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IrinaK [193]
3 years ago
8

Randy has to pick two people to work with out of 15. How many different groups can he pick?

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
5 0
He can only pick 7 different groups because 2 times 7 is 14, and there are 15 people in all.

Hope this helps. c:
atroni [7]3 years ago
5 0
105 different groups without doubling
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2/5 ÷ 22/35 <br>simplify​
Sliva [168]

Answer:

7/11 (Simplified Already)

Step-by-step explanation: 25÷2235=?

Dividing two fractions is the same as multiplying the first fraction by the reciprocal (inverse) of the second fraction.

Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes

25×3522=?

For fraction multiplication, multiply the numerators and then multiply the denominators to get

2×355×22=70110

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 70 and 110 using

GCF(70,110) = 10

70÷10110÷10=711

Therefore:

25÷2235=711

Solution by Formulas

Apply the fractions formula for division, to

25÷2235

and solve

2×355×22

=70110

Reduce by dividing both the numerator and denominator by the Greatest Common Factor GCF(70,110) = 10

70÷10110÷10=711

Therefore:

2/5÷22/35=7/11

6 0
3 years ago
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mr_godi [17]
Perimeter = 2(10+20) = 60feet

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HELP I NEED HELP ASAP
tatiyna

Answer:

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Step-by-step explanation:

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RideAnS [48]

Answer: These sides are labeled in relation to an angle. The opposite side is across from a given angle. The adjacent side is the non-hypotenuse side that is next to a given angle.

Step-by-step explanation:

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