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dedylja [7]
3 years ago
7

A bag contains 40 tickets, each numbered between 1-40. If a ticket is drawn at random, find the probability of it being odd or l

ess than 26
Mathematics
1 answer:
Crank3 years ago
3 0

Answer:

you have a 50% chance of getting an odd number and a 60% chance of getting a number less than 26.

Step-by-step explanation:

Between 1 and 40 there are 20 odd numbers

20÷ 40 x 100=50, This means you have a 50% (20:20) chance of getting an odd number.

Between 1 and 40 there 25 numbers less than 26

15÷25 x 100=60, This means you have a 60% (25:15) chance of getting a number under 26.

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5. A ball is thrown upward with an initial velocity of 50 feet per second. The
dangina [55]

Answer:

SEE BELOW IN BOLD.

Step-by-step explanation:

a.

h = -16t^2 + 50t

h = 20 t

When the height is the same:

-16t^2 + 50t = 20t

-16t^2  + 30t = 0

t(-16t + 30) = 0

t = 0 or  -16t + 30 = 0, so:

t = 0 or -30/-16 = 1.875

So the answer is 1.88 seconds to the nearest hundredth.

b.

For the ball

h = -16t^2 + 50t

Finding the derivative and equating to zero:

dh/dt = -32t + 50 = 0

t = -50/-32 = 1.563

Maximum height after 1.56 seconds to nearest hundredth

c.

When the ball hits the ground h = 0 so

-16t^2 + 50t = 0

-16t(t - 50/16)= 0

T = 3.13 SECONDS TO THE NEAREST HUNDERDTH

7 0
2 years ago
Please help me answer these questions!
sattari [20]
The answer for 15 is 5/6
7 0
3 years ago
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You have a recipe that indicates to use 3 parts milk for every 2 parts sugar You use 12 cups of milk How much sugar do you need
Stells [14]
Proportion
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8 0
3 years ago
For the function P(x) = x3 − 9x, at the point (2, −10), find the following. (a) the slope of the tangent to the curve (b) the in
Shalnov [3]

Answer:

3, in both a), b)

Step-by-step explanation:

a) The slope of the line tangent to the curve that passes through the point (2,-10) is equal to the derivative of p at x=2.

Using differentiation rules (power rule and sum rule), the derivative of p(x) for any x is p'(x)=3x^2-9. In particular, the value we are looking for is p'(2)=3(2^2)-9=12-9=3.

If you would like to compute the equation of the tangent line, we can use the point-slope equation to get y=3(x-2)-10=3x-16

b) The instantaneus rate of change is also equal to the derivative of P at the point x=2, that is, P'(2). This is equal to p'(2)=3.

4 0
3 years ago
Sparky bought a rare Mickey Mantle baseball card for $16,500 that is increasing 8% in value every year. How much will the card b
maria [59]

Answer: 28,278.10

Step-by-step explanation:

a_{7} =16500(1.08)^7

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