2 years ago

Can 4/3, 12/9 Form a proportion?

Mathematics

1 answer:

Rainbow [258]2 years ago

6 0

Yes because they all have multiples of 3.
Also 4*3=12 and 3*3=9 so 4/3 is equal to 12/9.

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An insect crawls up 5cm every second on a 6cm vertical rod and then falls down 2cm over the next second. How many seconds will i

makkiz [27]

Answer:

3 seconds

Step-by-step explanation:

It's quite simple. First, add 5cm to the progress of the insect, counting it as 1 second. Then subtract 2cm because it falls over the next second, thus taking another second. Then finally, plus 5cm, making it 3 seconds. It's not 4 seconds because at 3 seconds it had already reached the top.

If I didn't clear everything or messed up, please comment.

3 0

2 years ago

Paul's Pizzeria sells 45 cheese pizzas and 20 pepperoni pizzas each week.

Zina [86]

Ratio is demonstrated by " : " sign.
Ratio of cheese: pepperoni
45:20
Simplify and divide each side by 5
9:4

A. 9:4

Hope this helps :)

6 0

2 years ago

Type your answer in decimal form. Do not round.<br> 7 days =<br> a0 hours

ExtremeBDS [4]

It depends on the definition of day, solar day or stellar day.
Explanation: Solar day: 1 day = 24h
7 days = 168h

5 0