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Bumek [7]
3 years ago
10

PLEASE HELP ASAPP WRONG ANSWERS GET REPORTED GOOD ANSWERS GET BRAINLIEST, THANK YOU :)

Mathematics
1 answer:
Helen [10]3 years ago
7 0
(9) The correct Option is (C) 4, -3

Explanation:
The left hand limit is:
\lim_{x \to 2^-} f(x) = +4

+4 because the line(y=+4) is constant if limit approaches to 2 (from left side of the graph)


The right hand limit is:
\lim_{x \to 2^+} f(x) = -3

-3 because the line(y=-3) is constant if limit approaches to 2 (from the right side of the graph)

So the correct Option is (C) 4, -3

(10) The correct Option is (C) -4

Explanation:
\lim_{x \to 3^+} f(x) = -4

The plus sign in the limit indicates that it is the right hand limit. So we have to approach to 3 from the right side of the graph. When we do that, we see the constant line y = -4. Hence the correct option is (C)

NOTE: Although the question seems complex because there is slope involved but in this particular case, the examiner is concerned about the right hand limit. If she or he asks the left hand limit(3-minus) then we would take the slope-line.

P.S. Sorry for bit late reply! I thought somebody answered it already! :)
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PLS PLS PLS PLS HELP ASAP!! WILL MARK BRAINLIEST!
grandymaker [24]

Answer:

1. D

2. y = 15.50x + 450

Step-by-step explanation:

1. Since it is a function, the missing pair can't repeat input values with different output, therefore only option D is unique so is the correct choice.

2. x  > (y - 450)/ 15.50

i) Rita gets paid $450 per week.

ii) She gets $15.50 for every new membership she sells.

iii) let y represent the total pay per week.

iv) let x represent the number of new memberships sold.

v) the equation representing total pay is y = 15.50x + 450.

vii) therefore the equation that represents a higher rate of membership sold is given by  x  > (y - 450)/ 15.50

8 0
3 years ago
Brent has a $400 console with a credit card that has 25% APR is minimum payment is $10 per month will he pay more and less than
Afina-wow [57]

Answer:

he will pay more

Step-by-step explanation:

in totoal he will pay 413.40 because apr is interest

his interest total will be 13.40$

3 0
3 years ago
Jessie has successfully made 35 of her last 50 free throw attempts. Based on this information, what is the BEST calculation of t
Brrunno [24]

Answer:

C. 70%

Step-by-step explanation:

35 / 50 = 70/100 = 70%

So she will be 70% accurate in the next shot.

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

5 0
3 years ago
Which choice shows a translation
nata0808 [166]

Answer: did you forget the picture?

Step-by-step explanation: send the picture and i’ll try to help

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Read 2 more answers
Suppose the germination periods, in days, for grass seed are normally distributed. If the population standard deviation is 3 day
KatRina [158]

Answer:

The minimum sample size is needed to be 90% confident that the sample mean is within 1 day of the true population mean is 25.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.9}{2} = 0.05

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.05 = 0.95, so z = 1.645

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

If the population standard deviation is 3 days, what minimum sample size is needed to be 90% confident that the sample mean is within 1 day of the true population mean?

This is n when \sigma = 3, M = 1. So

M = z*\frac{\sigma}{\sqrt{n}}

1 = 1.645*\frac{3}{\sqrt{n}}

\sqrt{n} = 3*1.645

(\sqrt{n})^{2} = (3*1.645)^{2}

n = 24.3

Rouding up to the nearest integer, 25.

The minimum sample size is needed to be 90% confident that the sample mean is within 1 day of the true population mean is 25.

4 0
3 years ago
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