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eimsori [14]
3 years ago
7

Hello! :)

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
7 0

Answer:okay I’m pretty smart it is c the answer  is 4:)

Step-by-step explanation:

Helga [31]3 years ago
7 0
Answer choice d sorry if I late
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Traverion wants to find the answer to the question “How much money does the average college professor make?” He surveys 50 profe
Grace [21]

Answer: The results do not represent the population because the sample does not represent professors from different areas.


Step-by-step explanation:

Since Traverion wants to find the answer to the question “How much money does the average college professor make?”

He only surveys 50 professors from the university in his hometown.

Although he should survey professors from different areas but he only perform his survey only a specific university in his hometown.

Therefore, the survey is biased as the sample size is too small.

Hence, The results do not represent the population because the sample does not represent professors from different areas.

4 0
3 years ago
Read 2 more answers
Help please ASAP please I’ll mark you as brainlister
storchak [24]

Answer:

a = 4

Step-by-step explanation:

\sin(theta)  =  \frac{opposite}{hypotenuse}

\cos(theta)  =  \frac{adjacent}{hypotenuse}

\tan(theta)  =  \frac{opposite}{adjacent}

hypotenuse = a

opposite = 2√3

adjacent = b

theta = 60°

the best formula to use is the first formula cause we have all the values to substitute in it in order to find the value of a

\sin(60)  =  \frac{2 \sqrt{3} }{a}

\frac{2 \sqrt{3} }{ \sin(60) }  = a

4 = a

a = 4

4 0
3 years ago
Need help with math, Lol thank you! :)
attashe74 [19]
That would be A,   22/12 and 27/12
7 0
3 years ago
Read 2 more answers
Mr. Penn wants to buy pencils and erasers for the students in his class. If pencils come in packs of 20 and erasers in packs of
joja [24]
5 packs of erasers and 3 packs of pencils each will have 60
4 0
3 years ago
In Exercises 23–36, solve the system using either Gaussian elimina- tion with back-substitution or Gauss-Jordan elimination. 23.
Luba_88 [7]

Answer:

23) x= 3, y = 4

24) Any (x,y) values where x = 1.5 - 2y

Step-by-step explanation:

For the first system(23), it goes like this

[1 2 | 7]

[2 1 | 8]

We need to do L2 = L2 - 2L1, so now it is

[1 2   | 7]

[0 -3 |-6]

So, now we have:

-3y = -6 *(-1)

3y = 6

y = 2

x + 2y = 7

x + 4 = 7

x = 3

Now for system 24, we have:

[-1 2 | 1.5]

[2 -4| 3]

We do L2 = L2 + 2L1, so we have:

[-1 2 | 1.5]

[0 0| 0]

So there are infinite solutions for this system. The solution for this system will be each (x,y) pair where x = 1.5 - 2y.

5 0
3 years ago
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