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kirill [66]
3 years ago
7

What does this mean? (Picture)

Mathematics
1 answer:
lianna [129]3 years ago
3 0
9 times 43 is 387 split 9 and 43 and put It in the area model and then add them up
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A sphere has a radius of 9 in. An artist creates a replica of the structure that has been scaled up by a factor of 1.5.
vesna_86 [32]

Answer:

Step-by-step explanation:

V=4/3πr³

v = 1.33*3.142*9³

v = 3046.39in³

New scale = 3046.39*1.5

= 4,569.59in³

7 0
3 years ago
Read 2 more answers
What greater than 476 and less than 598​
hichkok12 [17]
597 I’m pretty sure
7 0
3 years ago
Read 2 more answers
Reduce 105 in the ratio 3:5​
Komok [63]

9514 1404 393

Answer:

  39.375 : 65.625

Step-by-step explanation:

The meaning of "reduce" in this context is unclear. We assume you want to divide the quantity 105 into parts that have a ratio of 3 : 5. Then the smaller part will be 3/(3+5) = 3/8 of the total; the larger part will be 5/8 of the total.

  3/8 × 105 = 39 3/8

  5/8 × 105 = 65 5/8

The divided quantities are ...

  39.375 : 65.625

3 0
2 years ago
Which graph represents y – 1 = 2(x – 2)?<br><br> Thank You! :)
Llana [10]
Y = 2(x – 2)+1
y = 2x – 4+1
y = 2x-3

insert x=0 -> y=-3, only the first graph passes through (0,-3) -> it is the first graph
5 0
3 years ago
Read 2 more answers
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
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