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Snowcat [4.5K]
3 years ago
12

I don't get what it is asking me to do

Mathematics
1 answer:
Ksju [112]3 years ago
7 0
What you do here is you input 11 in as a value of x:
t=3n-7\\
t=3(11)-7\\
t= 33-7\\\\
t=26
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An MP3 player can hold 350 hours of music. Each song on an MP3 player is about 2.5 minutes in lenght. Abut how many songs can th
docker41 [41]
The MP3 player can hold up to 8,400 songs. If each song is 2.5 that means 24 songs in an hour. You would times 350 by 24 which gives you 8,400.
8 0
4 years ago
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Find the median and mean of the data which reflects the best measure of the center
galben [10]

Answer:

The mean reflects the best measure of the center

Step-by-step explanation:

12, 13, 13, 14, 21, 22, 23

Median: 14

Mean: 16.86

The mean reflects the best measure of the center

7 0
4 years ago
The lateral area of a cube is one hundred forty-four square kilometers. What is its side length?
myrzilka [38]
Lateral area is the total surface area. A cube has 6 faces.

Lateral area = 6x²

<span>6x² = 144
</span>
<span>x² = 144/6
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<span>x² = 24
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<span>x² = </span>√24

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8 0
3 years ago
For a sample of n = 30 scores, X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00. What are the values for the s
Ber [7]

Answer:

Sample mean = 30

Standard deviation = 10

Step-by-step explanation:

A system with two linear equations can be modeled with the information given in order to find the sample mean (M) and the standard deviation (s):

z=\frac{X-M}{s}\\\\1.50=\frac{45-M}{s} \\1.00=\frac{40-M}{s}

Solving the linear system:

40-M = \frac{45-M}{1.5}\\M=\frac{15}{0.5}\\M=30\\\\s=\frac{45-30}{1.5}\\s=10

The sample mean is 30 while the standard deviation is 10.

3 0
3 years ago
using the standard form ax^2+bx+c=0 of the given quadratic equation, factor the left hand side of the equation into two linear f
Galina-37 [17]

Answer:

See below

Step-by-step explanation:

Since you didn't give an actual quadratic equation and just the standard form equation, I will reduce ax^2+bx+c=0:

(ax+p)(x+q) where p+q=b and pq=c

5 0
3 years ago
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