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umka2103 [35]
3 years ago
12

How many solutions does the equation 6z - 3z - 7 = -2 + 3 have?

Mathematics
1 answer:
erik [133]3 years ago
6 0

Answer:

One

Step-by-step explanation:

6z - 3z - 7 = -2 + 3

Combine like terms

3z-7 = 1

Add 7 to each side

3z-7+7 = 1+7

3z=8

Divide each side by 3

3z/3 = 8/3

z = 8/3

There is one solution

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Mario’s company makes unusually shaped imitation gemstones. One gemstone has 14 faces and 10 vertices. How many edges does the g
Ivan
The gemstone has 22 edges.

We use Euler's formula on this:

F + V - E = 2

Substituting our information, we have:

14 + 10 - E = 2

Combining like terms, 
24 - E = 2

Subtract 24 from both sides:
24 - E - 24 = 2 - 24
-E = -22

Divide both sides by -1:
-E/-1 = -22/-1
E = 22
3 0
3 years ago
Help wanted and needed I’m not good at math
stealth61 [152]

Answer:

-  \frac{7}{8}

Step-by-step explanation:

Line d slope is 8/7, therefore the perpendicular is -7/8

8 0
3 years ago
Which of the following has a graph that is a straight line?
Amiraneli [1.4K]
y = 2x + 7 because it's a linear function.
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3 years ago
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den301095 [7]
18.84

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Assuming that pi is 3.14 in this case rather than the full pi or just in terms of pi.

Hope this helps!
8 0
3 years ago
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