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Radda [10]
2 years ago
5

Scientists want to estimate the mean weight gain of mice after they have been fed a special diet. From previous studies, it is k

nown that the weight gain is normally distributed with standard deviation 2 grams. How many mice must be weighed so that a 99% confidence interval for population mean weight will have a margin of error of 0.4 grams
Mathematics
1 answer:
USPshnik [31]2 years ago
8 0

Answer:

One example is the equation:

2x + 6 = 4x/2 + 12/2

To solve this, we need to transpose like terms to the same side.

2x - 4x/2 = 12/2 - 6

2x - 2x = 6 - 6

0 = 0

Since both sides are zero, it means that the equation has infinite number of solutions.

Step-by-step explanation:

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Factor −1/4 out of −1/2x−5/4y..ㅤ
hammer [34]

Answer:

  • - 1/4 (2x + 5y)

Step-by-step explanation:

Divide each term by - 1/4 first

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  • -5/4y ÷ (- 1/4) = 5/4y × 4 = 5y

Now facor out - 1/4

  • - 1/2x - 5/4y =
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3 0
2 years ago
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Mnenie [13.5K]

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E

Step-by-step explanation:

4 0
3 years ago
What is the value of x?? ​
Fudgin [204]

Answer:

x + 5 = 5×

7x - 5 = 2x

5x + 2x + x = 180

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8 8

x = 22.5

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2 years ago
What are a domain and range?
Nikolay [14]

Answer:

The domain and range of function is the set of all possible inputs and outputs of a function respectively.

The domain and range of a function y = f (x) is given as domain= {x ,x∈R }, range= {f (x), x∈Domain}.

The domain and range of any function can be found algebraically or graphically.

5 0
2 years ago
I'll mark as Brainliest, Please answer ASAP, Ihave MCAS tomorrow. How could this be true?? Please Explain.​
iragen [17]

Answer:

D

Step-by-step explanation:

Put  m+2  in place of 'x'

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   m^2   + 4m + 5

8 0
2 years ago
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