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Alja [10]
2 years ago
6

-3z-1=7 what does z equal

Mathematics
2 answers:
Ivahew [28]2 years ago
7 0

Answer:

z = -2 I'm sorry if I'm wrong but it's the answer I got

Anna71 [15]2 years ago
3 0

Answer:

-8/3 or -2 2/3

Step-by-step explanation:

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When decreases in one variable are accompanied by decreases in another variable, the variables are described as?
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Directly proportional or positively correlated
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180 divided into two parts, one part will be 3 times the other part. What is the larger part
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2 years ago
How many solutions do the TWO equations have?
Nadya [2.5K]

Answer:

Below.

Step-by-step explanation:

15y + 12x = 18

5y + 4x = 6

The  second equations is the first times 3 so they are basically the same.

Infinite Solutions.

2x+ 3y= 12

-6y= 4x-24          Rearranging the second equation:

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So there are infinite solutions.

7 0
2 years ago
Are the following figures similar? Rectangles ABCD and EFGH are shown. AB equals 5. BC equals 25. EF equals 3. FG equals 15. Yes
Tatiana [17]

Answer:

Yes; the corresponding sides are proportional

Step-by-step explanation:

If two figures are similar, the lengths of their sides are proportional.  This means if we set up a proportion with the sides we are given and cross-multiply, we get a true statement at the end of it.

Using the similarity statement ABCD~EFGH, we will compare AB to EF and BC to FG:

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Cross multiply:

5(15) = 3(25)

75 = 75

We got a true statement, so the sides are proportional.

8 0
3 years ago
Read 2 more answers
Is the relation shown in the arrow diagram a function?
Irina-Kira [14]

Answer:

Yes. Every unique input has a unique output.

Step-by-step explanation:

Since every input has a different output, therefore it's a function. It's not a function when the input have more than 1 output. When graphing, make sure you take the vertical line test to see whether or not the graph is a function.

4 0
2 years ago
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