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3 years ago

Please please please help me with two questions. Answer correctly for brainlist!!!!

Mathematics

2 answers:

Volgvan3 years ago

8 0

For the first question, the answer would be 280 miles. This because 200 ÷ 5 = 40, so if you take seven you can split it into 5 and 2. We know that for every 5 inches there are actually 200 and for 2 inches it would 80 miles. Simply add them togeather to get 280.

The answer to the second question would be 24 because 6 x 8 = 48, so 3 x 8 = 24

LOL I think that this is correct XD

Vesnalui [34]3 years ago

5 0

1. 28.57

2. 16

Hope this is right.

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If f(x) =1/4x+3, what is the equation for f^-1 (x)?

ser-zykov [4K]

4x - 12

You can get this by switch the f(x) and the x and then solving for the new f(x)

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3 years ago

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VMariaS [17]

For what are you trying to figure out?

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3 years ago

Consider the following information related to a set of quantitative sample data:

svlad2 [7]

Answer:

(a) There are outliers

(b) $x$ and $x >62$

Step-by-step explanation:

Given

$\sigma = 14.92$

$\bar x = 22.0$

$q_0 = -24$

$q_1 = 14.5$

$q_2 = 24.5$

$q_3 = 33.5$

$q_4 = 64$

Solving (a): Check for outliers

This is calculated using:

$Lower = Q_1 - (1.5 * IQR)$ --- lower bound of outlier

$Upper = Q_3 +(1.5 * IQR)$ --- upper bound of outlier

Where

$IQR = Q_3 - Q_1$

So, we have:

$IQR = 33.5 - 14.5$

$IQR = 19$

The lower bound of outlier becomes

$Lower = Q_1 - (1.5 * IQR)$

$Lower = 14.5 - (1.5 * 19)$

$Lower = 14.5 - 28.5$

$Lower = -14$

The upper bound of outlier becomes

$Upper = Q_3 +(1.5 * IQR)$

$Upper = 33.5 + 1.5 * 19$

$Upper = 33.5 + 28.5$

$Upper = 62$

So, we have:

$-14 \le x \le 62$ --- the range without outlier

Given that:

$q_0 = -24$ --- This represents the lowest data

$q_4 = 64$ --- This represents the highest data

-24 and 64 are out of range of $-14 \le x \le 62$ .

Hence, there are outliers

Solving (b): The outliers

The outliers are data less than the lower bound (i.e. less than -14) or greater than the upper bound (i.e. 62)

So, the outliers are:

$x$ and $x >62$

4 0

2 years ago

What is 9^2+a= square root of 113 what is the value of a

sergiy2304 [10]

A= -81 + square root of 113
a≈ -70.36985418

5 0

3 years ago

Which is 196 written as a power of a number? A) 98^2 B) 13^2 C) 49^4 D) 14^2

kap26 [50]

Its not A. because , 98^2 = 9,604
Its not B. because , 13^2 = 169
Its for sure not C. because, 49^4 = 5,764,801
It is most likey, D. because 14^2 = 196
Option: D 14^2 would most likely be your answer

Reason , because 14(14) = 196 = 14^2

☺

3 0

3 years ago