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nlexa [21]
3 years ago
13

Find the y-intercept for the parabola defined by

Mathematics
1 answer:
SashulF [63]3 years ago
6 0

Answer:

Step-by-step explanation:

The y-intercept exists where x = 0; plug in 0 for all the x's and solve the equation for y:

y=-7(0)^2-10(0)+3 and

y = 3. The coordinate that represents this is (0, 3)

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Suppose the probability that a softball player gets a hit in any single at-bat is 0.300. Assuming that her chance of getting a h
Ksivusya [100]

Answer:

P(X=4)=(1-0.3)^{4-1} 0.3 = 0.103

The probability that she will not get a hit until her fourth time at bat in a game is 0.103

Step-by-step explanation:

Previous concepts

The geometric distribution represents "the number of failures before you get a success in a series of Bernoulli trials. This discrete probability distribution is represented by the probability density function:"

P(X=x)=(1-p)^{x-1} p

Let X the random variable that measures the number os trials until the first success, we know that X follows this distribution:

X\sim Geo (1-p)

Solution to the problem

For this case we want this probability

P(X=4)

And using the probability mass function we got:

P(X=4)=(1-0.3)^{4-1} 0.3 = 0.103

The probability that she will not get a hit until her fourth time at bat in a game is 0.103

4 0
3 years ago
Yall I need help QUICK
Tomtit [17]

Answer:

y=-3x-12

Step-by-step explanation:

:)

6 0
2 years ago
The balance after the grace period is $15,000. A payment of $5,000 is made on the
mario62 [17]

Answer:

the average daily balance is 500

Step-by-step explanation:

If a payment of 5,000 is made on the tenth day you can divide 5,000 by ten to get the amount payed everyday before hand. Once you do that you will end up with the answer of 500. Therefore the average daily balance is 500

3 0
3 years ago
The population of MeadowView is increasing at a rate of
bija089 [108]

Answer:

The population will be 3800 in four years

Step-by-step explanation:

2500 + 325(4)

2500 + 1300

3800

6 0
3 years ago
How do you solve d+12=2 using mental math
n200080 [17]
By minusing 12 to both sides
d+12=2
   -12=-12
d      =-10
5 0
3 years ago
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