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IceJOKER [234]
3 years ago
11

Please help ASAP!!! Will give Brainly!!! What are the x-intercepts of the parabola?

Mathematics
2 answers:
BARSIC [14]3 years ago
7 0
Do you have a coordinate plane to help you ? Because that’s would help you more :)
svetoff [14.1K]3 years ago
6 0

Answer:

I think it's

4.5

5

0.4

0

0

5

4

maybe, maybe not.

Step-by-step explanation:

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A name brand cereal is on sale and costs $4.50 for an 18.2oz box. The great value brand version of the cereal costs $4.03 for a
KengaRu [80]

Answer:

You do 4.50 divided by 18.2 and that equals 0.25 cents Pero oz and then you do 4.03 divided by 13.1 which that equals 0.31 cents per oz which that would mean the name brand cereal that’s on sale cost less Per oz

6 0
3 years ago
Suppose that, after measuring the duration of many telephone calls, a telephone company found their data was well-approximated b
Musya8 [376]

Answer:

a) 7.79%

b) 67.03%

c) Cumulative Distribution Function

P(t) = \displaystyle\int^{\infty}_{-\infty} 0.1e^{-0.1t}~dt\\\\= \displaystyle\int^{b}_{a} 0.1e^{-0.1t}~dt, ~~a\leq t \leq b

Step-by-step explanation:

We are given the following in the question:

p(x) = 0.1 e^{-0.1x}

where x is the duration of a call, in minutes.

a) P( calls last between 2 and 3 minutes)

=\displaystyle\int^3_2 p(x)~ dx\\\\= \displaystyle\int^3_20.1e^{-0.1x}~dx\\\\=\Big[-e^{-0.1x}\Big]^3_2\\\\=-\Big[e^{-0.3}-e^{-0.2}\Big]\\\\= 0.0779\\=7.79\%

b) P(calls last 4 minutes or more)

=\displaystyle\int^{\infty}_4 p(x)~ dx\\\\= \displaystyle\int^{\infty}_40.1e^{-0.1x}~dx\\\\=\Big[-e^{-0.1x}\Big]^{\infty}_4\\\\=-\Big[e^{\infty}-e^{-0.4}\Big]\\\\=-(0- 0.6703)\\= 0.6703\\=67.03\%

c) cumulative distribution function

P(t) = \displaystyle\int^{\infty}_{-\infty} 0.1e^{-0.1t}~dt\\\\= \displaystyle\int^{b}_{a} 0.1e^{-0.1t}~dt, ~~a\leq t \leq b

6 0
3 years ago
What is the algebraic expression of one fourth of a number n?
dybincka [34]
1/4n I think I hope this is correct
5 0
3 years ago
2% percent of the stude
stepan [7]
14 would be how many kids have red hair
5 0
3 years ago
Read 2 more answers
Write the Riemann sum to find the area under the graph of the function f(x) = x4 from x = 5 to x = 7
galina1969 [7]

Answer:

x = 20

Step-by-step explanation:


7 0
3 years ago
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