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Ksju [112]
3 years ago
5

What is (2/5 +1/5) - 3/10 ?

Mathematics
2 answers:
sleet_krkn [62]3 years ago
4 0
So 3/5 -3/10 so find common denominators so 10
6/10 -3/10
3/10 is your answer
Leno4ka [110]3 years ago
3 0

Answer:

3/10

Step-by-step explanation:

There is a app called Math papa and most of the time it helps me answer questions like these, 3/10 is what it should so hopefully it helps.

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Answer:

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3 years ago
one interior angle of a polygon is a right angle and each of the other interior angles is 126°. Calculate the number of sides of
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Answer:

There are 7 sides.

Step-by-step explanation:

Let's Use the formula that states that the sum of the angles of an n-sided polygon is given by.

S=(n−2)180

Since we are given that the two angles are right, the angles and each of the remaining angles is 144.

And Therefore, the sum is:

S=90

(n−2)144

(n−2)180

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⇒n−2=

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Hence, the polygon has 7 sides.

6 0
2 years ago
Read 2 more answers
Cell phone plan A costs 79 per month and comes with a free 500 phone. Cell phone plan B costs 50 per month but does not come wit
meriva

Answer: it will take 25 months

Step-by-step explanation:

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8 0
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Pani-rosa [81]

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1.5

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