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Ivenika [448]
3 years ago
10

What is (6.5) squared​

Mathematics
2 answers:
charle [14.2K]3 years ago
8 0
Answer :
4.25


Step-by-step explanation :


Hope it helped you :)
Shkiper50 [21]3 years ago
4 0
The correct answer 42.25! Hope this helped please mark brainliest
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Is 2 , -5 a solution to this system equation 2x + 5y = -19, 6y - 8x = -54 .? Justify your answer
Andreas93 [3]
The easiest way to solve this problem is to put (2, -5) into both equations and see if it satisfies/works for both of them. 2 = x and -5 = y.

So for <span>2x + 5y = -19, 
</span><span>2(2) + 5(-5) = -19
4 - 25 = -19
-21 </span><span>≠ -19.

You can continue and try it out for </span><span>6y - 8x = -54 
6(-5) - 8(2) = -54
-30 - 16 = -54
-46</span> ≠ -54

But since (2, -5) already doesn't work for one equation, it cannot be a solution to the system of equations.
3 0
3 years ago
The table shows the relationship between the two variables. Which selection describes the relationship?
kobusy [5.1K]

Answer:

D.

Step-by-step explanation:

It's not linear but it is decreasing.

8 0
2 years ago
Read 2 more answers
Solve for x.<br> 6x - 3x = 12
expeople1 [14]

Answer:

x=4

Step-by-step explanation:

3x = 12

divide by 3

x =12/3

8 0
3 years ago
The weekly salaries of a sample of employees at the local bank are given in the table below. Employee Weekly Salary Anja $245 Ra
evablogger [386]

The variance for the data is  17,507. 5.

Given

The weekly salaries of a sample of employees at the local bank are given in the table below.

Employee Weekly Salary Anja $245 Raz $300 Natalie $325 Mic $465 Paul $100.

<h3>Variance</h3>

Variance is the expected value of the squared variation of a random variable from its mean value, in probability and statistics.

The mean value of the salaries of employees is;

\rm Mean= \dfrac{245+300+325+465+100}{5}\\\\Mean=287

The variance is given by;

\rm  Variance=\sqrt{\dfrac{(245-287)^2 +(300-287)^2 +(325-287)^2 +(465-287)^2 +(100-287)^2}{5-2}} \\\\Variance = 132.316}\\\\On \ Squaring \ both \ the \ sides\\\\Variance^2=17,507. 5

Hence, the variance for the data is  17,507. 5.

To know more about variance click the link given below.

brainly.com/question/7635845

7 0
2 years ago
You know 13 + 7 = 20. Therefore 13+ 7 + 2 = 20 + 2
omeli [17]

Answer: if 13+7+2=20+2 the property of equality is  A Subtraction Property of Equality.

Step-by-step explanation:

8 0
2 years ago
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