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irinina [24]
3 years ago
10

Jeremy is recording the weights, in ounces, of different rock samples in a lab. The weights of seven rocks are listed below.

Mathematics
2 answers:
RideAnS [48]3 years ago
8 0
The value of the (RIC) will increase from 4 to 5.75,that is,44%
Kruka [31]3 years ago
8 0

<u><em>Answer:</em></u>

The correct answer is option <u>"C"</u>

<u><em>"The interquartile range increases"</em></u>

<em>The value of the (RIC) will increase from 4 to 5.75, that is, 44%</em>

<u><em>Step-by-step explanation:</em></u>

The range is defined as the difference between the maximum and minimum value of a series of data. Xmax - Xmin

The interleaving range (RIC) is a measure of dispersion that measures the central range of 50% of the data.

<u>                                                                                                                                </u>

Therefore, if a low value is included, such as five, the variance of the data would be greater and, consequently, the value of the (RIC) will increase from 4 to 5.75, that is, 44%

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A contractor combined x tons of a gravel mixture that contained 10 percent gravel G, by weight, with y tons of a mixture that co
White raven [17]

Answer:

The value of x would be \frac{3}{5}y or \frac{3}{8}z

Step-by-step explanation:

Given,

x tons of 10% gravel G mixture is mixed with y ton of 2% gravel G to obtain  5% gravel mixture,

Thus, gravel G in x ton + gravel in y ton = gravel G in the resultant mixture,          

⇒ 0.1x + 0.02y = 0.05(x+y),

0.1x - 0.05x = 0.05y - 0.02y

0.05x = 0.03y

\implies x = \frac{0.03}{0.05}y=\frac{3}{5}y----(1)

Now, resultant mixture is z ton,

i.e. z=x+y

\implies y = z - x

From equation (1),

x=\frac{3}{5}(z-x) = \frac{3}{5}z-\frac{3}{5}x

x+\frac{3}{5}x=\frac{3}{5}z

\frac{8}{5}x=\frac{3}{5}z

x=\frac{3}{8}z

3 0
3 years ago
A child walks due east on the deck of a ship at 3 miles perhour.
VladimirAG [237]

Answer:

16.28 mph ; 79.38°

Step-by-step explanation:

Given the following :

Speed of child due east = 3mph

Speed of ship due North = 16mph

Relative speed of th child is obtained by using Pythagoras rule to find the hypotenus

Relative Speed = Sqrt(3² + 16²)

Relative Speed = sqrt(9 + 256)

= sqrt(265)

= 16.2788 mph

= 16.28 mph

From trigonometry ;

Tanθ = opposite / Adjacent

Tanθ = (16 / 3)

Tanθ = 5.333

θ = tan^-1(5.333)

θ = 79.379°

θ = 79.38°

6 0
3 years ago
5 divide 3/4 and simply
Aloiza [94]
6 and 2/3 is your answer
5 0
3 years ago
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Vaselesa [24]

Answer:

396010000

Step-by-step explanation: You multiply 19,900 * 19900 because there are 2 pools and you will get your answer

5 0
2 years ago
Read 2 more answers
The matrix is used to solve a problem. Which of the following would be a solution to the problem?
timurjin [86]
The answer would be c because I know
3 0
3 years ago
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