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bija089 [108]
3 years ago
6

Suppose the probability experiment is to draw two marbles, without replacement, from a jar. The jar has 5 red marbles and 5 blue

marbles. If the first marble is red, what is the chance the second marble will be red?
Mathematics
1 answer:
EastWind [94]3 years ago
5 0

Answer:

4/5 chance or 75 % chance

Step-by-step explanation:

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4. Tom rides his bike a total of 6 14 miles to work over the course of 5 days.
irina [24]

6 14 miles in 5 days.

In 1 day Tom rides 6 14/5 = 1 228 miles

1 week has 7 days

5 weeks have 35 days

1 day Tom rides 1 228 miles

35 days Tom rides for 1 228 * 35 = 42 98miles.

5 0
3 years ago
A rocket carrying fireworks is launched from a hill 60 feet above a lake. The rocket will fall into the lake after exploding at
castortr0y [4]

Answer:

<h3>A) 204m</h3><h3>B) 188m</h3>

Step-by-step explanation:

Given the rocket's height above the surface of the lake given by the function h(t) = -16t^2 + 96t + 60

The velocity of the rocket at its maximum height is zero

v = dh/dt = -32t + 96t

At the maximum height, v  = 0

0 = -32t + 96t

32t = 96

t = 96/32

t = 3secs

Substitute t = 3 into the modeled function to get the maximum height

h(3) = -16(3)^2 + 96(3) + 60

h(3) = -16(9)+ 288 + 60

h(3) = -144+ 288 + 60

h(3) = 144 + 60

h(3) = 204

Hence the maximum height reached by the rocket is 204m

Get the height after 2 secs

h(t) = -16t^2 + 96t + 60

when t = 2

h(2) = -16(2)^2 + 96(2) + 60

h(2) = -64+ 192+ 60

h(2) = -4 + 192

h(2) = 188m

Hence the height of the rocket after 2 secs is 188m

3 0
3 years ago
Question attached as screenshot below: please help me I don't think my answer is correct, need clarifying
hoa [83]

\begin{gathered} F(x)\text{ is }increa\sin g\text{ on (}0,\infty\text{), beacuse the derivative is positive on that } \\ \text{Interval} \end{gathered}

5 0
1 year ago
Does the volume of a cylinder have to be a decimal.
san4es73 [151]
No, it does not always have to be a decimal although it is more common to have one.
6 0
4 years ago
17 is what percent of 34​
Stels [109]

Answer:

50%

Step-by-step explanation:

17/34 = .50

3 0
4 years ago
Read 2 more answers
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