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2 years ago

6

Equation unknown Ms. Owens has some butterflies 7 of them fly away Now she has 12 butterflies left How many butterflies did she

start with?

1 answer:

Alenkinab [10]2 years ago

5 0

Answer:

19

Step-by-step explanation:

You just have to add 12 and 7 to get 19

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Dana has 4 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the ra

Sedaia [141]

Answer:

2hrs 40 minutes

Step-by-step explanation:

The formula for distance is expressed as:

$d=st, s=speed, t=time$

#The time taken to run:

$d=st\\\\t=d/s\\\\t_r=d/8$

#The time taken to walk:

$d=st\\\\t=d/s\\\\t_w=d/2$

#Since the distances are the same:

$d_r=8t_r,d_w=2t_w\\\\8t_r=2t_w\\\\t_r+t_w=4->t_w=4-t_r\\\\\therefore8t_r=2(4-t_r)\\\\8t_r=8-2t_r\\\\t_r=1\frac{1}{3} \hrs\\\\t_w=4-1\frac{1}{3}=2\frac{2}{3}\ hrs$

Hence, Dana spends 2hrs 40 minutes walking back

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2 years ago

Sophia is saving money for a new bicycle. The bicycle will cost at least $623. Sophia makes $8.22 per hour.

Luda [366]

$8.22h greater than or equal to $623

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2 years ago

Read 2 more answers

If she steals 100 buys 70 worth of stuff owner gives u 30 back how much did owner lose

Nata [24]

Owner would lose out on $100

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3 years ago

The times for five sprinters in a 50 meter dash were 6.72 seconds 6.4 seconds 6.08 and 7.03 seconds in 6.75 seconds right these

andreev551 [17]

Answer:

Fastest to slowest = 6.08 > 6.4 > 6.72 > 6.75 > 7.03

Step-by-step explanation:

The person who completes the 50-meter race within the shortest possible time is the fastest sprinter. Here, the third sprinter crossed the line in 6.08 seconds, whereas the 4th sprinter crossed the line in 7.03 seconds. That is why the third sprinter has won the race, and he becomes the fastest. On the contrary, the fourth person takes the most time to complete the race, meaning he is the slowest.

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2 years ago

Find the limit. use l'hospital's rule where appropriate. if there is a more elementary method, consider using it. lim x→0+ arcta

Thepotemich [5.8K]

The answer for your problem is shown on the picture.

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2 years ago