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horsena [70]
3 years ago
5

Domain and range? Checking my work My answer: D:[-7,-1] R:[-6,-3]

Mathematics
1 answer:
Lemur [1.5K]3 years ago
4 0

Answer:

Correct numbers, wrong format

Step-by-step explanation:

Remember the figure is continuous so it should be written as an inequality:

D:(-7<x<-1)

R:(-6<x<-3)

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Hannah uses a store gift card to pay for 3 pair of pants priced at $27 each. What is the change in
kicyunya [14]

Answer:

If the gift card is $30 the remaining change is 3 dollars

5 0
4 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
You are making identical gift bags using 12 crayons and 28 bottles of bubbles. What is the greatest number of gift bags you can
const2013 [10]
Since you don't want any leftover items, you have to find the greatest common factor (GCF) of both the crayons and bubbles. Since the highest common factor for both 28 and 12 is 4, the greatest number of gift bags you can make without any leftover items would be 4 gift bags.

Hope I could help.
4 0
3 years ago
Can you help me? xy - 5 at x = 5, y = 2( pls show work)
r-ruslan [8.4K]

Answer:

5

Step-by-step explanation:

xy-5

plug in 5 for x and 2 for y

5*2-5

multiply

10-5

subtract

5

4 0
3 years ago
Read 2 more answers
How do u do this? HELPPPPPPPPPPPPPP
givi [52]
Bare with me a minute, I am still trying to figure it out. Here is what I have so far.

6 0
3 years ago
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