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Zielflug [23.3K]
3 years ago
15

Which expression is equivalent to -3 (2m - 1) - n?

Mathematics
1 answer:
Semenov [28]3 years ago
7 0

Answer:

−6−m+3

Explanation

-3 (2m - 1) - n?

Distribute

−3(2−1)−

−6+3−

Rearange

−6+3−

−6−m+3

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Find the slope of the line that contains the points:
Semenov [28]

Answer:

slope is 1

Step-by-step explanation:

5-3/-4--6 = 2/2 = 1

5 0
2 years ago
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The average time an individual reads online national news reports is 49 minutes. Assume the standard deviation is 16 minutes and
Olin [163]

Answer:

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 49 minutes

Standard Deviation, σ = 16 minutes

We are given that the distribution of  time an individual reads is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(no more than 30 minutes)

P( x \leq 610) = P( z \leq \displaystyle\frac{30 - 49}{16}) = P(z \leq -1.1875)

Calculation the value from standard normal z table, we have,  

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3 0
2 years ago
Solve
padilas [110]

Answer:

$160

Step-by-step explanation:

5 0
3 years ago
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What is the midpoint of the line segment
Karo-lina-s [1.5K]

Answer:

The answer to your question is (-1, -1)

Step-by-step explanation:

Data

A (1, -6)

B (-3, 4)

Formula

Xm = \frac{x1 + x2}{2}

Ym = \frac{y1 + y2}{2}

Process

1.- Substitute the values in the formula

x1 = 1   x2 = -3

Xm = \frac{1 - 3}{2} = \frac{-2}{2} = -1

y1 = -6   y2 = 4

Ym = \frac{-6 + 4}{2} = \frac{-2}{2} = -1

2.- The midpoint is  (-1, -1)

5 0
3 years ago
Need help on part B and D
Lyrx [107]
I don't know what part D is asking but the answer to part c is 32(4)x8=258
8 0
2 years ago
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