3 years ago

The human heart beats approximately 1.152 • 10^5 times per day. Approximately how many times does the heart beat in a year

Mathematics

1 answer:

Paraphin [41]3 years ago

3 0

42,048,000, first solve the equation then multiply it by the number of days in a year

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In a shipment of 71 vials, only 13 do not have hairline cracks. If you randomly select 2 vials from the shipment, what is the pr

yanalaym [24]

Answer:

0.0313

Step-by-step explanation:

Given that in the shipment of 71 vials, only 13 do not have hairline cracks

Probability of not having a hairline cracks = $\frac{13}{71}$

If you randomly select 2 vials from the shipment

(Probability of not having a hairline cracks)' = $\frac{13-1}{71-1}$ = $\frac{12}{70}$

what is the probability that none of the 2 vials have hairline cracks.

i.e $(\frac{13}{71}) * (\frac{12}{70})$

= 0.183 × 0.171

= 0.0313

Hence, the probability that none of the 2 vials have hairline cracks = 0.0313

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Step-by-step explanation:

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3 years ago

Simplify. 8 · 3 · x 13x 24x 22x 48x

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$8\cdot3\cdot x=(8\cdot3)x=24x$

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Use the graphing tool to graph the function f(x)=10^x. Then identify the features of the graph.

mafiozo [28]

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Step-by-step explanation:

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2 years ago

What is the surface area 1ft 1ft 1ft?

Elodia [21]

Answer:

6 ft^2

Step-by-step explanation:

If the object in question is a cube, then we could say the length is 1, the depth is 1 and the height is 1, in which case each side of the cube has an area of 1 ft^2.

There are 6 such sides, so the total surface area is 6 ft^2.

Next time please be explicit in naming the shape, either verbally or with a diagram.

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