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blanca04fp
17.02.2021 •
Mathematics
Please help me , I'm so confused ...
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Ответ:
E
Step-by-step explanation:
The fractions have the same denominator so all you have to do is add the numerator, retain the denominator, and add the whole number.
Ответ:
it is e 1 2/3 hours
Step-by-step explanation:
Ответ:
Answers:
where x and y are integers
==================================================
Explanation:
x = number of out-of-state students
y = number of in-state students
both x and y are integers (basically numbers that dont have a decimal portion)
Given fact 1: "They plan to accept two times as many in-state students as out-of-state"
Given fact 2: "they only have space to accept 200 out-of-state students"
Because of fact 1 above, we can say y = 2*x or y = 2x. Whatever the x value is, we multiply by 2 to get the y value.
Based on fact 2, we know that x cannot exceed 200. Put another way, the largest x can get is 200. So we write
. At the same time, x cannot be less than 0, so we also say
which is the same as ![0 \le x](/tpl/images/0369/0360/9bda6.png)
Combine
and
to form the compound inequality ![0 \le x \le 200](/tpl/images/0369/0360/72a3b.png)
------------
From here, multiply all three sides by 2 to get the following
which shows that the college will accept up to 400 new in-state students.