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kodGreya [7K]
3 years ago
12

If Happie had ridden exactly 100 feet in 25

Mathematics
2 answers:
Strike441 [17]3 years ago
6 0

Answer:

The speed rate is 100 feet per 25 seconds, or 20 feet every 5 seconds, (100 / 5 = 20)

Every minute is 60 seconds long, this means that to find out how fast she would roll in one minute we just need to do 60 / 5 = 12 and then do 12 x 20

12 x 20

10 x 20 = 200 feet per second

2 x 20 = 40 feet per second

200 + 40 = 240 feet per second

Happie would roll 240 feet in a minute at the speed of 100 feet per 25 seconds

Hope this helps!

kow [346]3 years ago
4 0

Answer:

  240 feet

Step-by-step explanation:

When speed is constant, time and distance are proportional.

  (100 ft)/(25 s) = (x ft)/(60 s)

Multiply by (60 s) to find the unknown value:

  (x ft) = (100 ft)(60 s)/(25 s)

  x ft = 240 ft

Happie would have ridden 240 feet in one minute at that speed.

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Analyze the graph and identify some factors that may contribute to the rotifer population leveling off in the absence of water f
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Answer:

Step-by-step explanation:

Firstly, we should begin to know what leveling off is.

Leveling off- to stay the same after a period of increase

Nearing the end of the graph you can see there is no continuous increase for the rotifers. That can be explained by carrying capacity. The flask has limited space.

3 0
2 years ago
There are 18 students in the Math Club. Of the 18 students, 1/6 have red hair. How many of the students have red hair? Of the 18
liubo4ka [24]

Answer:

3 students with red hair

12 students with brown hair

Step-by-step explanation:

1/6 times 18 = 18/6 = 3 students with red hair

4/6 times 18 = (18 times 4)/6= 12 students with brown hair

4 0
2 years ago
Read 2 more answers
Jaxson played a video game for 1/6 of an hour and hailey played for 1/3 of an hour who played a greater amount of time?
fiasKO [112]
There are 60 minutes in one hour
to find 1/6 of an hour, divide 60 by 6:
60/6=10
Jaxson played for 19 minutes
to find 1/3 of an hour, divide 60 by 3:
60/3=20
Hailey played for 20 minutes
20>10

Hailey played video games for 10 minutes longer than Jaxson
4 0
3 years ago
8. rajis annual salary ranges from $25 325 in the 1st year to $34 445 in the 7th year. The salaries in this range form an arithm
-Dominant- [34]

Answer:

a) $1520

b) S_7 = $209195

Step-by-step explanation:

The range of salaries forms an arithmetic sequence with the first term as 25325 and its 7th term as 34445:

a) The raise the person can get each year is the common difference of the progression, d.

The nth term of an arithmetic progression is given generally as:

a_n = a + (n - 1)d

where a = first term = 25325

d = common difference

Therefore, the 7th term (34445) will be:

34445 = 25325 + (7 - 1)d

34445 = 25325 + 6d

=> 6d = 34445 - 25325 = 9120

d = 9120 / 6 = $1520

Therefore, the raise the person gets each year (common difference) is $1520.

b) The total amount the person will earn after 7 years is the sum of the salaries of all 7 yeas.

The sum of an arithmetic progression up to the nth term is given as:

S_n = \frac{n}{2}(2a + (n - 1)d)\\ \\

Therefore, the sum of the person's salary for the 7 years is:

S_7 = \frac{7}{2}(2 * 25325 + (7 - 1)1520)\\ \\S_7 = 3.5 (50650 + 6(1520))\\\\S_7 = 3.5 (50650 + 9120)\\\\S_7 = 3.5 * 59770\\

S_7 = $209195

That is the total amount of salary after 7 years

5 0
3 years ago
In order to solve the equation -3x - 6 = 5, the first step is to?
lions [1.4K]

Answer:

Add 6 by both sides

Divide both sides by - 3

4 0
3 years ago
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