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Snowcat [4.5K]
2 years ago
8

Solve this and show your work or show me what website you used to solve please ​

Mathematics
2 answers:
BabaBlast [244]2 years ago
8 0

Answer:

the answer would be around -2 to -12 could be thw answer to this question

Firdavs [7]2 years ago
6 0
Since this is a piecewise function, we will want to find the right equation to use. We want to find f(2) so we will find the equation to use when x=2. This will be the third equation because it is -2<=x<=2. We then plug 2 into x^2 -2. This will give us (2^2)-2 = 4-2 = 2.
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Abigail, who works for a region's department of health, is looking for evidence that the percentage of adults in the region who
Murrr4er [49]

Answer: H_0: p\geq0.158\\\\ H_a:p

Step-by-step explanation:

Let p be the population proportion of adults who were surveyed are current smokers.

Given claim : Abigail, who works for a region's department of health, is looking for evidence that the percentage of adults in the region who are current smokers has decreased from 15.8% in 2015.

i.e. p

Since the alternative hypothesis takes unequal sign .

Then , the null and alternative hypotheses for this hypothesis test will be :_

H_0: p\geq0.158\\\\ H_a:p

8 0
3 years ago
US National forest cover approximately 300,000 square miles. conversationalist want the total square footage of forests to be 30
Sveta_85 [38]
E+10 is equivalent to 10^10 so, 9e+10 is equivalent to 9*10^10. 300,000^2 is 90000000000 square miles, where as the US has 4000000. Therefore, if the national forest were as large as the environmentalist wants them to be, the forest would be larger than the US, which is IMPOSSIBLE !!! As a result, this goal is not reasonable 
7 0
3 years ago
What is the angle that forms from the two vectors below? *<br> v= &lt;-12,5&gt;, w= &lt;3,-10&gt;
Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

3 0
2 years ago
20. What is the greatest prime factor of 3^7+6^6 ?
mario62 [17]

Answer:

67

Step-by-step explanation:

3^7 = 2187

6^6 = 46656

46656+2187=48843

Prime factors of 48843: 3, 3, 3, 3, 3, 3, 67

Factor tree:

48843

| \  

16281   3

| \  

5427   3

| \  

1809   3

| \  

603   3

| \  

201   3

| \  

67   3

3 0
2 years ago
A bag contains three marbles, eight blue marbles and nine red marbles. If the marbles are picked at random, what is the probabil
Phoenix [80]

The probability of obtaining two blue marbles without replacement is equal to 0.15.

We are given that:

The number of yellow marbles = 3

Number of red marbles = 9

Number of Blue marbles = 8

Total marbles = 3 + 9 + 8

Total marbles = 20

Now, we have to calculate the probability of obtaining two blue marbles without replacement.

The probability will be:

P( obtaining two blue marbles without replacement )  = 8 / 20 × 7 / 19

P( obtaining two blue marbles without replacement )  = 56 / 380

P( obtaining two blue marbles without replacement )  = 0.15

Therefore, the probability of obtaining two blue marbles without replacement is equal to 0.15.

Learn more about probability here:

brainly.com/question/24756209

#SPJ9

5 0
1 year ago
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