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Lapatulllka [165]
3 years ago
7

A group of students have the following hose numbers : 29, 39, 59, and 79. Randy has a composite house number. What is Randy’s ho

use number
Mathematics
1 answer:
Julli [10]3 years ago
7 0
I beliebe its 789eiwowp
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Is the negative square root of 9 rational or irrational ​
Nana76 [90]

Answer:

Rational

Step-by-step explanation:

-9 is rational because 9 is a perfect square and all perfect squares are rational.

6 0
3 years ago
A point is reflected across the x-axis. The new point is (5 -3.5) What is the distance between the two points?​
alukav5142 [94]

Answer:

10

Step-by-step explanation:

8 0
2 years ago
American kestrels live in More Mesa near your professor’s house. Suppose that there are 100 birds, of which a random sample of s
Ulleksa [173]

Answer:

P(X=3) = 0.2013

Step-by-step explanation:

After taking and tagging the first 20 birds, then we have a proportion of 20% of tagged birds within the population, that is

p=\frac{n}{N}

p=\frac{20}{100}=0.20

Supposing that the probability (0.20) of capturing a bird <em>remains constant</em>, we may resolve it as it follows:

Capturing 10 birds can be considered as a binomial experiment with a success probability p = 0.2

Let, P(X=x)=nCx*p^{x}*(1-p)^{n-x} be the expression of the binomial distribution, for our case we have:

p=0.2

x = 3

n=10

Then,

P(X=3)=10C3*0.2^{3}*0.8^{10-3}

P(X=x)=0.2013

Therefore, the probability that exactly 3 of the 10 birds in the new sample were previously tagged is 20.13%

5 0
2 years ago
The asymptote of the function f(x) = 3^x + 4 is y =
Diano4ka-milaya [45]
Answer is 4 i just took the test with that queston.

8 0
3 years ago
The distance required for a car to stop after the driver steps on the brakes can be estimated by 24d = v2 where d is the distanc
Cerrena [4.2K]

To solve for the distance the car is required to stop after the driver steps on the break is by jus substituting the given value to the equation given. Since the car is traveling at 50 miles per hour

24d = (50)^2

D = 2500/24

<span>D =104 ft</span>

6 0
3 years ago
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