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Marrrta [24]
3 years ago
8

Please help me, due soon ​

Mathematics
2 answers:
egoroff_w [7]3 years ago
7 0

Answer:

76

Step-by-step explanation:

so the first bit you don't even need its trying to trick you

first you do 72/6= 12 so that means for every 12 students, you need one tutor

then you do  120-72=48 and that means there are 48 students that have no tutor

to find out how much more tutors you need, do 48÷12= 4, meaning you need 4 extra tutors for the 48 more kids.

last you add 72 witch is the about of tutors you started with, to 4 witch is how much you just got.

72+4=76

Serjik [45]3 years ago
4 0

Answer:

10

Step-by-step explanation:

72 ÷ 6 = 12

120 ÷ 12 = 10

One tutor for every 12 students.

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How is the relationship between the regression line and the actual data point?
lapo4ka [179]

Answer:

Regression lines can be used to predict values within the given set of data, but should not be used to make predictions for values outside the set of data. The correlation coefficient r measures the strength of the linear association between x and y.

7 0
3 years ago
What is an estimate of 37.9% of 192.3?<br> A 57<br> B 02<br> C 80<br> D 100
lapo4ka [179]

Answer:

C.80

Step-by-step explanation:

37.9% of 192.3

=37.9/100 × 192.3

=0.379×192.3

=72.8817

≈80 (possible answer)

5 0
2 years ago
A survey found that the American family generates an average of 17.2 pounds of glass garbage trash each year. Assume the standar
SIZIF [17.4K]

Answer: 0.8137

Step-by-step explanation:

As per given , we have

\mu= 17.2\ ,\ \sigma=2.5

Sample size : n= 47

Let \overline{X} be the sample mean o.

Then, the probability that the mean of a sample of 47 families will be between 16.6 and 17.6 pounds will be :

P(16.6

=P(-1.645

[∵ z= \dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}]

=P(z

=0.8636793-(1- 0.9500151)  [By using p-value calculator]

=0.8636793-0.0499849=0.8136944\approx0.8137

Hence, the probability that the mean of a sample of 47 families will be between 16.6 and 17.6 pounds= 0.8137

6 0
4 years ago
Hiro thinks -5 = -5 is hiro thinking correct
stiv31 [10]
Yes because -5 does equal -5
4 0
3 years ago
Find the slope of the line that passes through (1, 2) and (2, 4).
Rainbow [258]

Answer:

2

Step-by-step explanation:

Y= mx +c

m is the gradient/slope

m = y2 - y1 / x2 - x1

m = 4-2 / 2-1

m = 2

6 0
3 years ago
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