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Makovka662 [10]
3 years ago
13

Sophia and Tyler are running around a 400-meter track. They start running from the speed of 4 m/s. How long will it take Sophia

to lap Tyler?
Mathematics
1 answer:
garri49 [273]3 years ago
5 0

Answer:

100 minutes

Step-by-step explanation:

Given data

Total distaance= 400meters

Speed= 4m/s

We know that the expression for speed is

Speed= distance/time

substitute to find time

4= 400/time

time= 400/4

time= 100 minutes

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olga_2 [115]

Answer: \frac{5}{11}

Step-by-step explanation:

Given

Kira order 2 pieces of tuna and 5 pieces of crab

While Marcy ordered 3 pieces of tuna and 6 pieces of crab

Total tuna ordered =2+3=5 pieces

Total crab ordered=5+6=11 pieces

The ratio of Tuna and crab is   \frac{2+3}{5+6}=\frac{5}{11}

7 0
3 years ago
A con is tossed n times. How many difference sequences of head and tails can you get?
ryzh [129]

Answer:

2^n

Step-by-step explanation:

So whenever you flip a coin, you can see it as 2 nodes branching off of each existing node. so for example when you flip a coin once you're going to have 2 sequences initially H and T, now when you flip a coin again for each of those 2 sequences 2 are going to branch off of that, making the total sequences 4, and the next flip 2 sequences are going to branch off each of the 4 sequences and so on. this can generally be described as: 2^n

I attached an image describing this a bit better but the bottom line is that for each 'end node'/sequence you're going to have 2 branch off of it, thus for each coin flip the number of sequences multiplies by 2

5 0
2 years ago
Read 2 more answers
Sighting from a helicopter:A helicopter hovered at an altitude that is 1000 feet above a mountain peak of altitude 5210 feet A s
ICE Princess25 [194]
We can conclude that the the two peaks are 816.11 feet apart, and the altitude of the taller peak is 5475.17 feet.

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5 0
3 years ago
The students at view side elementary school had a read a thon the teachers kept track of how many books the students in each gra
inn [45]

Answer:

Estimate = 3400 books

Step-by-step explanation:

Given that:

Books read by students.

Kindergarten 247

First grade 385

Second grade  1347

Third grade 1549

We have to round the each number to nearest hundred.

247 rounded to the nearest hundred is 200.

385 rounded is 400

1347 rounded is 1300

1549 rounded is 1500

Total = 200 + 400 + 1300 + 1500 = 3400

Hence,

Estimate = 3400 books

4 0
3 years ago
What's the average of x-y and x+y
frez [133]

Answer:

x

Step-by-step explanation:

(x−y + x+y) / 2

2x / 2

x

6 0
3 years ago
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