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Radda [10]
3 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]3 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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2. A large aquarium in the shape of a rectangular prism has the follo
timurjin [86]

Answer: 38568 3/4

Step-by-step explanation:

Volume(V) = lwh

Where l=length;w=width;h=height

V = 50 * 25 1/2 * 30 1/4

V = 38,568 3/4 or 38,568.75

7 0
3 years ago
Read 2 more answers
7.Sabrina wants to deposit $3,066 into savings accounts at three different banks: Bank of the US,
sweet-ann [11.9K]

The amount Sheila deposits in the Bank of US saving account is $511.

Sabrina has a total of $3,066 she wants to deposit. She has three banks that she wants to deposit her money in.

Let, a represent the amount she would deposit she would invest 7/4 bank.

The amount invested in Catch bank = 6 x a = 6a

The amount invested in Bank of US = 20% x ( 6a + a)

= 0.2 x 7a

= 1.4a

The total amount invested in the three banks can be represented with this equation:

1.4a + a + 6a = 3066

In order to determine the amount she would save in the Bank of US, the amount deposited in 7/4 bank has to be determined first.

8.4a = 3066

a = $365

The amount deposited in the Bank of US = 1.4a

= 1.4 x 365

= $511

A similar question was answered here: brainly.com/question/2289204?referrer=searchResults

7 0
3 years ago
6x+14x+5=5(4x+1) what is x in this equation
andrew-mc [135]
Infinite many solutions
8 0
3 years ago
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What is the simplified expression for 6(2(y+x))?
koban [17]
It should be B I know how to do it
5 0
3 years ago
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Please Help! Which equation of a line of best-fit reflects a negative correlation?
Lisa [10]
Its the last one i think
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3 years ago
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