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ira [324]
3 years ago
7

Aiden attended school for 408 minutes, played basketball for 138 minutes, and worked on homework for 111 minutes. Estimate how m

uch time he spent doing these activities by rounding to the nearest ten first and then adding the rounded numbers.
Mathematics
1 answer:
stellarik [79]3 years ago
7 0

Answer:

well  660

Step-by-step explanation:

well frist we will have to subtract 408 with every other number

408-138=270

270-111=159

this is what he had left

but if it's the other way around 410+140+110=660

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3 years ago
The population of two different cities are modeled by the equations shown below. The population (in thousands) is represented by
lesya [120]

Answer: years of equal population are 1995 and 2022.

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Cryersport: y = 55x - 950

Note that x2 is xsquare not x2

Resolving the quadratic equations carefully will give the values of y and x which represent the population and years.

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3 years ago
A ball is dropped from a height of 10 meters. Each time it bounces, it reaches 50 percent of its previous height. The total vert
xz_007 [3.2K]
After every drop,the ball bounces to half it's previous height. With that understood.

1st drop -The ball drops 10m

1st bounce - 5m up
2nd drop - 5m down

2nd bounce - 2.5m up
3rd drop - 2.5m down

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4th drop - 1.25m down

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10+5+5+2.5+2.5+1.25+1.25+0.625+0.625
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6 0
3 years ago
(a2·a3·(a−1))2. What is the answer
lora16 [44]

Answer: Assuming the a2 is a with an exponent of 2 and a3 is a with an exponent of 3, the answer is 2a^6-2a^5

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3 years ago
For every blank squares, there are blank circles
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For every 3 squares there are 2 circles
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