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Vesna [10]
4 years ago
11

Explain why the negation of “Some students in my class use e-mail” is not “Some students in my class do not use e-mail”.

Mathematics
1 answer:
Olenka [21]4 years ago
6 0

Answer with Step-by-step explanation:

Since we have given that

Some students in my class use e-mail.

It is a type of 'E' statements.

Its negation should be No students in my class use e-mail.

Because if we use "Some students in my class do not use e-mail”.

It also implies some students in my class still use e-mail.

But negation contains only opposite of given statement.

So, Some students in my class do not use e-mail” is not true.

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Arisa [49]
Volume of the cone = 1/3π r^2 h
So, we are given that r = 9 and h = 12
plugging in all the known values 
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= 1017.36 cm³
or
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8 0
3 years ago
Kelly uses cruise control to drive at a constant speed. She travels first 192 miles in 3 hours. At the rate, how long will it ta
ioda

Answer:

Step-by-step explanation:

rate = d / t

rate = 192 / 3

rate = 64 miles / hour

Now you want to know how long it can take to get 448 miles

d = r * t

t = d / r

t = 448/64

t = 7 hours.

You could actually do it using proportions.

192/3 = 448/x                   Cross multiply

192*x = 448*3

192*x = 1344                    Divide by 192

x = 1344/192

x = 7

Do this the way you feel is the best way.

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2 years ago
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Get one x+y=3 to y=x+3 and plug it into x-y=1 and you get x-(x+3)=1. Destitute the x and solve. Once you get what x equals plug it to to either equation for the value of x and solve for y
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If you add 17 to an even number, the answer will be even.<br> OA. True<br> OB. False
Rama09 [41]

Answer:

the answer is false because it will always be a odd number

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1 year ago
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Answer:

x= √2 - 2 + √5-4√2, √2-2 - √5-4 √2



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