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algol13
2 years ago
14

Help me please

Mathematics
1 answer:
Nata [24]2 years ago
6 0

Answer:

-3 square root of 8 8/3 square root of 9

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Max was on vacation twice as long as Jerad and half as long as wesley the boys were on vacation for a total of 3 weeks of long o
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Jerrad has a 3-day vacation, Max has a 6-day vacation, and Wesley's vacation is 12 days
3 0
3 years ago
A box contains red marbles and green marbles. Sampling at random from the box five times with replacement, you have drawn a red
olasank [31]

Answer: The probability of drawing a red marble the sixth time is 1/2

Step-by-step explanation:

Here is the complete question:

A box contains 10 red marbles and 10 green marbles. Sampling at random from the box five times with replacement, you have drawn a red marble all five times. What is the probability of drawing a red marble the sixth time?

Explanation:

Since the sampling at random from the box containing the marbles is with replacement, that is, after picking a marble, it is replaced before picking another one, the probability of picking a red marble is the same for each sampling. Probability, P(A) is given by the ratio of the number of favourable outcome to the total number of favourable outcome.

From the question,

Number of favourable outcome = number of red marbles =10

Total number of favourable outcome = total number of marbles = 10+10= 20

Hence, probability of drawing a red marble P(R) = 10 ÷ 20

P(R) = 1/2

Since the probability of picking a red marble is the same for each sampling, the probability of picking a red marble the sixth time is 1/2

3 0
3 years ago
PLZ I NEED THIS ASAP ANSWER IT FULLY AND ILL GIVE YOU BRAINLIST!!
TiliK225 [7]

Answer:

Yes, x and y do have a proportional relationship.

7 0
3 years ago
Mr. Sanchez earned a salary of $49,375 last year. He expects to earn 11% more this year. Which is closest to the salary Mr. Sanc
Shkiper50 [21]
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5 0
3 years ago
The function f(t) =16t 2 + 248 models the height f(t) in feet of a stone t seconds after it is dropped from the edge of a vertic
Hatshy [7]

Answer:

The time it takes for the stone to reach the ground is 3.94 s. This answer is correct.

Step-by-step explanation:

I believe there's a mistake in the equation shown, the acceleration (number that multiplies t²) should be negative, since the stone is falling, therefore I'll answer assuming it's -16 instead of 16, otherwise there would be no real solution to the equation.

In order to calculate how long it'll take for the stone to hit the ground we must make f(t) = 0 and find the time "t" that makes the equation valid, so we have:

f(t) = -16t² + 248 = 0

-16t² = -248

t² = -248/(-16) = 15.5

t = sqrt(15.5) = 3.94

7 0
3 years ago
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