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charle [14.2K]
3 years ago
9

Please help me out with this question

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
6 0
It is not continuous at x=3
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How to do questions C and E ? Please help !!! <br> Thank You :)
mestny [16]
It is the right answer.
6 0
3 years ago
Fatima wants to add a 20% tip on a $56 restaurant bill.
NNADVOKAT [17]

Answer:

The answer is A) Round 56 to 60, find 10%, then double.

Step-by-step explanation:

You would round to 60 because 56 is closer to 60 than 50 then 10% is half of 20% so you would double it after you found 10% of 60.

Hope this helps :)

4 0
3 years ago
Read 2 more answers
Bottles of purified water are assumed to contain 250 milliliters of water. There is some variation from bottle to bottle because
marshall27 [118]

Answer:

We accept H₀ we don´t have evidence of differences between the information from the sample and the population mean

Step-by-step explanation:

From data and excel (or any statistics calculator) we get:

X = 249,6 ml         and       s  1,26 ml

Sample mean and sample standard deviation respectively.

Population mean  μ₀  = 250 ml

We have a normal distribution but we dont know the standard deviation of the population. Furthermore we have a two tails test since we are finding if the sample give us evidence of differences ( in both senses ) when we compare them with the amount of water spec ( 250 ml )

Our test hypothesis are: null hypothesis       H₀    X = μ₀

Alternative Hypothesis                                 Hₐ     X ≠ μ₀

We also know that sample size is 8  therefore df  =  8 - 1   df = 7 , with this value and the fact that we are required to test at α = 0,05 ( two tails test)

t = 2,365

Then we evaluate our interval:

X ± t* (s/√n)   ⇒   249,6 ±  2,365 * ( 1,26/√8 )

 249,6 ±  2,365 * (1,26/2,83)  ⇒ 249,6 ±  2,365 *0,45

249,6 ± 1,052

P [ 250,652 ; 248,548]

Then the population mean 250 is inside the interval, therefore we must accept that the bottles have being  fill withing the spec. We accept H₀

7 0
3 years ago
Given g(x)= g^-1 (2) would be???
dusya [7]
G(x) is the same as saying y = 

y = (2)
⁻¹             When an exponent is negative it is the same as the inverse of it

y = 1/2¹

y = 1/2
--or--
g(2) = 1/2
4 0
3 years ago
Read 2 more answers
Simplify completely 5x^ 3 +10x^ 2 +15x 5x . (2 points)
zimovet [89]

Answer:

X=10

See 15+15 = 30X

Then afterwards 2+3=5

Divide it

Then u get 10

So x=10

5 0
3 years ago
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