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Allushta [10]
4 years ago
5

What is the interquartile range of the box and whisker plot

Mathematics
1 answer:
Irina18 [472]4 years ago
5 0

Answer:

(IQR) interquartile range = 5

Step-by-step explanation:

Lower quartile: 48

Upper quartile: 53

Median: 52

Lowest value: 46

Highest value: 55

(IQR) interquartile range: Upper quartile - Lower quartile = final answer

(IQR) interquartile range: 53 - 48 = 5

You might be interested in
the speed of a stream is 4mph. If a boat travels 92 miles downstream in the same time that it takes to travel 46 miles upstream,
Elanso [62]

Answer:

12 miles per hour

Step-by-step explanation:

Let speed of boat in still water be "x"

and speed of current be "c"

So, downstream rate would be "x + c"

And, upstream rate would be "x - c"

Now, given c = 4

We can use the distance formula, D = RT, where

D is distance, R is rate, and T is time

to solve this.

Downstream:

D = RT

92 = (x+4)(t)

Upstream:

D = RT

46 = (x-4)(t)

Both the times are same, we can equate both the times. Lets simplify first:

t = 92/(x+4)

and

t = 46/(x-4)

Equate:

\frac{92}{x+4}=\frac{46}{x-4}

Now, cross multiply and solve for x to get our answer:

\frac{92}{x+4}=\frac{46}{x-4}\\92(x-4)=46(x+4)\\92x-368=46x+184\\46x=552\\x=12

Speed of Boat (in still water) = 12 mph

6 0
3 years ago
What is -2x+2? Does it still add up even though they are not like terms?
alexdok [17]

Answer:

−2(x−1)

Step-by-step explanation:

5 0
3 years ago
Subtract;<br>233.66-66.24<br>43.12-21.11<br>24.6-19.777​
Sergeeva-Olga [200]

Answer:

1. 167.42

2. 22.01

3. 4.83

7 0
3 years ago
Work out 5/9 0f 100. give your answer to nearest whole number
KiRa [710]

Answer:

56

Step-by-step explanation:

7 0
3 years ago
(x - y = -3
Ilia_Sergeevich [38]

The solution for x – y = - 3 and 2x + y = 12 by solving linear systems by substitution is (x, y) = (3, 6)

<u>Solution:</u>

Given, two system of equations are x – y = - 3 ⇒ (1)

And 2x + y = 12 ⇒ (2)

We have to solve the given system of equations by substitution method.

Now, we can write (1) as x – y = - 3 ⇒ x = y – 3  

Then, substitute x value in (2)

(2) ⇒ 2(y – 3) + y = 12

⇒ 2y – 6 + y = 12

⇒ 2y + y = 12 + 6

⇒ 3y = 18

⇒ y = 6

So, substitute y value in (1) ⇒ x – 6 = - 3

⇒ x = 6 – 3

⇒ x = 3

Hence, the solution of system of equations is (x, y) = (3, 6)

4 0
3 years ago
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