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arlik [135]
3 years ago
13

Haley jarred 21 liters of jam after 7 days. How many days does Haley need to spend making jam if she wants to jar 27 liters of j

am in all? Solve using unit rates.​
Mathematics
2 answers:
Kay [80]3 years ago
8 0

Answer: i'm going to say 10

Step-by-step explanation:also don't come at me if i'm wrong because i'm not exactly sure that i'm right

VLD [36.1K]3 years ago
4 0

Answer: im pretty sure its 9

Step-by-step explanation:

/vfbtjuuuuuuuuws

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The caller times at a customer service center has an exponential distribution with an average of 22 seconds. Find the probabilit
jenyasd209 [6]

Answer:

The probability that a randomly selected call time will be less than 30 seconds is 0.7443.

Step-by-step explanation:

We are given that the caller times at a customer service center has an exponential distribution with an average of 22 seconds.

Let X = caller times at a customer service center

The probability distribution (pdf) of the exponential distribution is given by;

f(x) = \lambda e^{-\lambda x} ; x > 0

Here, \lambda = exponential parameter

Now, the mean of the exponential distribution is given by;

Mean =  \frac{1}{\lambda}  

So,  22=\frac{1}{\lambda}  ⇒ \lambda=\frac{1}{22}

SO, X ~ Exp(\lambda=\frac{1}{22})  

To find the given probability we will use cumulative distribution function (cdf) of the exponential distribution, i.e;

    P(X\leq x) = 1 - e^{-\lambda x}  ; x > 0

Now, the probability that a randomly selected call time will be less than 30 seconds is given by = P(X < 30 seconds)

        P(X < 30)  =  1 - e^{-\frac{1}{22} \times 30}

                         =  1 - 0.2557

                         =  0.7443

7 0
3 years ago
Pls answer time sensitive
vovikov84 [41]

Answer:

i would say that the rocket was in the air for 8 seconds and the highest it went in the air was 48

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is 5.300 equivalent to
S_A_V [24]
It is equivalent too 5.3 and 5.30
7 0
3 years ago
RYAN COMPLETED 1/8 of his test in 2/5 hour.if ryan's rate stayed the same,how much of his test was finished in one hour? help pl
KiRa [710]

Answer:

<h2>5/16</h2>

Step-by-step explanation:

Multiply 1/8 by 2.5

1/8 x 2.5 = 5/16

Ryan will have completed 5/16 of his test at the 1 hour mark.

I'm always happy to help :)

7 0
3 years ago
What is an equation of the line that passes through the points (3,-3) and (-3,-3)?
victus00 [196]
First find the gradient of the line
Change in y/change in x
-3–3/-3-3
0/-6
=0 ( so the gradient m is equal to zero)

Y=0x+c

Input the coordinates of one point to find c

-3=(0*3)+c
-3=c


So the equation is
Y= -3


3 0
3 years ago
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