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2 years ago

Find the mean and median of following data 17, 10,3,5 and 15

Mathematics

1 answer:

11111nata11111 [884]2 years ago

7 0

Answer:

mean = 10

median = 10

Step-by-step explanation:

17, 10,3,5 and 15

Put the numbers in order from smallest to largest

,3,5 ,10 ,15,17

To find the mean add up all the numbers and divide by the number of numbers

(3+5+10+15+17)/5

50/5

To find the median , it is the middle number

3,5 10 15 ,17

The median is 10

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2 years ago

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Molodets [167]

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3 years ago

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Write the ratio as a fraction in simplest form. 10.8 seconds : 36 feet (Show work)

vodka [1.7K]

Answer: Ratio as a fraction in simplest form is :

$\frac{27}{1}=27$

Step-by-step explanation:

Since we have given that

10.8 seconds : 36 feet

As we know that

$1\ second=\frac{1}{60}\ mile\\\\1\ second=90\ feet$

So, we use it :

10.8 seconds : 36 feet

$=10.8\times 90\ feet:36\ feet\\\\=972:36\\\\=27:1$

Hence, Ratio as a fraction in simplest form is :

$\frac{27}{1}=27$

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2 years ago

At the Middleton School festival, a tent covers a rectangular space 30 1/2 yards long and 9 1/3 yards wide. What is the area, in

lisov135 [29]

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<h2>284 .67 square yards </h2>

Given

Length = 30½ = 61/2
Bredth = 9⅓ = 28/3

To find:

The area covered by the tent.

Solution 

Multiplying The Given Length by the given Bredth since the area of a rectangle = LB
61/2× 28/3
= 284 .67 square yards.

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2 years ago

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A car purchased in 2014 was worth $21,000. It has depreciated at an annual rate of 8.5%. what will its value be in 2021?

liraira [26]

Answer: The value of the car in 2021 will be $11,276.31.

Step-by-step explanation:

If r is the depreciation rate and P is the initiial amount , then the amount after t years is given by:-

$A=P(1-\dfrac{r}{100})^t$

Given: P=21000, r=8.5% , t= 2021-2014= 7

Plug all the values in the formula, we get

$A= 21000(1-\dfrac{8.5}{100})^7\\\\\Rightarrow\ A=21000(1-0.085)^7\\\\\Rightarrow\ A= 21000(0.915)^7\\\\\Rightarrow\ A= 21000(0.5369670)\approx11276.31$

The value of the car in 2021 will be $11,276.31.

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2 years ago