Need help if anything can show me how to do it in steps !
1 answer:
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1.
An expression of the form
is called a "compound fraction"
Compound fractions can be written as simple fractions by multiplying c to a, and then adding the product to c as follows:
for example,
can be written as:
2.
when we subtract or add a fraction
from an integer k,
we first write k as a fraction with denominator n. We can do this as follows:
for example, if we want to subtract
from 8,
we first write 8 as a fraction with denominator 2:
3.
Thus,
4.
The simple fraction 7/2 is not an option, so we write it as a compound fraction as follows:
(So write 7 as the sum of the largest multiple of 2, smaller than 7 + what is left. In our case these numbers are 6 and 1, then proceed as shown)
5. Answer: D
An expression of the form
Compound fractions can be written as simple fractions by multiplying c to a, and then adding the product to c as follows:
for example,
2.
when we subtract or add a fraction
we first write k as a fraction with denominator n. We can do this as follows:
for example, if we want to subtract
we first write 8 as a fraction with denominator 2:
3.
Thus,
4.
The simple fraction 7/2 is not an option, so we write it as a compound fraction as follows:
(So write 7 as the sum of the largest multiple of 2, smaller than 7 + what is left. In our case these numbers are 6 and 1, then proceed as shown)
5. Answer: D
Answer: C) All real values of x such that
In other words, x must be 0 or smaller.
===================================================
Explanation:
The reason why is because we must make the stuff under the square root to never be negative. We must make -2x be 0 or larger.
So,
As an example, if x = -2, then -2x = -2(-2) = 4 is positive. Applying the square root to a positive number is valid.
But if x = 5, then -2x = -2*5 = -10 is under the square root, which is not allowed.
If 
of students were juniors and seniors that leaves the 36 sophomores to be 
or 
of attendees. I got by converting 
and adding it to 
.
Now if 36 is of the equation that means theirs at least 36 juniors and seniors.
Lets start with seniors. there should be just over 36 of them there. Lets start by multiplying 36 by to figure out how many 
is.
The equation would look like this 36*(3/12)
start with 3/12. this equals .25 or.
Now multiply 36 by .25. this equals 9.
We have 9 students per of the attendees.
To get the amount of seniors add 9 to 36
because we already stated is 36.
36+9=45
Now to find the juniors add another 9 to create.
45+9=54
In total you have:
36 sophomores
54 juniors
45 seniors
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Now if 36 is
Lets start with seniors. there should be just over 36 of them there. Lets start by multiplying 36 by
The equation would look like this 36*(3/12)
start with 3/12. this equals .25 or
Now multiply 36 by .25. this equals 9.
We have 9 students per
To get the amount of seniors add 9 to 36
36+9=45
Now to find the juniors add another 9 to create
45+9=54
In total you have:
36 sophomores
54 juniors
45 seniors
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