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Mrrafil [7]
2 years ago
15

When are x+3 and 3+x equal? When are they not equal?

Mathematics
1 answer:
Vlad1618 [11]2 years ago
3 0

Answer:

when x is any real number

Step-by-step explanation:

commutative property

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in an examination ,80%examines passed in English ,70%in mathematics and 60% in both subject if 45 examines failed in both find t
stiv31 [10]

Answer:

135 and 135

Step-by-step explanation:

The computation is shown below:

The number of examiners who passed in only one subject is as follows

=  n(E) - n(E ∩M) + n(M) - n(E ∩M)

= (80 - 60 + 70 - 60)%

= 30%

Now the number of students who passed in minimum one subject is

n(E∪M) = n(E) + n(M) -  n(E ∩M)

= 80 - + 70 - 60

= 90%

Now the number of students who failed in both subjects is

= 100 - 90%

= 10% of total students

= 45

So total number of students appeared for this 450

So, those who passed only one subject is

= 450 × 30%

= 135

Now the Number of students who failed in mathematics is

= 100% - Passed in Mathematics

= 100% - 70%

= 30% of 450

= 135

4 0
2 years ago
Tom is the deli manager at a grocery store. He needs to schedule employees to staff the deli department at least 260 person-hour
Finger [1]
The expression that could best describe the statement would be " 40 n + 20 \geq 260. 
3 0
3 years ago
Read 2 more answers
The angle of elevation to a nearby tree from a point on the ground is measured to be
jeka94

Answer:

34 degrees

Step-by-step explanation:

7 0
2 years ago
In point slope form: passes through (1, -3), slope = -1?​
sleet_krkn [62]

Answer:

y + 3 = -1(x-1)

Step-by-step explanation:

sub (1, -3) and slope = -1:

y - (-3) = -1(x - 1)

Topic: Coordinate Geometry

If you would like to venture further, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

5 0
3 years ago
HELP ME PLEASEEEE I WILL GIVE BRAINLIEST
UNO [17]

Answer: DE, EW WD

Step-by-step explanation:

It looks shortest to longest...i think its the best answer. good luck :>

6 0
2 years ago
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