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sergeinik [125]
3 years ago
15

The math club decided to have a car wash to raise money for competition expenses. The graph below

Mathematics
1 answer:
g100num [7]3 years ago
5 0
Mr. Jones's prescription calls for 1.04 tablets per day. Based on this information, how many tablets should Mr. Jones take per day? a) 1.25 O b) 1.5 c) 1 O d) 2
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How many solutions does the equation -3(2x+5)=-15 have?
Mamont248 [21]

Answer:

Step-by-step explanation:

-3(2x+5)=-15

-6x-15= -15

-6x=0

No solutions

4 0
2 years ago
A job candidate at a large job fair can be classified as unacceptable, provisional, or acceptable. Based on past experience, a h
svp [43]

Answer:

chisquare = 31.667

degree of freedom = 2

Step-by-step explanation:

Formula for chisquare test =  (O-E)²/E

total number observations= 60 + 25 + 15 = 100                  

Estimated E,

80% x 100 = 80

15%x100 = 15

5% x 100 = 5

chisquare =

\frac{(60-80)^{2} }{80} +\frac{(25-15)^{2} }{15}+\frac{(15-5)^{2} }{5}\\

= 5 + 6.67 + 20

= 31.667

from the calculation above the value of the chisquare statistic = 31.67

the degree of freedom is the number of samples in the test  n - 1

= 3-1

= 2

I have solve this question also in a tabular form to aid understanding in the file i uploaded.

thank you and good luck!

4 0
3 years ago
Tom has 7 more silver dollars than Jimmy. Together they have a total of 71 silver dollars. How many silver dollars does Tom have
Eddi Din [679]
Tom has 39 silver dollars. You can do this on your head. Jimmy has 32, and Tom 39.
4 0
3 years ago
What is 136°=92°+6r+2°​
Lina20 [59]

What is being solved for is r.

136 = 92 + 6r + 2

136 - 92 - 2 = 6r

42 = 6r

r = 6

3 0
3 years ago
Suzanne ran 4.5 miles for the school fundraiser. She earned $2.40 per mile. How much money did she make?
pochemuha

Answer:

the answer is $10.

$2.40=1

n=4.5

= 4.5×2.40

=$10.80

7 0
3 years ago
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