3 years ago

Find the formula for the nth term of these sequences:

1 answer:

8 0

A child makes a pitcher of fruit punch by completely dissolving fruit- flavoured powder in water. The child drinks a glass and decides the punch needs to be sweeter, so she stirs in more powder. This time the powder does not all dissolve, but settles on the bottom of the pitcher. A) Is the fruit-flavoured powder a pure substance or a mixture? * helpme anyone?

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Three and 8/9 plus 8/9 in simplest form

Vinvika [58]

3 and 8/9 + 8/9 would be 3 16/18. Then, to simplify it, divide by 2 to get 8/9. So, it is 3 and 8/9.

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3 years ago

Convert 15 km per hour to meters per second

ipn [44]

1km = 1000m
1hr = 3600sec

Do proportions:
1km / 1000m = 15km / x
15000m = x

1hr = 3600sec

15000/3600 = 4.2m per second
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Replace variables with values and