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Tpy6a [65]
3 years ago
13

Is the relation a function (0, 3), (4, 0), (8, 0), (4, -3), (-5, 8) ​

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
7 0

Answer:

hlo guys Gavin magnus here

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Renee is comparing the price of potting soil for her garden. Which store offers the lowest price for the soil?
olga55 [171]
A or E is the right answer
8 0
3 years ago
A real-estate company appraised the market value of 36 homes in Lyttelton and found that the sample mean and standard deviation
pantera1 [17]

Solution :

                    <u>Sample size</u>      <u> Sample mean</u>            <u> Sample S.D.</u>

Sample 1        $n_1=36$              $\bar{x}_1=150,000$               $s_1=17,000$

Sample 2       $n_2=45$              $\bar{x}_2=100,000$               $s_2=12,000$

$df = \frac{\left(\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}\right)^2}{\frac{1}{n_1-1}\left(\frac{s_1^2}{n_1}\right)^2+\frac{1}{n_2-1}\left(\frac{s_2^2}{n_2}\right)^2}$

   = 60

Therefore, significance level, α = 0.1

Critical value, t* = 1.6706

So, the margin of error, $t^*=\sqrt{\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}}$

                                          = 559.9896

Lower limit, $(\bar x_1-\bar x_2)-\text{(margin of error)}=44402.0104$

Upper limit,  $(\bar x_1-\bar x_2)+\text{(margin of error)}=55597.9896$

Therefore 90% C.I. is (44402.0104, 55597.9896)   or $44402.0104 < \mu_1 - \mu_2 < 55597.9896$

5 0
3 years ago
Solve equation -15+n= -9
Veronika [31]

Answer:

-6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Grace surveys moviegoers as they exit the theater and asks them to give the movie that they just saw a “thumbs-down” rating. She
pychu [463]

Answer:

1) 25/54 = 46%

2) 10/27 = 37%

3) 17/27 = 63%

4) 20/27 = 74%

5) 17/27 = 63%

6) 10/17 = 59%

Step-by-step explanation:

1) (50 male)/108 total) = 25/54

2) (40 thumbs down)/(108) = 10/27

3) (68 thumbs down or male) / (108) = 17/27

4) (80 thumbs down or female)/(108) = 20/27

5) (68 thumbs up)/(108) = 17/27

6) (40 thumb up female)/(68) = 10/17

7 0
3 years ago
Can somebody help me with my Algebra 2 hw
IrinaVladis [17]

Answer:

B

Step-by-step explanation:

if you look at it, it increases up to -4, and then it also decreases at -4 because it's the same line. I'm really bad at explaining so I'm sorry if this doesn't make sense.

5 0
3 years ago
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