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BaLLatris [955]
3 years ago
8

The number of​ _______ for a collection of sample data is the number of sample values that can vary after certain restrictions h

ave been imposed on all data values.
Mathematics
1 answer:
NISA [10]3 years ago
8 0

Answer:

Degrees of freedom

Step-by-step explanation:

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Kareem and Kira each opened a savings account today. Kareem opened his account with a starting amount of $770, and he is going t
allochka39001 [22]

Answer:

Step-by-step explanation:

The question is not complete, i think the correct question is:

Kareem and Kira each opened a savings account today. Kareem opened his account with a starting amount of $770, and he is going to deposit $30 per month. Kira opened her account with a starting amount of $935, and she is going to deposit $45 per month. Let x be the number of months after today

Let us assume that each acre of land on Mars cost $107.

a) For Kareem account, she started with $770 and would deposit $30 per month. Let y represent the money deposited after x month. This can be represented by the equation:

y = 770 + 30x

Since each acre cost $107, 10 acre would cost $1070. Therefore $1070 is needed to be saved. To find the number of months, substitute y = 1070 and solve. Therefore:

1070 = 770 + 30x

1070 - 770 = 30x

30 x = 300

x = 300/30

x = 10

It would take 10 months for Kareem to buy 10 acres of land

b) For Kira account, she started with $935 and would deposit $45 per month. This can be represented by the equation:

y = 935 + 45x

Since each acre cost $107, 10 acre would cost $1070. Therefore $1070 is needed to be saved. To find the number of months, substitute y = 1070 and solve. Therefore:

1070 = 935 + 45x

1070 - 935 = 45x

45 x = 135

x = 3

It would take 3 months for Kira to buy 10 acres of land

4 0
4 years ago
1) Twice a number decreased by four is 32.<br> What is the number?
jeyben [28]

Answer:

6

Step-by-step explanation:

7 0
3 years ago
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Classify the following expression by degree and term: x2y − 7xy + xyz + x
goldfiish [28.3K]
3rd degree polynomial with 4 terms
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Anyone knows the answer ?
yan [13]

Answer:

yes

Step-by-step explanation:

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3 years ago
Find the 15th term in the following<br> arithmetic sequence :<br> 1, 6, 11, 16,
Sunny_sXe [5.5K]

Answer:

71

Step-by-step explanation:

This arithmetic sequence starts at 1 and increases by 5 every time. The formula for this sequence could be expressed as A(n) = 1 + 5(n-1).

Since you're finding the 15th term, substitute n = 15 into the formula.

A(15) = 1 + 5((15)-1) = 1 + 5(14) = 1 + 70 = 71

6 0
3 years ago
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