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3 years ago

Use the following set of data: 5, 7, 7, 6, 4, 8, 17, 5, 7, 5, 6, and 5. Find the interquartile range of the data. *

1 answer:

7 0

The answer is 2 because The interquartile range (IQR) is a number that indicates how spread out scores are and tells us what the range is in the middle of a set of scores.

For extra im going to tell you all the quartile ranges.

First Quartile-5

Third Quartile-7

Median-6

Interquartile-2

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Sally invests £8000 in a savings account. The account pays 2.8% compound interest per year work out the value of her investment

Alborosie

Answer: the value of her investment after 4 years is £8934.3

Step-by-step explanation:

The formula for determining compound interest is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount invested.

t represents the duration of the investment in years.

From the information given,

P = 8000

r = 2.8% = 2.8/100 = 0.028

n = 1 because it was compounded once in a year.

t = 4 years

Therefore,

A = 8000(1+0.028/1)^1 × 4

A = 8000(1+0.028)^4

A = 8000(1.028)^4

A = £8934.3 to the the nearest penny

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3 years ago

One day is what percent of one week?

satela [25.4K]

Answer:

1.68 hours

Step-by-step explanation:

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3 years ago

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Find the area of the surface. the part of the surface z = xy that lies within the cylinder x2 + y2 = 81

Anika [276]

Ans: The area of the surface is: 1553.081

Explanation: Please see the image attached with this answer (find attachment).

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3 years ago

What is the correct definition for cot θ

bazaltina [42]

Answer with explanation:

Out of six Trigonometric Ratios,that is ,sinθ,cosθ,tanθ,Cosecθ,tanθ, cotθ ,all are used for a right triangle.

For any right triangle

cot θ

$=\frac{\text{Base}}{\text{Perpendicular}}=\frac{1}{tan \Theta}$

4 0

3 years ago

Please help me now plz <br> I will mark you brainliest

cricket20 [7]

Answer:

B.) x=5

Step-by-step explanation:

Use the Pythagorean theorem. Since it isosceles, both values of x are the same. Split 6 in half (because perpendicular bisector).Insert values:

$a^2+b^2=c^2\\3^2+4^2=x^2\\9+16=x^2\\25=x^2\\5=x$

X is equal to 5.

Done.

8 0

3 years ago