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DiKsa [7]
3 years ago
7

Help ASAP please :())))))))

Mathematics
1 answer:
Triss [41]3 years ago
8 0

Answer:

x,y, and z =38 degrees

Step-by-step explanation:

because the triangle is equilateral all the angles are the same

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What is the mean for this list of numbers? 19, 22, 24, 45
STALIN [3.7K]

Answer:

27.5

Step-by-step explanation:

To find the mean you basically just add all of the numbers then divide by how many there are.

So, for this problem, 19+22+24+45=110

110/4=27.5

Hope this helped!!

5 0
2 years ago
Is 3 1/2 an irrational number?​
Harrizon [31]

Answer:

yes

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Of 560 samples of seafood purchased from various kinds of food stores in different regions of a country and genetically compared
frutty [35]

Answer:

a) (0.5256,0.5944)  

c) Criticism is invalid

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 560

Proportion of mislabeled = 56%

\hat{p} = 0.56

a) 90% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.64

Putting the values, we get:

0.56\pm 1.64(\sqrt{\dfrac{0.56(1-0.56)}{560}}) = 0.56\pm 0.0344\\\\=(0.5256,0.5944)

b) Interpretation of confidence interval:

We are 90% confident that the true proportion of all seafood in the country that is mislabeled or misidentified is between 0.5256 and 0.5944 that is 52.56% and 59.44%.

c) Validity of criticism

Conditions for validity:

np > 10\\n(1-p)>10

Verification:

560\times 0.56 = 313.6>10\\560(1-0.56) = 246.4>10

Both the conditions are satisfied. This, the criticism is invalid.

8 0
3 years ago
\sqrt{2x^2+x+1}+\sqrt{x^2-x+1}=3x
djyliett [7]
X=1


Mark brainliest please


Hope this helps you
7 0
2 years ago
Last week, the daily low temperatures for a city, in degrees Celsius, were 5, 8, 6, 5, 10, 7, and 1. What was the average low te
ludmilkaskok [199]
The average low temperature would be 5+8+6+5+10+7+1 all divided by 7, so the answer is 6° celsius.
3 0
3 years ago
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