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3 years ago

Help please!!!!!.....

Mathematics

2 answers:

GarryVolchara [31]3 years ago

6 0

Answer:

294

Step-by-step explanation:

7*7*6=294

svetlana [45]3 years ago

4 0

L•w•h (length times width times height)
7•7•6
=49•6
=294

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A study reports that college students work, on average, between 4.63 and 12.63 hours a week, with confidence coefficient .95. Wh

leonid [27]

Answer:

Step-by-step explanation:

Confidence coefficient is also the confidence level. A confidence coefficient of 0.95 is the same as a confidence level of 95%.

Confidence level is used to express how confident we are that the population mean lies within the calculated confidence interval. It expresses the possibility of getting the same result if tests are repeated. Since the study reports that college students work, on average, between 4.63 and 12.63 hours a week, with confidence coefficient .95, then the true statement is

G. We are 95% confident that the population mean time that college students work is between 4.63 and 12.63 hours a week.

8 0

3 years ago

Help please im slow and dont feel like doing this lol

kolezko [41]

Answer:

The answer would be .39

Step-by-step explanation:

So first we have to know the eqation to finding the area of a semicircle, this would be:

2r x π ÷ 2 (r stands for radius)

Ok so since our diameter is 2 we need to divide that in half to find our radius which we would then get .5

And then you we would fill in the blanks and make our eqaution :

2 x 0.5 x 3.14 ÷ 2 which would give us the answer of .39

i have no idea if this is right so pls lmk!

3 0

2 years ago

Help it’s due tmr I can’t get a dt!

hichkok12 [17]

Answer:

Tisco

Step-by-step explanation:

T=1.65x4 is 6.6

A=1.36x5 is 6.8

6.8>6.6

sry if wrong

3 0

3 years ago

If (inserted image), then f(2)= A)1/3 B)1 C)7

Lubov Fominskaja [6]

Given : f(x) = 3x + 1

We get f(2) by substituting x = 2 in the given Function

⇒ f(2) = 3(2) + 1

⇒ f(2) = 6 + 1 = 7

Option C is the Answer

6 0

3 years ago

Drag each graph to show if the system of linear equations it represents will have no solutions, one solution at (2,6), one solut

hjlf

Answer:

see the explanation

Step-by-step explanation:

Verify each case

Part 1) The graph show two identical lines, then the system has infinitely many solutions

Part 2) The graph show two perpendicular lines.

Remember that the solution of the system is the intersection point both graphs

The intersection point is (2,6)

therefore

The system has one solution at (2,6)

Part 3) The graph show two intersecting lines at (-6,-2)

Remember that the solution of the system is the intersection point both graphs

The intersection point is (-6,-2)

therefore

The system has one solution at (-6,-2)

8 0

4 years ago