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AveGali [126]
3 years ago
5

I am so lost right now please help!!!!

Mathematics
1 answer:
8090 [49]3 years ago
5 0
I've written down the working out and the answer on the attached image

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I need the answers to the following questions
Oliga [24]
At death means x= 0, so on the graph you can see that (0, 500), so 500 carbon atoms are present at death.

Plug 11,240 in for t in the equation, and you are left with N(t) = 500(1/2)^2 = 125 carbon atoms.

See the graph point (25,000, 24.298)? That means that after 25,000 years 24.298 carbon atoms will be present. So the answer is 25,000 years.
4 0
3 years ago
A large explosion causes wood and metal debris to rise vertically into the air with an initial velocity of 96 feet per second. T
Vladimir [108]

Answer:

the height after 2 seconds will be 128 feet

Step-by-step explanation:

Data provided in the question:

Initial velocity = 96 feet per second

The function of height of falling debris above the ground is given as:

h(t) = 96t - 16t²

A) To find height after time t = 2 seconds

substituting the value of time in the above function, we get

h(t) = 96 × 2 - 16 × 2²

or

h(t) = 192 - 16 × 4

or

h(t) = 192 - 64

or

h(t) = 128 feet

Hence,

the height after 2 seconds will be 128 feet

5 0
3 years ago
A definite integral of f(x)dx on the interval a to b probably SHOULDN'T be used:
OLga [1]
= cos( -x ) * [ - sin( - x ) ] = cosx * sinx ;
cosx * sin x is the right answer !
6 0
3 years ago
Bill plays a game of a chance at school fair.
myrzilka [38]

Answer:

well... this normal addition

Step-by-step explanation:

9+8=17

9+1=10

5+4=9

5+2=7

3+4=7

3+1=4

4 0
3 years ago
P(getting exactly 7 correct) = 0.0031
GarryVolchara [31]

Answer:

Sample Response: The probability gets smaller and approaches 0 because 9 or 10 successes in 10 trials is unlikely.

7 0
3 years ago
Read 2 more answers
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