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Zigmanuir [339]
2 years ago
13

The following dot plots describe the test scores on Mr. Santos final exam.

Mathematics
1 answer:
Tasya [4]2 years ago
5 0

second-period class average:

55+70+450+480+170+270+95 = 1590

1590/20 = 79.5

sixth-period class average:

65+225+480+595+270+190 = 1825

1825/20 = 91.25

on average, students in the sixth period class scored higher

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2 years ago
The volume of a can of Pepsi is 0.33liter. There are 12 cans in 1 carton
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6 0
1 year ago
42. Use the Quadratic Equation to find the Roots of x2 + 3x - 3=0
almond37 [142]

Answer:

Step-by-step explanation:

The coefficients of the x terms are {1, 3, -3}, so the discriminant, b^2 - 4ac, is 3^2 - 4(1)(-3), or 9 + 12, or 21.  The positive nature of the discriminant tells us that there are two real, unequal roots.  Following the quadratic formula, we get:

       -3 ± √21

x = -----------------

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8 0
3 years ago
Plzzzzzzz anyone helpppppppp
sladkih [1.3K]
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