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3 years ago

13

a store is having a sale, an item in the store is 1/6 off the original price. if the sale price is $160, what was the original p

rice ? show your work

1 answer:

melisa1 [442]3 years ago

3 0

Use units to visualise your workings. all the best! :)

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12. A scientist is observing a family of mice. There are four nice which are reproducing and doubling in number every month. Whi

Margaret [11]

Answer:

?

x = the number of months pass right

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2 years ago

Three of exterior angle of n-sided polygon are 50° each two of it's interior angle are 127° and 135° and the remaining interior

irga5000 [103]

Answer:

The value of n is 21.

Step-by-step explanation:

We are given that three of the exterior angle of the n-sided polygon are 50° each two of its interior angle are 127° and 135° and the remaining interior angle are 173 each.

As we know that the sum of all exterior angles of the polygon is 360°. Also, the number of remaining interior angles will be (n - 5).

And, the exterior angle = 180° - the interior angle.

So, according to the question;

$(3 \times 50) + (180-127) + (180 - 135) + (n - 5)\times (180-173) =360$

150 + 53 + 45 + 7(n - 5) = 360

248 + 7n - 35 = 360

213 + 7n = 360

7n = 360 - 213

7n = 147

n = $\frac{147}{7}$

n = 21

Hence, the value of n is 21 and this is a 21-sided polygon.

4 0

3 years ago

The use of social media has grown rapidly. According to one report, about 1.2 million users of social media via mobile devices w

slega [8]

Answer:

13.9 each sec

Step-by-step explanation:

There are 24hrs in one day and 1,440min in a day, and 86,400sec in a day. 1.2m per day, so 1,200,000/86,400= 13.9

6 0

3 years ago

You want to convert 1 Kilogram to milligrams. You already know that 1 kilogram = 1,000 grams. Explain how knowing hat 1 gram = 1

Alenkasestr [34]

The answer Is one million milligrams (tongue twister) to find this out you simply know that a kilogram is 1000 times a gram and a gram is a thousand times a milligram.
1000x1000= 1,000,000
Your welcome.
BRAINLIEST PLEASE

4 0

3 years ago

Can u please help me with this math assignment

Troyanec [42]

Hard to read sideways but what I got from that is that you have a right triangle and you are trying to explain the other angles?
Both of the other two angles would be 45 because an angle is 180 total. If it is a right angle, that means that there is a 90 degree angle. 180-90=90. In a right angle, the other two angles are the same in degree. Therefor 90/2 is 45. 45 applies to both of the acute angles. I hope this helps! Good luck :)

6 0

3 years ago