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Alja [10]
3 years ago
15

2/3 of something = 90

Mathematics
1 answer:
AlexFokin [52]3 years ago
4 0

Answer:

60

Step-by-step explanation:

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Jeff answered all 25 questions on his chemistry test. For each right answer, he got 4 points and for each wrong answer he lost 2
timurjin [86]

Answer:

Jeff got 20 answers right.

Step-by-step explanation:

The maximum number of points Jeff can get is 100. (25 * 4) However, for each question he gets wrong, he's actually losing 6 points because he doesn't get the four points for getting right, and has the additional -2 points for getting it wrong. Since he only got a score of 70, that means he lost 30 points.

30/6 = 5. So he missed 5 question and got 20 question right.


5 0
3 years ago
The algebraic expression for​ "the quotient of 77 and​ x" is
Illusion [34]
The correct answer is:

_______________________
 "  77 / x " ;  or;  "x ÷ 77" .

_________________________
In algebra, the former is preferred; that is:  " 77 / x " .
7 0
3 years ago
PLEASE HELPPP IM DUM ITS EASY MATH
Leni [432]

Answer:

y = 3/2 x + 7

Step-by-step explanation:

Line intercept form =

Y = mx + b

m is the slope (rise over run) and b is the y intercept.

So what you want to first is get y by itself.

9x-6y = -42

-6y = -42 - 9x

y = 9/6 x + 7

y = 3/2 x + 7

8 0
2 years ago
Read 2 more answers
Please help soon- The weight of oranges growing in an orchard is normally distributed with a mean
Leya [2.2K]
5 oz. Hope this helped!
5 0
2 years ago
Given x=5 + √16 , select the value(s) of x. -11 1 9 21
Schach [20]

Answer:

The answers would be 9 and 1.

Step-by-step explanation:

x= 5±√16 can be separated into two equations.

x=5+√16 and x=5-√16

1. 5+√16 can be solved by simplify √16, which is 4. So then it would become   5+4 which equals 9.

2. 5-√16 can be solved by simplifying √16 which is 4. So then it would become 5-4 which equals 1.

So the values of x are 9 and 1.

6 0
3 years ago
Read 2 more answers
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