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JulsSmile [24]
3 years ago
7

#2 only And it's to confusing

Mathematics
1 answer:
ipn [44]3 years ago
5 0
They are easy to compare if they all have the same common denominator, then you can easily order them by the magnitude of the numerators...

85/10, -67/10, -56/10, 82/10  so now they are easy to compare...so

-6.7, -28/5, 8.2, 17/2
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Earl runs 75 meters in 30 seconds. How many meters does Earl run per seconds?
nikdorinn [45]
75 metres 30 sec
5/2 metres a sec
2.5 metres a sec
3 0
3 years ago
Which of the following are operations in the algebra of sets?
postnew [5]

Answer:

Union and Intersection

Step-by-step explanation:

We know that the algebra of sets define the properties and laws of the sets.

The basic operations of sets are,

Union, Intersection, Complement of a set and Equality of sets.

Since, the operations addition, subtraction, multiplication and division are the basic arithmetic operations of numbers.

i.e. they are not in the algebra of sets.

So, we get that out of the given options, the operations in algebra of sets are Union and Intersection.

7 0
3 years ago
Erika worked 14 hours last week and 20 hours this week. If she earns $9 per hour, how much did she earn these two weeks?
kondor19780726 [428]
If you add 14 and 20 youll get her total amount of hours then you multiply her hours by 9 and your answer is 306%

7 0
3 years ago
Read 2 more answers
If the numerator and the numerator of a fraction are subtracted 1, the resulting fraction is 2/3, if the resulting fraction is i
tino4ka555 [31]

Answer:

Simplify the expression.

Exact Form:

1 /2

Decimal Form:

0.5

8 0
3 years ago
Read 2 more answers
Carl ran around the track 3 more times than Daria and 2 fewer times than Erin. When they were done they added up the number of l
Paul [167]

Answer:

Total laps = 10d

Step-by-step explanation:

Let c = Carl's laps

d = Daria's laps

e = Erin's laps

c = 3d

c = e/2

c + d + e = totals laps

We can insert 3d in place of c in the third equation

3d + d + e = total laps

Also, e/2 equals 3d

e/2 = 3d

Multiply both sides by 2

(e/2 = 3d)2

e = 6d

Insert the new e

3d + d + 6d = 10d = totals laps

3 0
2 years ago
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