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Andrej [43]
3 years ago
14

The table shows a relationship between the numbers in the left and right columns.

Mathematics
1 answer:
vesna_86 [32]3 years ago
3 0
X+3
Each number in the right column is 3 more than the value in the corresponding left column.
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What would be the value of x in x+5=-3x-9
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-3 because it shows the value right there
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3 years ago
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HURRY WILL MARK YOU BRAINLIEST RIGHT ANSWER ONLY
Tamiku [17]

Answer:a)EF congruent to QR

Step-by-step explanation:

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3 years ago
A store is selling two mixtures of coffee beans in one-pound bags. The first mixture has 12 ounces of Sumatra combined with 4 ou
ololo11 [35]
We let x as the cost of one ounce of Sumatra and y as the cost of one ounce of Celebes Kalossi. For mixture 1, we have 12x + 4y = 32 and for mixture b, we have 4x + 12y = 40

First, Multiply eq. 1 by 4
4(12x + 4y = 32)4        ⇒    36x + 12y = 96

We now have 
(36x + 12y = 96) – (4x + 12y = 40)
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Substitute x to either equation to get the value of y
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8 0
3 years ago
The following data show the midterm and final exam scores in an English writing class. Student 1 2 3 4 5 6 7 8 9 10 11 12 Midter
tester [92]

Answer:

The co variance of the midterm and final exam scores is 58.76.

Step-by-step explanation:

The formula to compute the sample co variance is:

Cov(x,y)=\frac{\sum(X-Mean\ of\ X)(Y-Mean\ of\ Y)}{n-1}

The values are computed in the table below.

Compute the co variance as follows:

Cov(x,y)=\frac{\sum(X-Mean\ of\ X)(Y-Mean\ of\ Y)}{n-1}\\=\frac{646.33}{12-1}\\ =58.76

Thus, the co variance of the midterm and final exam scores is 58.76.

7 0
3 years ago
A consistent, independent system of equations is a system with __________.
Dafna1 [17]

A consistent , independent system of equation is one that has at least one solution.It is independent because it has a single solution.

Step-by-step explanation:

The three types of systems of linear equations in two variables and three types of solutions.

An independent  system has exactly one solution pair (x,y). The point of intersection presents the single solution.

An inconsistent system has no solution.such equations will produce two parallel lines with no solution.

A dependent system has infinitely many solution.Such lines are coincident.

Learn More

Equations: brainly.com/question/2595790

Keyword : consistent, independent , equations

#LearnwithBrainly

4 0
3 years ago
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