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3 years ago

Which is faster 80km/h or 60 mi/h and why?

Mathematics

2 answers:

Vlada [557]3 years ago

8 0

80km/h because km is more than miles

Arturiano [62]3 years ago

5 0

60 mi/h because there are 1.6 km in a mile. So 60*1.6 = 96 km/h which is greater than 80km/h. Hope this helped!

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An angle measures 130° less than the measure of its supplementary angle. What is the measure of each angle?

seropon [69]

Answer:

Angle one is 130 degrees and angle two is 50 degrees

Step-by-step explanation:

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3 years ago

Is 12.89 irrational

STatiana [176]

No. It's the ratio of 1,289 to 100 .

Also, it can be written as a fraction with whole numbers
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Also, it can be written down on paper completely, using
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4 years ago

Jill has a swimming pool in her backyard. It is shaped like a rectangle and measures approximately 16.3 feet wide and 26.2 feet

balu736 [363]

Answer:

The dimensions of swimming pool are:

Length = 26.2 feet

Width = 16.3 feet

Height = 5 feet

During a few hot weeks during the summer, some water evaporates from the pool, and Jill needs to add 8 inches of water to the depth of the pool.

We will convert 8 inches o feet.

1 inch = 1/12 feet

So, 8 inch = $8/12=0.66$ feet

Now we have to tell how much water will be there in 0.66 feet depth.

So, volume = $16.3\times26.2\times0.66=281.86$ cubic feet.

1 cubic feet has 7.480 gallons

So, 281.86 cubic feet will have $281.86\times7.480=2108.31$ gallons of water.

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4 years ago