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Fiesta28 [93]
3 years ago
12

Jasmine works at the public library after school. She makes $7.00 per hour. She cannot work more than 15 hours per

Mathematics
1 answer:
sveta [45]3 years ago
3 0

Answer:

the answer is mx +B plus the quradratic formula

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Which of the following is not true about the standard error of a statistic?
aniked [119]

Answer:

Only option d is not true

Step-by-step explanation:

Given are four statements about standard errors and we have to find which is not true.

A. The standard error measures, roughly, the average difference between the statistic and the population parameter.

-- True because population parameter is mean and the statistic are the items.  Hence the differences average would be std error.

B. The standard error is the estimated standard deviation of the sampling distribution for the statistic.

-- True the sample statistic follows a distribution with standard error as std deviation

C. The standard error can never be a negative number. -- True because we consider only positive square root of variance as std error

D. The standard error increases as the sample size(s) increases

-- False.  Std error is inversely proportional to square root of n.  So when n  decreases std error increases

5 0
3 years ago
What is the solution of the system?
Serjik [45]

Answer:

(-13,-4)

Step-by-step explanation:

4x-8y=-20

9x+113=y

Substitute in y for 9x+113

4x-8y=-20

Substitute

4x-8(9x+113)=-20

Simplify

4x-72x-904=-20

Simplify

-68x-904=-20

Additive Prop. of Equality

-68x-904+904=-20+904

Simplify

-68x=884

Isolate the variable(x)

<u>-68x</u>=<u>884</u>

-68x -68x

Simplify

x=-13

Solve for y

9x+113=y

9(-13)+113=y

-117+113=y

-4=y

Check

4x-8y=-20

4(-13)-8(-4)=-20

-52+32=-20

-20=-20

9x+113=y

9(-13)+113=-4

-117+113=-4

-4=-4

8 0
3 years ago
Please answer the question in the picture
Svetlanka [38]

Answer:

Hey kid stop cheating XDDDDDDDDDDDDDDDDDDD

Step-by-step explanation:

3 0
2 years ago
Write in standard form. <br><br> a) 2 4 b) 10 3 c) 3 5 d) 7 3 e) 2 8 f) 4
adoni [48]

Answer:

2 4 2 8 3 7 3 10 4 hope it will work

7 0
3 years ago
Can anyone please help me? Please please, i need help.
Papessa [141]

Answer:


Step-by-step explanation:


3 0
3 years ago
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