2 years ago

when you look up every math question instead of using your brain Me:.....

Mathematics

1 answer:

lana66690 [7]2 years ago

5 0

Answer:

For real, Also, would you mind giving me brainliest?!

Step-by-step explanation:

Ty if u give me brainliest and ty for the points <3

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A sample of n = 4 scores has SS = 48. What is the estimated standard error for this sample? Group of answer choices

mylen [45]

Answer:

Step-by-step explanation:

We have

n = 4 scores

SS = 48

For this question, we are required to find the estimated standard error

To get this, we first solve for the variance

S² = SS/n-1

= 48/4-1

= 48/3

= 16

Then S² = 16

S = √16

S = 4

Then the estimated standard error is given by:

S/√n

= 4/√4

= 4/2

= 2.

The estimated standard error is 2.

4 0

2 years ago

6-3/4x+1/3=1/2 x+5<br> a.2<br> b.3<br> c.6<br> d.12

Gekata [30.6K]

6-3/4x+1/3=1/2x+5
6+1/3-5=1/2x+3/4x
4/3=5/4x
x=16/15

5 0

2 years ago

Helppp 5th grade mathbh

tatiyna

Twenty tables would be the answer

3 0

3 years ago

Read 2 more answers

Find the distance between the two points. (-4,-1) and (-39,-121)

REY [17]

The distance of the two points equals to

7 0

3 years ago

Read 2 more answers

A plane leaves airport A and travels 570 miles to airport B on a bearing of Upper N 32 degrees Upper E. The plane later leaves a

Karolina [17]

Answer:

769.46 miles

Step-by-step explanation:

Please have a look at the photo attached in this answer

The missing part of the angle is 32 degrees, so the total angle of B is:

32 + 73 = 105 degrees.

Let x is the distance from airport A to airport C to the nearest tenth of a mile, we use cosine law to find x:

$x^{2}$ = $570^{2} + 390^{2}$ - 2(570)(390)cos(105)

<=> $x^{2}$ = 592070

<=> x = $\sqrt{592070}$ = 769.46 miles

5 0

3 years ago

*when you look up every math question instead of using your brain* Me:.....

when you look up every math question instead of using your brain Me:.....