2 years ago

Emily quiz scores for this semester were 82,73,73,91 and 85 what is the

Mathematics

1 answer:

Elanso [62]2 years ago

3 0

The median is 82
The mode is 73
The mean is 80.8

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Answer:

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Step-by-step explanation:

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2 years ago

A student performed the following steps to find the solution to the question x^2 - 2x - 15 = 0. Where did the student go wrong?

nataly862011 [7]

Answer:

D In step 3

Step-by-step explanation:

Given polynomial: x² - 2x - 15 = 0

Step 1: factor the polynomial ⇒ (x + 3)(x - 5) = 0

Step 2: x + 3 = 0 and x - 5 = 0

Step 3: x = -3 and x = 5

x - 5 = 0

Add 5 to both sides:

⇒ x - 5 + 5 = 0 + 5

⇒ x = 5

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2 years ago

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steposvetlana [31]

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a and b are both 12.72792

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2 years ago

Calculate the correct solution to the equation -5x = -45 a) x = -9 b) x = 9 c)x = 1/9 d)x = -1/9

Kazeer [188]

Answer:

Solution,

 $- 5x = - 45 \\ or \: x = \frac{ - 45}{ - 5} \\ x = 9$ 

hope this helps...

Good luck on your assignment...

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3 years ago

Read 2 more answers

A car travels 270 miles in 4.5 hours. What is the rate in miles per hour? D=R*T

kramer

Answer:60

Step-by-step explanation:you divide 270 by 4.5.

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3 years ago