3 years ago

Kelly runs a distance of 100 metres in a time of 10.52 seconds.

1 answer:

7 0

The upper bound means the highest number that you can round up to the nearest unit, in this case meters. So the upper bound for the distance of 100 meters is 100.4 meters.

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notsponge [240]

Answer:

y= -4x

Step-by-step explanation:

hope this helps and lmk if you need anything!

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3 years ago

Ellie practices piano 2/3 h per day, several days each week. She practiced piano 32/23 hours during the summer.

butalik [34]

Let us assume that the number of days she practiced the piano to be "d"

Since she practiced 2/3 hours a day, the total number of hours would be: 2/3*d

Now we are given the total number of hours during summer that she practiced be be equal to 32/23

So we equate 2/3 * d to 32/23 to find d

2/3*d = 32/23

d = (32/23)/ (2/3)

d = (32/23) * (3/2)

d = 48/23 hours

The equation that can be used to find the number of days that she practiced piano during the summer is 2/3*d = 32/23

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3 years ago

Which expression is equivalent to 4^6 ⋅ 4^−8? 1 over 4 to the 2nd power 1 over 4 to the 14th power 42 414

jarptica [38.1K]

$4^6*4^-^8 = 4^6^+^-^8=4^-^2= \frac{1}{4^2} = \frac{1}{16}$

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3 years ago

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