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Amanda [17]
3 years ago
12

Solve 12x-5>-2 please

Mathematics
1 answer:
Stells [14]3 years ago
8 0

Answer:

x >  \frac{1}{4}

Step-by-step explanation:

12x - 5 >  - 2

Lets add +5 in both the sides.

=  > 12x - 5 + 5 >  - 2 + 5

=  > 12x > 3

Now lets divide 12 on both the sides.

=  >  \frac{12x}{12}  >  \frac{3}{12}

=  > x >  \frac{1}{4}

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Solve the system of equations. 6x – 3y = 3 –2x + 6y = 14
Oxana [17]

Answer:

x=2; y=3

Step-by-step explanation:

You first add 3y to both sides. Divide both sides by 6. Then subsitute to get your answer.

6 0
3 years ago
Read 2 more answers
Electricity usage data consists of 45 months has a mean number of units consumed is 390.47 per month with a standard deviation o
neonofarm [45]

Answer:

The 95% confidence interval for the average monthly electricity consumed units is between 47.07 and 733.87

Step-by-step explanation:

We have the standard deviation for the sample. So we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 45 - 1 = 44

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 44 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.0141

The margin of error is:

M = T*s = 2.0141*170.5 = 343.4

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 390.47 - 343.40 = 47.07 units per month

The upper end of the interval is the sample mean added to M. So it is 390.47 + 343.40 = 733.87 units per month

The 95% confidence interval for the average monthly electricity consumed units is between 47.07 and 733.87

6 0
3 years ago
write an equation for a function at has a graph with the given characteristics. the shape of y=|x| is reflected across the y-axi
Luba_88 [7]
Refrection across the y-axis changes the function to y = |-x|.
Vertical stretch by a factor of 1.5 changes the graph to y = 1.5|-x|
Shifting the graph by 4 units downward changes the graph to y = 1.5|-x| - 4

Required equation is y = 1.5|-x| - 4
6 0
3 years ago
Find the interquartile range for the Dara set :10,3,8,6,9,12,13
goldfiish [28.3K]
Work

(3, 6, 8,) 9, (10, 12, 13)

The median is 9.

Q1 is 6

Q3 is 12

12 - 6 = 6

Answer

C.) 6
5 0
3 years ago
Read 2 more answers
A1=1 and an=5an-1 than find the value of a4​
Anna [14]

Answer:

in the sequence where a_n = 5a_{(n-1)} ,  a_4 = 125

Step-by-step explanation:

Here, given a_1 = 1, a_n = 5a_{(n-1)}

Now, the given  n = 4

So, now here:

a_2 = 5a_{(2-1)} = 5a_1  =5\times 1 = 5

⇒Second term of the sequence  = 5

Now, a_3 = 5a_{(3-1)} = 5a_2  =5\times 5 = 25

⇒Third  term of the sequence  = 25

Also, Now, a_4 = 5a_{(4-1)} = 5a_3  =5\times 25 = 125

⇒Forth  term of the sequence  = 125

Hence, in the sequence where a_n = 5a_{(n-1)} ,  a_4 = 125

8 0
3 years ago
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