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USPshnik [31]
3 years ago
7

Marisol is cutting a 13.5-foot plece of ribbon for a craft project. She cuts off 4.5 feet,

Mathematics
1 answer:
Nata [24]3 years ago
8 0

Answer:

Each remaining piece is 2.25 ft.

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A long distance runner does a first lap around a track in exactly 50 seconds.As she tires.Each subsequent lap takes 20% longer t
madreJ [45]

Answer:

182 seconds

Step-by-step explanation:

Given:

Time taken for first lap is 50 seconds and each subsequent lap takes 20% longer than previous

Solution:

Time taken for first lap = 50 sec

For second lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 50 sec

second lap = 50 + 20% of 50

second lap =50+(\frac{20}{100}\times 50)

second lap = 50 + 10

second lap = 60\ sec

For third lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 60 sec

Third lap = 60 + 20% of 60

Third\ lap = 60 + (\frac{20}{100}\times 60)

Third\ lap = 60+2\times 6

Third\ lap = 60+12

Third\ lap = 72\ sec

Time taken for 3 laps is equal to sum of all three laps time.

Tiem\ taken\ for\ 3\ lap = 50+60+72

Tiem\ taken\ for\ 3\ lap = 182\ sec

Therefore, it takes 182 seconds (3 min, 2 seconds) to run three laps

6 0
3 years ago
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ExtremeBDS [4]

The answer is 12.6


419 is 420 because we are estimating so find 1% of 420 which is 4.2 then multiply 4.2×3 to get 12.6

8 0
3 years ago
Read 2 more answers
Jenn and Adam each tried out for a soccer team. At Adam's tryout, there were 4 more than 3 times as many players than there were
rosijanka [135]
From my calculations the answer is 160
7 0
3 years ago
I need help on #14 please!
Morgarella [4.7K]
Yes your answer would be A 100000
6 0
3 years ago
Which of the following is equivalent to the expression below?
tiny-mole [99]
Root 16 is 4 and then 4 multiple with 3 is 12
So that is equal to
8*3/2=12
6 0
2 years ago
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