ)│

L = lim(n→∞)│[(n+1)! / n!] (xⁿ⁺¹ / xⁿ)│

L = lim(n→∞)│(n+1) x│

L = ∞

The series is divergent for all values of x.

∑ₙ₌₀°° xⁿ / n!

Use ratio test:

L = lim(n→∞)│aₙ₊₁ / aₙ│

L = lim(n→∞)│[xⁿ⁺¹ / (n+1)!] / (xⁿ / n!)│

L = lim(n→∞)│[xⁿ⁺¹ / (n+1)!] (n! / xⁿ)│

L = lim(n→∞)│(xⁿ⁺¹ / xⁿ) [n! / (n+1)!]│

L = lim(n→∞)│x / (n+1)│

L = 0

The series is convergent for all values of x.

8 0
3 years ago
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