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Rina8888 [55]
3 years ago
13

Which expression is equivalent to 1/4x + 3 - 1/3x + (-2), A.) x+5, B.) 1/12x - 1, c.) x+1, d)1-1/12x

Mathematics
1 answer:
kati45 [8]3 years ago
3 0

The answer is d)1-1/12x

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Blood pressure values are often reported to the nearest 5 mmHg (100, 105, 110, etc.). The actual blood pressure values for nine
Paladinen [302]

Answer:

a) 117.4

b) 117.9

c) Option A)  When there is rounding or grouping, the median can be highly sensitive to small change

Step-by-step explanation:

We are given the following data set in the question:

108.6, 117.4, 128.4, 120.0, 103.7, 112.0, 98.3, 121.5, 123.2

Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}

n = 9

a) Median of the reported blood pressure values

Sorted Values: 98.3, 103.7, 108.6, 112.0, 117.4, 120.0, 121.5, 123.2, 128.4

Median =

\dfrac{9 + 1}{2}^{th}\text{ term} = 5^{th}\text{ term} = 117.4

b) New median of the reported values

Data: 108.6, 117.9, 128.4, 120.0, 103.7, 112.0, 98.3, 121.5, 123.2

Sorted Values: 98.3, 103.7, 108.6, 112.0, 117.9, 120.0, 121.5, 123.2, 128.4

New Median =

\dfrac{9 + 1}{2}^{th}\text{ term} = 5^{th}\text{ term} = 117.9

c) Since median is a position based descriptive statistics, a small change in values can bring a change in the median value as the order of the data may change.

Option A)  When there is rounding or grouping, the median can be highly sensitive to small change

7 0
3 years ago
Evaluate each expression<br><br> 5.12x - 7
galina1969 [7]

Answer:

answer is -35.84

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3 0
3 years ago
What is the greatest common factor of 60w, 36w2, and 24w4?
blsea [12.9K]

Answer: 12

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
3*(-4) really confuses need help
Arturiano [62]

Answer:

-12

Step-by-step explanation:

When you multiply a positive by a negative, the answer is always a negative. If you multiply two negatives, the answer is always positive. If you multiply 2 positives, the answer will always be positive.

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3 years ago
Sifa has $156 in the bank. He needs to have at least $400 for spending money on his trip. Write and solve an inequality to find
gregori [183]
Sifa needs to earn $244

Solution
400-156=244

Therefore, He needs to earn $244 more before his trip.
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