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mario62 [17]
3 years ago
15

Help!! (Edgar's midterm have two screenshot's)

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0

Answer:

Step-by-step explanation:

2)

80 +67 +97+ 98 +85 +72 = 499

499/6=83.1666666667

Average: 83.1666666667

3)

a) <em>97</em> <u>93</u> 92 90 90 <u>90</u> <em>86</em> =90

median of Edgars grades for his midterm is 90

<em>99</em> <u>93</u> 93 89 88 <u>88</u> <em>86</em>

median of Edgars grades for his trimester is 89

7)

(z+9+18)= z+27 (remember don't mix the numbers if they are attached to the x)

(z+18+9)= z+27 (because adding is both ways the same)

a) a + b =b + a

Geometry

1.

a) 6x^2

b)The surface area of a cube = 6a^2 where a is the length of the side of each edge of the cube. Put another way, since all sides of a cube are equal, x is just the length of one side of a cube

c) The unit would be sq(squared) feet

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