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eduard
2 years ago
14

PLEASE HELP ASAP I WILL GIVE BRAINLILIST

Mathematics
1 answer:
adoni [48]2 years ago
7 0

Step-by-step explanation:

-3. 2

-2. 1

-7. 6

i did my best.

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FREE BRAINLIEST!! ill also answer questions that you have posted if you answer correctly!!!! (22pts)
GenaCL600 [577]

Answeri think its b lmk if im right or wrong :)

Step-by-step explanation:

8 0
3 years ago
A national survey showed that 44% of college students drink. A professor provided his own survey by choosing a random sample of
mamaluj [8]

Answer:

It is an unusual result contradicting the national survey.

Step-by-step explanation:

National survey showed 44% of college students who drink.

The professor's survey showed that 96/244 = 39% drink.

The professor's survey deviated from the national survey is 5% (44% - 39%) representing about 0.25% (5% squared) variance.

Standard deviation is the spread of a set of numbers from their mean.  In other words, it measures how far an observed value is from the mean. It can be calculated by getting the square root of the variance.

4 0
3 years ago
If ab= 1 , bc = -9, c =-b and c < -a, what is the value a + b ?
MaRussiya [10]
1/3+3

Ab=1
-b^²=-9
B=3
A=1/3
a+b=1/3+3


Mark brainliest please
7 0
2 years ago
One day Sally earned £60<br> She worked for 8 hours<br><br> Work out Sally’s hourly rate of pay?
Scrat [10]

Answer:

£7.50

Step-by-step explanation:

Hope this helps! If I could have brainliest I'm trying to rank up :)

5 0
3 years ago
Read 2 more answers
NEED HELP ASAP !!Write an equation of the line with :
Alex777 [14]

Answer:

3 = x

Step-by-step explanation:

Any value set to equal <em>x</em><em> </em>is considered an undefined <em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>].

I am joyous to assist you anytime.

8 0
3 years ago
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