2 years ago

1) A tube of toothpaste holds one hundred and twenty millilitres. What is the capacity of four tubes of toothpaste?

Mathematics

1 answer:

Ket [755]2 years ago

7 0

1)480ml
I’m not sure the second one hope this helps though

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Find the 7th term of the geometric sequence whose common ratio is 1/3 and whose first term is 5.

wolverine [178]

Answer:

$t_7 =\frac{5}{729}$

Step-by-step explanation:

We are given that:

First term (a) = 5

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The nth term of a geometric sequence is given as:

$t_n =ar^{n-1} \\\therefore t_7 =5\times \bigg(\frac{1}{3}\bigg) ^{7-1} \\\therefore t_7 =5\times \bigg(\frac{1}{3}\bigg) ^{6} \\\therefore t_7 =5\times \bigg(\frac{1}{3}\bigg) ^{6} \\\therefore t_7 =5\times \frac{1}{729}\\\\\huge\red{\boxed{\therefore t_7 =\frac{5}{729} }}$

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lubasha [3.4K]

Answer:

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Step-by-step explanation:

speed = distance/time

time * speed = distance

time = distance/speed

time = (284 miles)/(58 mph) = 4.9 hours

4.9 hours - 4 hours = 0.9 hours

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3 years ago

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Read 2 more answers

Please help select the equivalent representations of the interval written below

zhuklara [117]

Answer:

3rd option

Step-by-step explanation:

x < 7

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1 year ago