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2 years ago

HELP ASAP approximate margin of error and interpret the margin of error

Mathematics

1 answer:

svet-max [94.6K]2 years ago

5 0

Answer:

the margin of error can be interpreted to mean that the value of the mean obtained from the sample is expected to differ from the mean of the population weight by ±0.01

Step-by-step explanation:

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Compare the rates to find which is the best value.

sattari [20]

Answer:

C6 greeting cards for $23.40

Step-by-step explanation:

A. 13.5/3=4.5

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2 years ago

X^2-18x=-72<br><br> I need two solutions. Thanks.

eimsori [14]

Hey Astute!

Solve: x^2 - 18x = -72

Solution:

x^2 − 18x − (−72) = −72 − (−72) (Subtract -72 from both sides of the equation)

x^2 − 18x + 72 = 0

(x − 6) (x − 12) = 0 (Factor left side)

x − 6 = 0 or x − 12 = 0 (factors have to equal 0)

6 - 6 = 0 or 12 - 12 = 0

Answer:

x = 6 or x = 12

Hope This Helps, Have a Great Day!

7 0

3 years ago

Read 2 more answers

1. On the last 5 quizzes, Marco has earned a total of 21 out of 25 possible points. If he has a perfect

Nonamiya [84]

The number of points Marco needs to bring his average up to 90% is 15points.

If there's a possible 25 possible points, and Marco has taken 5 quizzes;

Evidently, each quiz has weighs 5 points.

Mathematically;

$\frac{21 + 5x}{5(5 + x)} \times 100\% = \frac{90}{100}$

2100 + 500x = 2250 + 450x

50x = 150

x = 3.

Therefore, he needs 5x points = 15 points to bring his average up to 90%.

https://brainly.in/question/24249798

3 0

2 years ago

14 9/16- 8 1/4 rounded to the nearest whole number

Kipish [7]

Answer:

14 9/16 - 8 1/4 = 14 9/16 - 8 4/16 = 233/16 - 132/16 = 101/16 = 6 5/16 ~~ 6

14 9/16 - 8 1/4 = 6

5 0

3 years ago

If no vertical line intersects the graph of a relation in more than one point, then the relation is a function.

eimsori [14]

The answer is 100% A - True.

6 0

3 years ago