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Naya [18.7K]
3 years ago
15

Help asap on all three thanks

Mathematics
1 answer:
mash [69]3 years ago
5 0

1. All negative numbers added together are still negative

2. There is a proof and a theorem for it.

3. If it is an animal, then it has fur

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3% simple annual interest paid on $250
podryga [215]

Answer:

1st one is (0.03)(250)

2nd one is $7.50

3rd one is $30.00

Step-by-step explanation:

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3 years ago
Each of five friends has between $3.50 and $4.25. Which could be the total amount of money the five friends have?
sleet_krkn [62]
The answer would be around $20
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I’m not sure how to solve “system of equations”
natka813 [3]

Hey there! :)

Answer:

(2, -2)

Step-by-step explanation:

-2x + y = -6

4x + 3y = 2

We can begin by setting the first equation equal to y:

-2x + y = -6

Add 2x to both sides:

y = 2x - 6

Plug this equation for y into the second equation:

4x + 3(2x - 6) = 2

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4x + 6x - 18 = 2

Combine like terms:

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Therefore, the solution is (2, -2)

7 0
3 years ago
The average weight of a medium size egg is found to be 3.2 oz, with a standard deviation of 0.13 oz. What is the heaviest egg (t
Over [174]

Answer:

We are 95% confident that the average weight of the heaviest egg that is still medium size is 3.52 oz

Step-by-step explanation:

Mean = 3.2 oz, sd = 0.13 oz

Assuming there are 3 heavy eggs, n= 3, degree of freedom = n-1 = 3-1 = 2, t-value corresponding to 2 degrees of freedom and 95% confidence level is 4.303

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B

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hope this helps, comment in you have a question :)

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3 years ago
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