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1 year ago

QUESTION 94

Mathematics

1 answer:

sattari [20]1 year ago

4 0

Answer: 34.3%

Step-by-step explanation:

$Given:\ 12/35\ flights\ on\ time$

To find the percent, divide then multiply by 100:

$\frac{12}{35} = 0.343\times100=\large\boxed{34.3}$

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Why is the standard deviation usually preferred over the range?

konstantin123 [22]

Standard deviations, σ, is generally preferred over range. Reason being, it is calculated from all the data and when there is outliers it will not be impacted as much as the range. It is great to not also that, The IQR is preferred to the standard deviation when the distribution is very highly skewed or when there are severe outliers, because the IQR is less sensitive to this features than standard deviation.

4 0

2 years ago

You deposit the same $10,000 into a bank account at 4% annual interest. How long will it take for the $10,000 to compound to $30

Readme [11.4K]

Answer:

time = 28 years

Step-by-step explanation:

Given,

principal amount = $10,000

rate = 4%

total amount = $30,000

According to compound interest formula

$A\ =\ P(1+r)^t$

where, A = total amount

P = principal amount

r = rate

t = time in years

so, from the question we can write,

$30000\ =\ 10000(1+0.04)^t$

$=>\ \dfrac{30000}{10000}\ =\ (1+0.04)^t$

$=>\ 3\ =\ (1.04)^t$

by taking log on both sides, we will get

=> log3 = t.log(1.04)

$=>\ t\ =\ \dfrac{log3}{log1.04}$

=> t = 28.01

So, the time taken to get the amount from 10000 to 30000 is 28 years.

8 0

3 years ago

HELPPPPPPP PLEASEEEEEEEEWEEE

kolezko [41]

Answer:C

Step-by-step explanation: slope of 0 will always be horizontal

3 0

2 years ago

In the regular octagon below, if AP = 12 cm. and BC = 19 cm, find its area.

Blizzard [7]

First symmetrically cut the octagon to get 8 pieces. (So that you will get the idea that this polygon is divided into 8 triangles)

Then find the area of one of the triangles:

Area of Triangle = $\frac{1}{2} * b* h$

A = $\frac{1}{2}$ × 12 × 19

A = 114 cm²

To find the area of the whole octagon shape:

A = 114 × 8 = 912 cm²

<em>Hope it helps!</em>

5 0

1 year ago

Read 2 more answers

The ordered pair D (-4,-2) has been plotted for you. If you reflected coordinate d over the x-axis, which point from part A woul

Serjik [45]

A= (-4,2)

The x value (-4) stays the same when reflected over the x-axis, so only the y-value gets reflected and therefore changed.
The resultant coordinate is (-4,2)

6 0

3 years ago