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3 years ago

Evan spent 15.89 on 7 pounds of birdseed how much did the bird seed cost per pound

1 answer:

8 0

Evan spent $2.27 on each pound of bird seed. To solve this divide the cost of the bird seeds by the pounds, which will lead you to this answer. Hope this helped! :)

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If the price of upholstery fabric is $12.49 per yard, how much will 16 yards cost?

Oliga [24]

16 yards will cost $199.84 assuming there is no tax. We know this because

12.49 X 16 = 199.84

7 0

2 years ago

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What is 1 + 1?<br> pls help

alexandr1967 [171]

11 duhhhhhhhhhhhhhhhh

5 0

2 years ago

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If f(x)=5x^0+4x^-3 then f(a)=?

devlian [24]

X=a
f(a)=5(a^0)+4a^-3 a^0=1
=5(1)+4/a^3
=5+4/(a^3)

4 0

3 years ago

Is the comparison 7/10 greater than 2/3 true?

andrew-mc [135]

Answer:

Yes is true

Step-by-step explanation:

7 /10 > 2 /3

0.7>0.666667

True

5 0

2 years ago

Let X be the number of material anomalies occurring in a particular region of an aircraft gas-turbine disk. The article "Methodo

Alinara [238K]

Answer:

a) $P(X \leq 4) = 0.6289$

$P(X < 4) = 0.4335$

b) $P(4 \leq X \leq 8) = 0.5452$

c) $P(X \geq 8) = 0.0511$

d) 0.2605

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given time interval.

It is important to know that the variance has the same value as the mean in a Poisson distribution. The standard deviation is the square root of the variance.

In this problem, we have that:

$\mu = 4, \sigma = \sqrt{4} = 2$ .