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Tems11 [23]
3 years ago
13

My question is in the picture pls help

Mathematics
2 answers:
Semenov [28]3 years ago
8 0

Answer:

The answer is B. 38.25

Step-by-step explanation:

4.5*8.5

Ede4ka [16]3 years ago
8 0

Answer:

38.25

Step-by-step explanation:

(4.5)*(8.5)

=38.25

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Factorise: x^{2} -49
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I have 430 liters of gas in a piston at a temperature of 250° C.
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Answer:

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Step-by-step explanation:

5 0
2 years ago
Two datasets arranged in descending order are; {8, x, 4,1} and {9, y, 5,2}. If the medians of
Elden [556K]

Answer:

<h2>1 </h2>

Step-by-step explanation:

A data arranged in descending order is a data arranged from the biggest to the smallest. The medisn of the data sets is the value at the middle of the dataset after rearrangment.

For the dataset {8, x, 4,1}, the median will be x and 4. Since we have two median values, we will take their average as shown

Median(1) = \frac{x+4}{2}... 1

Simialrly for dataset {9, y, 5,2}, the median will be y and 5.

Median(2) = \frac{y+5}{2} ...2

Since the medians of  the two given datasets are equal, we will equate equation 1 and 2 and calculate for y-x as shown;

\frac{x+4}{2} = \frac{y+5}{2}

x+4 = y+5\\x-y = 5-4\\x-y = 1\\y-x = -1

Therefore y-x = -1

(y-x)² = (-1)²

= 1

5 0
3 years ago
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