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kipiarov [429]
3 years ago
6

nathan mother drives him to school it takes 1/5 hour when Nathan walks to school it takes him 4 times as long to get to school h

ow long does it take Nathan to walk to school
Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
8 0
60 divided my 5 is 12 so 1/5 of an hour is 12 minutes and 12 multiplied by 4 is 48 so it takes him 48 minutes to walk to school.
Gnesinka [82]3 years ago
5 0
It takes him 4/5 of an hour.
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Pattern:
Radda [10]

Answer:

Sue is correct

Step-by-step explanation:

because of the simple fact that the numbers are increasing and not decreasing so why would they do 8n-6

8 0
3 years ago
Find the minimum and maximum possible areas for a rectangle measuring 4.15 cm by 7.34 cm. Round to the nearest hundredth. A. min
Shalnov [3]

This is probably in the context of a discussion of significant figures and accuracy.

When we record a measurement of 4.15 cm with two significant figures, that means we believe the exact value is in the range from 4.145 cm to  41.155 cm

Similarly 7.34 really means between 7.335 and 7.345 cm.

The minimum area rectangle is 

4.145 \times 7.335 = 30.403575 \approx 30.40

The maximum area rectangle is

4.155 \times 7.345 =30.518475 \approx 30.52

Choice A


5 0
3 years ago
Read 2 more answers
12. The graph of a roller coaster track goes in a straight line through
grigory [225]

Answer:

12=(10, 54)+(42, 48)-12feet

Step-by-step explanation:

math teacher

8 0
3 years ago
Pls help me and thank ya!!
algol13

Answer:

Option 1

Step-by-step explanation:

Rational numbers do not have infinite decimals.

Option 1:

-5, 3/4 and √49 are all rational. Correct

√49 = 7

3/4 = 0.75

-5 = -5

Option 2:

1/4 = 0.25

5 = 5

√12 = 3.4641...

Incorrect

Option 3:

-1/2 = -0.5

-3 = -3

√8 = 2.82841...

Incorrect

Option 4:

1/7 = 0.142857...

9 = 9

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Incorrect

5 0
3 years ago
The following table shows the​ weights, in hundreds of​ pounds, for six selected cars. Also shown is the corresponding fuel​ eff
Reika [66]

Answer:

Step-by-step explanation:

Given is a table showing  the​ weights, in hundreds of​ pounds, for six selected cars. Also shown is the corresponding fuel​ efficiency, in miles per gallon​ (mpg), for the car in city driving.

Weight Fuel eff. x^2 xy y^2

X Y    

28 20 784 560 400

3 22 9 66 484

35 19 1225 665 361

32 22 1024 704 484

30 23 900 690 529

29 21 841 609 441

     

Mean 26.16666667 21.16666667 797.1666667 549 449.8333333

     

Variance   112.4722222  1.805555556

Covariance -553.8611111    

     

     

r -0.341120235    

Correlaton coefficient =cov (xy)/S_x S_y

Covariance (x,y) = E(xy)-E(x)E(y)

The correlation coefficient between the weight of a car and the fuel efficiency is -0.341

8 0
3 years ago
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