3 years ago

0.4 repeating as a fraction

Mathematics

1 answer:

katrin [286]3 years ago

7 0

It is 4/9 ask if you need an explanation

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10m^3 of air weigh 13 kg.

Lemur [1.5K]

49.686‬ kg

Step-by-step explanation:

Since the density of the air remains constant in the question

We can represent this equation as a ratio;

10 m³ = 13 kg

(4.2 * 3.5 * 2.6) m³ = ? (x) kg

4.2 * 3.5 * 2.6 = 38.22

We cross multiply

38.22 * 13 = 10 * x

X = 496.86‬ /10

X = 49.686‬

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3 0

4 years ago

Help ASAP.

dlinn [17]

$24.5 \div 24.5$
try that then times it by 12.1

7 0

3 years ago

Read 2 more answers

FInding the length of EB

larisa86 [58]

Answer:

EB=3.3

Step-by-step explanation:

From the diagram, triangle ABC is similar to triangle DBE.

This means that, the corresponding sides are proportional.

It was given that AC=6, DE=4, CB=5.

We want to find EB=x

Since the ratio of corresponding sides are proportional, we have:

$\frac{EB}{CB} =\frac{ED}{AC}$

We substitute to obtain:

$\frac{x}{5} =\frac{4}{6}$

Multiply both sides by 5 to get:

$x=\frac{4}{6}\times 5=\frac{20}{6}=\frac{10}{3}=3.3$

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4 years ago

A bicycle was on sale for 32% off the original price. it is known that the sale price was $867. what was the original price?

Tcecarenko [31]

Answer:

7896

Step-by-step explanation:

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3 years ago

If you run 10 minutes a day but don’t walk 45 minutes a day, and you don't find yourself living up to age of 90, then is the cla

Neporo4naja [7]

Answer:

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Step-by-step explanation:

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3 years ago