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zepelin [54]
2 years ago
6

Students in Ms. Singh's class had the following scores on their last quiz.

Mathematics
1 answer:
Svetllana [295]2 years ago
8 0
the median of her 20 students is 82.5
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What method would be the easiest to solve this equation?
Advocard [28]

Answer:

1, -6

Step-by-step explanation:

Easiest is just to factor

(x+1)(x-6)=0

7 0
3 years ago
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If the area of a rectangle is w^2 - 8w - 9, which of the following could be the side length of the rectangle?
lorasvet [3.4K]

Answer:

w+8 is the length of rectangle

8 0
3 years ago
In an examination 80% students passed. if 15 less have appeared and 10 less have passed, the ratio of passers to failures would
Nina [5.8K]

Answer:

60 students passed, and 75 appeared in examination.

Step-by-step explanation:

Let's say s is the total number of students and p is the number of students who passed.

80% of the students passed, so:

0.8 s = p

If there were 10 less passers, and 15 less students (5 less failures), then the ratio of passers to failures would be 5/1.

(p − 10) / (s − p − 5) = 5 / 1

Simplify the second equation:

p − 10 = 5 (s − p − 5)

p − 10 = 5s − 5p − 25

6p = 5s − 15

Substitute the first equation.

6 (0.8 s) = 5s − 15

4.8 s = 5s − 15

0.2 s = 15

s = 75

p = 0.8 s

p = 60

60 students passed, and 75 appeared in examination.

5 0
3 years ago
How do you simplify x^1/2 x^3/10 x^2/5/(x^2)^-1/2
shusha [124]

Answer:

the chinese microscpotic flu contains 1 ounce of our blood

jonony me superhero spidermam

Step-by-step explanation:

jonony me superhero spidermam

7 0
3 years ago
While watching a football game, Jordan decided to list yardage gained as positive integers and yardage lost as negative integers
koban [17]

Answer:

There is a loss of 2 yards.

Step-by-step explanation:

To find the overall gain or loss, we add or subtract there values.

Initially, we have 0 yards.

Records 14, so 0 + 14 = 14, that is, for now a gain of 14

Then loses 7, so 14 - 7 = 7, for now a gain of 7.

Then, 7 - 9 = - 2, so in all, there is a loss of 2 yards.

3 0
3 years ago
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