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dolphi86 [110]
3 years ago
7

How many sides does a regular polygon have that has an angle of rotation equal to 18 degrees.

Mathematics
1 answer:
Darina [25.2K]3 years ago
3 0
\frac{360}{18}=\\20

20 sides.
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A sandwich decrease from $8 to $6 what is the percentage decrease
kati45 [8]

Answer:

25%

Step-by-step explanation:

First find the difference in price= $8-$6 = $2

Now, find percentage decrease in the price of sandwich.

Percentage decrease= (difference in price/ original price) *100

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                                   =\frac{200}{8}

Percentage decrease=25%

                                                   

4 0
3 years ago
To add matrices add, ______________<br> entries. <br><br> A) corresponding<br><br> B) alternating
brilliants [131]
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3 years ago
How much is 4 (x+3)=16​
Radda [10]

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Graph each equation.<br><br> y=-2x-1 <br><br> help please
yan [13]
You can graph that by looking at the y-intercept first. That's where you start to put a point in the coordinate plane or graph.

So go down 1 below 0.

Next, look at the slope.
We know that y = -2x - 1 is in slope intercept form (y = mx+b)
So -2 is our slope. It will be -2/1 because we need a fraction to graph the rise over run and all whole numbers can be a fraction by making 1 as their denominator.

Look at the attachment. 

Starting from -1 (y-intercept), go down 2 (-2) then right 1 (1).
To complete the line above, keep the same value and reverse their sign/symbol. So -2/1 will be 2/-1. It goes up 2 then left 1.

I hope you understand and find this answer the most helpful! :)

8 0
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Please help me! thank you so much if you do! i highly appreciate it!!!
Len [333]

Answer:

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a. Next to saturated fats it says 20%

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c. 1000 divided by 130 is 7.69 rounded is 7.7

Hope this helps!

6 0
3 years ago
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