2 years ago

Delia drives 220 km in 2 hours. Calculate her average speed in km/hrs.

Mathematics

1 answer:

alexira [117]2 years ago

8 0

110 because avg speed is total distance over total time

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3t − 2t + 2 = 9<br><br><br> t =

alexandr402 [8]

Answer:

t = 7

Step-by-step explanation:

Combine like terms

3t - 2t + 2 = 9

t + 2 = 9

Move the variable

t + 2 = 9

- 2 -2

t = 7

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3 years ago

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What is the percent change from $30 to $33? Is this a percent increase or decrease? Show your reasoning.

tekilochka [14]

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2 years ago

6% sales tax on a $69.50 watch

-Dominant- [34]

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krek1111 [17]

Answer:

2100

Step-by-step explanation:

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x= 50*210 / 5

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2 years ago

The perimeter of a rectangular flower garden is 80 m and its area is 375 m2. Find the length of the garden.

Umnica [9.8K]

The answer is 25m.
Height = 15
Length = 25
Height+lengthx2= 80(perimeter)
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3 years ago