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Firlakuza [10]
3 years ago
13

What is 20 percent of 500

Mathematics
2 answers:
gayaneshka [121]3 years ago
7 0

Answer:

100

Step-by-step explanation:

20 percent of 500 = 0.20*500 = 100

Kisachek [45]3 years ago
6 0

Answer:

100

Step-by-step explanation:

20% * 500 = 0.2 * 500 = 1/5 * 500 = 100

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the temperature at the south pole was -39degree f at 8am. at 3pm it was 10degree f, by how many degrees did the temperature rise
natita [175]

Answer:

Step-by-step explanation: start at -39 degrees. You need to find how many degrees is between -39 and 10 degrees.

+39+10= 49 degrees risen

6 0
3 years ago
HELP PLEASE BE QUICK
In-s [12.5K]

Answer: it equals 20

Step-by-step explanation:

10 x 20 = 120, hoped this helped.

3 0
3 years ago
Read 2 more answers
Simplify x^2+xy-yx+y^2 + y^2+yz-zy+z^2 + z^2+zx-xz+x^2
Artemon [7]

Answer:

2x^2 + 2y^2 + 2z^2

Step-by-step explanation:

x^2+xy-yx+y^2 + y^2+yz-zy+z^2 + z^2+zx-xz+x^2

First step is to put all the same ones together

( FYI, xy and yx is the same thing, just like how

2 x 3 and 3 x 2 is the same thing) this time I'll bracket the groups to make it easier on the eyes

(x^2 +x^2) + (xy - xy) +( y^2 + y^2) + (yz - yz) +

(z^2 +z^2) + (zx - zx)

2x^2 + 2y^2 + 2z^2

All the others just cancel themselves out, for example, xy-xy

When anything minus themselves it will become 0

7 0
3 years ago
It has two what y equals so idk which one to solve or plug in(...I'm running out of points...)
Virty [35]
Just plug in one of the other (doesn't matter which one) so it will look like
-3x+6=5x+38
or
5x+38=-3x+6 (it's the same thing as the first one)
Then you solve for x and you substitute that value so you can get y.
Hope this helped :)
4 0
3 years ago
Read 2 more answers
Twenty-one crackers contain 147 Calories. Find the unit rate in Calories per cracker.
Leya [2.2K]

Answer The unit rate in calories per cracker is 7.

(I'll add explanation if needed)

I hope this helped! :)

6 0
3 years ago
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