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Mila [183]
2 years ago
5

I have a 15ft x 36in (4.57m x 91 cm) pool and the mats i wanna buy are 20.5-in x 20.5-in. How many mats would i need to put unde

r the pool?

Mathematics
1 answer:
yuradex [85]2 years ago
4 0

Answer:

you would need 4 matts

Step-by-step explanation:

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Two parallel lines are crossed by a transversal . What is the value of k?
bulgar [2K]

Answer:

The value of is equal to k=60\°

Step-by-step explanation:

we know that

(2k+11)\°=131\° -----> by alternate exterior angles

solve for k

2k=131\°-11\°

k=120\°/2=60\°

7 0
2 years ago
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What value of r makes the equation true? r 0.12 = 0.20
USPshnik [31]
I think the answer is 0.20 - 0.12 = 0.08
6 0
3 years ago
Rabies is an often-fatal disease typically transmitted through the bite of an infected animal. The state of Florida has been rec
slega [8]

Answer:

a) 3.6

b) 1.897

c)0.0273

d) 0.9727

Step-by-step explanation:

Rabies has a rare occurrence and we can assume that events are independent. So, X the count of rabies cases reported in a given week is a Poisson random variable with μ=3.6.

a)

The mean of a Poisson random variable X is μ.

mean=E(X)=μ=3.6.

b)

The  standard deviation of a Poisson random variable X is √μ.

standard deviation=S.D(X)=√μ=√3.6=1.897.

c)

The probability for Poisson random variable X can be calculated as

P(X=x)=(e^-μ)(μ^x)/x!

where x=0,1,2,3,...

So,

P(no case of rabies)=P(X=0)=e^-3.6(3.6^0)/0!

P(no case of rabies)=P(X=0)=0.0273.

d)

P(at least one case of rabies)=P(X≥1)=1-P(X<1)=1-P(X=0)

P(at least one case of rabies)=1-0.0273=0.9727

8 0
2 years ago
Listen
makkiz [27]

Answer:

The answer is the third equation. A = 250*(1 +0.016)^(0.75)

Step-by-step explanation:

Since Javier deposited $250 into an account with annual interest rate, then as the years passes his account will grow in the manner shown below:

account(0) = 250

account(1) = account(0)*(1 + 1.6/100) = account(0)*(1 + 0.016) = account(0)*1.016

account(2) = account(1)*1.016 = account(0)*1.016*1.016 = account(0)*(1.016)²

account(3) = account(2)*1.016 = account(0)*(1.016)²*1.016 = account(0)*(1.016)³

account(n) = account(0)*(1.016)^n

Where n is the number of years, account(0) is the initial amount. In this case only 9 months have passed, so we need to convert this value to years, dividing it by 12, which is 9/12 = 0.75. The initial amount was 250, so the equation is:

A = 250*(1.016)^(0.75)

The answer is the third equation.

7 0
2 years ago
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What is the y-intercept of the equation below? *<br> y = 2x - 1
Dimas [21]

Answer:

the y intercept is -1

Step-by-step explanation:

Because is the 2 is connected to x it means 1 is where y intercept started and x can not connect to y

4 0
2 years ago
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