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Sergio039 [100]
3 years ago
9

I need help with “B”

Mathematics
1 answer:
enot [183]3 years ago
4 0

Answer: 60x66,666 and 3999960

Step-by-step explanation:

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7) A real number that is less than zero. These represent opposites.
enot [183]

Answer:

A negative number

Step-by-step explanation:

I know this is right. Negative numbers represent opposites. If positive represents a movement to the right, negative represents a movement to the left.In the context of negative numbers, a number that is greater than zero is referred to as positive. Thus every real number other than zero is either positive or negative, while zero itself is not considered to have a sign. Positive numbers are sometimes written with a plus sign in front, e.g. +3 denotes a positive three.

3 0
3 years ago
Read 2 more answers
Use the standard norml distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justif
dalvyx [7]

Answer:

E) we will use t- distribution because is un-known,n<30

the confidence interval is (0.0338,0.0392)

Step-by-step explanation:

<u>Step:-1</u>

Given sample size is n = 23<30 mortgage institutions

The mean interest rate 'x' = 0.0365

The standard deviation 'S' = 0.0046

the degree of freedom = n-1 = 23-1=22

99% of confidence intervals t_{0.01} =2.82  (from tabulated value).

The mean value = 0.0365

x±t_{0.01} \frac{S}{\sqrt{n-1} }

0.0365±2.82 \frac{0.0046}{\sqrt{23-1} }

0.0365±2.82 \frac{0.0046}{\sqrt{22} }

0.0365±2.82 \frac{0.0046}{4.690 }

using calculator

0.0365±0.00276

Confidence interval is

(0.0365-0.00276,0.0365+0.00276)

(0.0338,0.0392)

the mean value is lies between in this confidence interval

(0.0338,0.0392).

<u>Answer:-</u>

<u>using t- distribution because is unknown,n<30,and the interest rates are not normally distributed.</u>

4 0
3 years ago
3 movie tickets cost $48. At this rate, what is the cost of 15 movie tickets
Snowcat [4.5K]

Answer:

The total of the 15 tickets would be $240

Step-by-step explanation:

If you divide 48 and 3 you get 16 which is the cost for each ticket and then yuo multiply 16 by 15 and you get 240

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3 years ago
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To ship a package, a shipping company charges $2.74 for each pound. How much would it cost to ship a 6.7-pound package?
Olin [163]
I'm pretty sure this would be 18.358
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3 years ago
HELPP FASTT WILL GIVE BRAINLIEST ANSWER AND THANKS!!!!!!
qaws [65]
Y>2 is the 1st one. x>-4 is the 3rd one. Write the inequality. 1. 3, 2. 3
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