3 years ago

80 is 10 times as much as

Mathematics

1 answer:

MAXImum [283]3 years ago

5 0

80 is 10 times as much as 8

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Step-by-step explanation:

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3 years ago

A bus takes 45 minutes to travel 48 kilometres. What is its average<br>speed?<br>

navik [9.2K]

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64km/h

Step-by-step explanation:

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3 years ago

The difference between two numbers is 5. six times the larger number is 8 times the smaller number. write a system of equations

Ksenya-84 [330]

X - y = 5....x = 5 + y
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3 years ago

A rumor that was told initially to three people is spreading at a este of 5% each week the following function represents the wee

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Step-by-step explanation:

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3 years ago

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natulia [17]

You can use the sum of angles identities, then rearrange to put the result in the form of tangents.

$\displaystyle\frac{\sin{(x+y)}}{\sin{(x-y)}}=\frac{\sin{(x)}\cos{(y)}+\cos{(x)}\sin{(y)}}{\sin{(x)}\cos{(y)}-\cos{(x)}\sin{(y)}}\\\\=\frac{\left(\frac{\sin{(x)}\cos{(y)}+\cos{(x)}\sin{(y)}}{\cos{(x)}\cos{(y)}}\right)}{\left(\frac{\sin{(x)}\cos{(y)}-\cos{(x)}\sin{(y)}}{\cos{(x)}\cos{(y)}}\right)}\\\\=\frac{\tan{(x)}+\tan{(y)}}{\tan{(x)}-\tan{(y)}}$

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4 years ago