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tankabanditka [31]
2 years ago
14

Customers arrive at an ice cream store at the rate of 15 per hour. The owner attempts to serve in a first-come, first-serve prio

rity. The mean time to serve a customer is 3 minutes. What is the probability of walking into the store and not having to wait?.
Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
7 0
The answer is 1/5 or 20% or .20
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Factor the polynomial:3x^3-x^2-15x+5
lina2011 [118]
(x^2-5)(3x-1)
Here's how I got this answer:
I found the GCF for each part of the polynomial.
3x^3 and -15x both contain 3x, and -x^2 and 5 share -1.
I then can divide the polynomial by 3x-1, and I get x^2-5
(Okay, that's not what I really did, but I can solve these on sight and don't remember the proper way to do it.)
6 0
3 years ago
Simplify 2x 2 - y for x = 3 and y = -2.<br><br> I got 20. Is this correct?
mina [271]

Answer: No it is in correct the answer is actually -x3 + 2x + y

Step-by-step explanation:

3 0
3 years ago
Ttriangle def is a dilation of triangle abc with scale factor 2. In triangle abc the largest angle measures 82 degree what is th
dybincka [34]

We have been given that triangle def is a dilation of triangle abc with scale factor 2. In triangle abc the largest angle measures 82 degree and we are asked to find largest angle measure of triangle def.

Since we know that dilation stretches or shrinks the original figure. Dilation does not change or affect angle measure.

Upon dilating our triangle abc by a scale factor of 2 sides of triangle will increase but angles will remain same.  

Therefore, largest angle measure of triangle def will be 82 degrees as well.

4 0
3 years ago
25-[2+5y-3(y+2)]=-3(2y-5)-[5(y-1)-3y+3]
masha68 [24]
25-[2+5y-3(y+2)]=-3(2y-5)-[5(y-1)-3y+3]  \\ 25-[2+5y-3y-6]=-6y+15-[5y-5-3y+3] \\ 25-2-5y+3y+6=-6y+15-5y+5+3y-3 \\ -2y+29=-8y+17 \\ 6y+29=17 \\ 6y=-12 \\ y=-2
Hope this helped :)
6 0
3 years ago
What is 7 subtract 14.1 add 23.471
Lera25 [3.4K]
The answer you your math problem is 16.371
7 0
3 years ago
Read 2 more answers
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