The chart describes four situations involving financial responsibility

Mathematics

1 answer:

vitfil [10]3 years ago

7 0

Well there is no chart and no choices but if its the same as mine it is hayden

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Cody has $7. He wants to

Temka [501]

<h3>Answer: (1,3)</h3>

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Explanation:

Note that the two shaded regions overlap to form the darker shaded region. The point (1,1) is only in the green region, but not in the blue region. It needs to be in both regions for it to be a solution to the system. In contrast, the point (1,3) is on the boundary of the blue region and in the green region as well. It's a solution point because of this.

Points on the boundary are included because of the "or equal to" as part of the inequality sign. Hence the solid boundary lines rather than dashed boundary lines.

The solution (1,3) means that x = 1 and y = 3 pair up together. It says that Cody can buy x = 1 hotdog and y = 3 packs of peanuts so that he has at least 4 snacks, and he stays within the $7 budget.

Going back to (x,y) = (1,1) for a moment, this isn't a solution because x+y = 1+1 = 2 is not 4 or larger. In other words, he only buys 2 snacks here instead of 4 or more.

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4 years ago

A study of one thousand teens found that the number of hours they spend on social networking sites each week is normally distrib

jek_recluse [69]

The z-value that corresponds to a two-tailed 95% confidence interval is z = +/- 1.96. Then the bounds of the confidence interval can be determined as:
Lower bound = mean - z*SD/sqrt(n) = 20 - 1.96*2/sqrt(100) = 20 - 0.12 = 19.88 hours
Upper bound = mean + z*SD/sqrt(n) = 20 + 1.96*2/sqrt(100) = 20 + 0.12 = 20.12 hours
So the first choice is the correct answer: 19.88-20.12 hours

7 0

3 years ago

PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B

OleMash [197]

Answer:

X=3

Step-by-step explanation:

Hope this helps and have a wonderful day!!!

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3 years ago

1.9 divided by 3 <br> Give all steps!;)

Roman55 [17]

The answer is: " $\frac{19}{30}$ " ;
or, write as: "0.63333333333..." ; or, round to: "0.6333" .
__________________________________________
Explanation:
__________________________________________
1.9 ÷ 3 = $\frac{1.9}{3}$ ;

= $\frac{1.9 * 10}{3 * 10}$ ;

= $\frac{19}{30}$
______________________
Write as: " $\frac{19}{30}$ " ;

or, using a calculator, write in "decimal form" ;

→ $\frac{19}{30}$ = 19 ÷ 30 = "<span>0.63333333333...." ;
</span>_______________________________________________________
The answer is: " $\frac{19}{30}$ " ;
or, write as: "0.63333333333..." ; or, round to: "<span>0.6333" .
</span>_______________________________________________________

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4 years ago

Based on the density graph below, what is the probability of a value in the sample space being anywhere from 10 to 25?

kompoz [17]

The answer should be 40% because thats the max the density goes

3 0

3 years ago