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Mama L [17]
3 years ago
10

A particle is moving along the number line so that its distance (in meters) from the origin at any time t (in seconds) is given

by s(t) = 8t2 + ln t.
The velocity of the particle at t = 1 second is:
Mathematics
1 answer:
Black_prince [1.1K]3 years ago
8 0

Answer:

The velocity is 17 m/s

Step-by-step explanation:

To find the velocity, we find the first differential of the displacement

That will be

S’(t) = 16t + 1/t

We simply proceed to replace t with 1

That will give;

16(1) + 1/1

= 16 + 1 = 17 m/s

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if 48% of the students at a certain college are female and there are 2,400 female students, what is the total amount of students
Mekhanik [1.2K]

Answer:5

Step-by-step explanation: you have to dived into two groups into five.

7 0
4 years ago
Dominique paid $15.50 to join an online music service.If she purchases 10 songs each month at a cost of $0.99 per song,what will
ozzi

Answer:

94.7

Step-by-step explanation:

15.50+10*0.99*8

4 0
4 years ago
Colin got 16 out of 80 correct in his test. What fraction of the marks did he get correct? Give your answer in its simplest form
Nata [24]

Answer: \frac{1}{5}  fraction collin correct.  

Solution:  

Collin correct 16 out of 80.  

It means total correct answer would be 16.  

Total number of question would be 80

We have to find the fraction of correct answer.  

Fraction = \frac{Correct answer}{Total answer}  

We get fraction,  

\frac{16}{80}

Now, we reduce the fraction if possible.  

We reduce fraction by divide numerator and denominator by same number .  

Here we divide numerator and denominator by 16 and we get ,  

Simplest fraction \frac{1}{5}    


4 0
3 years ago
Read 2 more answers
write an expression to represent the area of a pool whose length is 5x + 1 unit and the width is 10 units
STALIN [3.7K]
Area=length x width. Thus you would do 10 x (5x+1). You have to multiply both 5x and 1 by 10 to correctly distribute. So the final equation would be area=50x+10.
5 0
3 years ago
I need help thank you
IRISSAK [1]

Answer:

1) k = 3

2) 3, 4, 5

3) k + (k + 2) + (k + 4) = 4k

4) 6, 8, 10

Step-by-step explanation:

Jared used the equation;

k + (k + 1) + (k + 2) = 4k

Let's find k.

3k + 3 = 4k

4k - 3k = 3

k = 3

Thus,the integers will be;

3, (3 + 1) and (3 + 2)

This is; 3, 4, 5

He is looking for consecutive even integers but yet got 3 and 5 which are odd numbers. However, he should have used the format;

k, (k + 2), (k + 4) as the 3 consecutive even integers.

Thus, rewriting the main equation gives;

k + k + 2 + k + 4 = 4k

3k + 6 = 4k

4k - 3k = 6

k = 6

Thus,the integers are;

6, (6 + 2), (6 + 4)

This is; 6, 8, 10

6 0
3 years ago
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