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Airida [17]
3 years ago
6

Write an equation to represent the following statement the product of 12 and K is 84 solve for k ​

Mathematics
1 answer:
pashok25 [27]3 years ago
4 0

Answer:

How do i delete a comment

Step-by-step explanation:

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A body moves s metres in a time t seconds so that s = t3 – 3t2 + 8. Find:
Lady bird [3.3K]

Using derivatives, it is found that:

i) v(t) = 3t^2 - 6t

ii) 9 m/s.

iii) a(t) = 6t - 6

iv) 6 m/s².

v) 1 second.

<h3>What is the role of derivatives in the relation between acceleration, velocity and position?</h3>
  • The velocity is the derivative of the position.
  • The acceleration is the derivative of the velocity.

In this problem, the position is:

s(t) = t^3 - 3t^2 + 8

item i:

Velocity is the <u>derivative of the position</u>, hence:

v(t) = 3t^2 - 6t

Item ii:

v(3) = 3(3)^2 - 6(3) = 27 - 18 = 9

The speed is of 9 m/s.

Item iii:

Derivative of the velocity, hence:

a(t) = 6t - 6

Item iv:

a(2) = 6(2) - 6 = 6

The acceleration is of 6 m/s².

Item v:

t for which a(t) = 0, hence:

6t - 6 = 0

6t = 6

t = \frac{6}{6}

t = 1

Hence 1 second.

You can learn more about derivatives at brainly.com/question/14800626

7 0
2 years ago
Help me NOW!!!!!!!!!!!
hichkok12 [17]

Answer:

see below

Step-by-step explanation:

m<Q: 360-68-71-124= 97 degrees

m<Y: 360-95-46-74=145 degrees

m<K: 360-49-89-72=150 degrees

m<R: 360-98-65-69=128 degrees

m<C: 360-77-123-86=74 degrees

m<X: 360-135-105-67=53 degrees

m<T: 360-66-114-92=88 degrees

m<F: 360-146-91-75=48 degrees

3 0
3 years ago
Read 2 more answers
Mila buys 11/12 pounds of almonds and 5/6 pounds of pecans.
goldfiish [28.3K]

Answer: Check explanation.

Step-by-step explanation: I think its 0. Not sure. Hope this helped!

6 0
3 years ago
If 5 slices of pizza cost $5:50 how much does 
kupik [55]

The first thing we must do for this case is to define variables.

We have then:

x: number of slices

y: total cost

We write the linear function that relates the variables.

We have then:

y = (\frac{5.50}{5}) * x

Then, we evaluate the number of slices to find the total cost.

-two slices cost:

We substitute x = 2 in the given equation:

y = (\frac{5.50}{5}) * 2\\y = 2.2

Answer:

two slices = 2.2 $

-ten slices cost:

We substitute x = 10 in the given equation:

y = (\frac{5.50}{5}) * 10\\y = 11

Answer:

ten slices = 11 $

-half a slice cost:

We substitute x = 1/2 in the given equation:

y = (\frac{5.50}{5}) * \frac{1}{2}\\y = 0.55

Answer:

half a slice = 0.55 $

6 0
3 years ago
Luis wants to buy a pair of jeans that costs $24. If the tax rate is
muminat

Answer:

25 68/100

Step-by-step explanation:

percent means 1/100th.

7 percent=7/100

24 times 7/100= 1 68/100

24+1 68/100=25 68/100

7 0
3 years ago
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