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3 years ago

Plz help me fast plz plz plz thank you 16 points plz plz

Mathematics

1 answer:

nikdorinn [45]3 years ago

4 0

Answer:

The correct answer is D.

Step-by-step explanation:

The commutative property of multiplication states that it does not matter in what order things are multiplied as long as all factors are multiplied.

This example shows the numbers multiplied in different orders, but still being equal.

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Suppose the speeds of vehicles traveling on a highway are normally distributed and have a known population standard deviation of

erik [133]

Answer:

2.88

Step-by-step explanation:

Data provided in the question

$\sigma$ = Population standard deviation = 7 miles per hour

Random sample = n = 32 vehicles

Sample mean = $\bar X$ = 64 miles per hour

98% confidence level

Now based on the above information, the alpha is

= 1 - confidence level

= 1 - 0.98

= 0.02

For $\alpha_1_2$ = 0.01

$Z \alpha_1_2$ = 2.326

Now the margin of error is

$= Z \alpha_1_2 \times \frac{\sigma}{\sqrt{n}}$

$= 2.326 \times \frac{7}{\sqrt{32}}$

= 2.88

hence, the margin of error is 2.88

5 0

3 years ago

What is 19.184 times 0.46

Anni [7]

19.184*0.46=8.82464 the answer is: 8.82464

6 0

3 years ago

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[2+(6times8)]-1 plz help

bezimeni [28]

[2+(6times8)]-1

= [2+(6 * 8)] -1

= [2+(48)] -1

= 50 -1

= 49

8 0

3 years ago

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Select all of the following that can be a counterexample for the statement below.

Pavlova-9 [17]

Answer:

-2, 3

Step-by-step explanation:

We are given the following inequality:

$x + 2 > 7$

Solving it, we have that its solution is:

$x > 7 - 2$

$x > 5$

So values of x of 5 and lower are counterexamples to this, which means that -2 and 3 are correct options to this question.

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3 years ago

Approximately what part of the American flag is blue

Verizon [17]

It is about 35% if i was to estimate

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3 years ago

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