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igor_vitrenko [27]
3 years ago
8

The box plots below show student grades on the most recent exam compared to overall grades in the class:

Mathematics
1 answer:
ANTONII [103]3 years ago
3 0

Answer:

1)  The class and exam medians are almost the same.

Step-by-step explanation:

1) According to the given data (box-plot) the median of Class is 84 and median of Exam is 85.

Thus, the medians of both class and exam are almost same.

Hence, this is the correct option.

2) Since the median of Class is 84 and median of Exam is 85, Thus, we can't say median of exam is much high than median of class.

Hence, this option is not correct.

3) Since Q3 of Class is 89 and Q3 of exam is 94, which is not equal.

Hence, this option is also not correct.

4) Since the median of Class is 84 and median of Exam is 85, Thus, median of exam is not lower than median of Class.

Hence, this option is also not correct.

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zhannawk [14.2K]

Answer:

y2-y1, x2-x1

Step-by-step explanation:

4-(-5)= 4-(-8)

4+5=4+8

9=12

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3 0
2 years ago
For what values of x is the trinomial 2x^2-x+55 equal to the square of binomial x+5
jeka94

Answer:

x = 6 , 5. For these values of x they are equal.

Step-by-step explanation:

2x²  - x + 55 =(x +5)²

2x² - x + 55 = x² + 2*x*5 + 5²

2x² - x + 55 = x² + 10x + 25

2x² - x + 55 - x²  - 10x - 25 = 0

2x² - x² - x - 10x + 55 - 25 = 0

x² - 11x + 30 = 0

x² -6x - 5x  + 30 = 0

x(x - 6) - 5(x - 6) = 0

(x - 6)(x - 5) = 0

x - 6 = 0 ;  x - 5 = 0

x = 6      ;      x = 5

7 0
3 years ago
Read 2 more answers
what is the algebraic expression for the following word phrase: the quotient of 6 and the sum of x+y?
Gemiola [76]
I think the answer is

6 ÷ (x+y) =


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3 years ago
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5 0
3 years ago
CPM 5-102 Evaluate each expression using the order of operations
prisoha [69]

Answer:

Step-by-step explanation:

<u><em>Rules :</em></u>

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a) \ \  -4(-4+3)+2^2 = -4(-1)+4 = (-4 \times -1) + 4 = 4 + 4 = 8\\\\b) \ \ - 3 - 3 - 3 - (-3) = ( -3 - 3) -3 - (-3) = -6 -3 - (-3)\\ \ \ \ \ \ \ = -9 --3 =-9+3 = -6\\\\c) \ \ -17 +  2 (-2)(-2) = -17 + 2(-2 \times -2) = -17 + 2 ( 4) = -17 + 8 = -9\\\\d) \ \ (2 + (-3)(5))(3 + 2(-6)) = (2 + (-3 \times 5))(3 + (2 \times -6)) \\ = (2 + (-15))(3 + (-12)) = (2 -15)(3 -12)\\ = (-13)(-9) = (-13) \times (-9) \\= 13 \times 9 = 117

7 0
2 years ago
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