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Ira Lisetskai [31]
4 years ago
14

Kaitlyn has 7 white chips, 5 red chips, and 8 blue chips in a bag.

Mathematics
1 answer:
dmitriy555 [2]4 years ago
5 0

80 times could Kaitlyn expect to pull out a blue chip.

<u>Step-by-step explanation</u>:

  • The total number of chips in the bag = 7 white+5 red+ 8 blue = 20 chips.
  • Probability (blue chip) = number of blue chips / total chips

P(blue) = 8/20

She does this 200 times.

P(blue) for 200 times = (8/20)\times200 = 80.

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Water is flowing into a large spherical tank at a constant rate. Let V (t) be the volume of water in the tank at time t, and h(t
aleksley [76]

Answer:

See solutions for detail.

Step-by-step explanation:

a.  \frac{dV}{dt} is the instantaneous rate of change of volume given with respect to time, t.

The volume's rate of change is written as a function of time.

-\frac{dh}{dt} is the rate of change in the height of water in the tank with respect to time, t.

b.  \frac{dV}{dt}- is the only constant. Water flows into the constant at a constant rate, say 6cm^3 per minute.

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4 years ago
What will be the cost of the paving if cement costs $26.50 per square metre?
WITCHER [35]

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Step-by-step explanation:

4 0
3 years ago
Plz help i need helppppppp
Goshia [24]

Answer:

1) 36

b) 5

c) 3.0

Step-by-step explanation:

1) The recursive formula that defines the given sequence is

a_1=12 \\  a_n=a_{n-1}+4.

That means we keep adding 4 to the subsequent terms:

The sequence will be:

12,16,20,24,28,32,36,...

Therefore the seventh term is 36.

2) The sequence is recursively defined by;

a_1=20\\  a_n=a_{n-1} - 5

This means, we have to keep subtracting 5 from the subsequent terms.

The sequence will be;

20,15,10,5,...

Therefore the fourth term is 5

3) The sequence is recursively defined by:

f(n+1)=f(n)+0.5

where f(1)=-1.5

This means that, the subsequent terms can be found by adding 0.5 to the previous terms.

The sequence will be:

-1.5,-1.0,-0.5,0,0.5,1,1.5,2.0,2.5,3.0,....

Therefore f(10)=3.0

8 0
4 years ago
Im confused and i need help please help
denis23 [38]

Answer:

C

Step-by-step explanation:

8 0
3 years ago
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