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otez555 [7]
3 years ago
13

Unit Test Review

Mathematics
1 answer:
bazaltina [42]3 years ago
8 0

Answer:

4x 6y

Step-by-step explanation:

14x -10=4

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The perimeter of the rectangle is 20\text{ cm}20 cm20, start text, space, c, m, end text. One side is 6\,\text{cm}6cm6, start te
Tamiku [17]

Answer: The lenght of the missing side is 4 cm

Step-by-step explanation:

The correct question is:

<em>The perimeter of the rectangle is 20cm . One side is 6cm. What is the length of the missing side?</em>

So, to answer it we have to apply the next formula:

Perimeter of a rectangle = 2 width + 2 length

Replacing with the values given: (assuming that the side given is the length of the rectangle)

20 = 2(6) + 2x

Solving for x:

20 =12 +2x

20-12 =2x

8 =2x

8/2 =x

4=x

The length of the missing side is 4 cm

Feel free to ask for more if needed or if you did not understand something.  

3 0
3 years ago
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How to find X in a parallelogram
myrzilka [38]

Answer:

X=7

Step-by-step explanation:

15-8

4 0
2 years ago
In a controversial election district, 73% of registered voters are democrat. a random survey of 500 voters had 68% democrats. ar
Arlecino [84]

Answer:

73% = parameter

68% = statistic

Step-by-step explanation:

Parameter and statistic differs from one another in statistical parlance in that, parameter refers to nemwrical characteristic derived from the population data. In the scenario described above, 73% describes the percentage of all registered Voters (population of interest). On the other hand, statistic refers to numerical characteristic derived from the sample data. 68% represents the percentage of democrats from the sample surveyed from the the larger population.

Hence,

68% is a sample statistic and 73% is a population parameter.

7 0
3 years ago
3x-2 when x=-2 whats the answer
Hoochie [10]

Answer:

3x - 2 \\ 3( - 2) - 2 \\  - 6 - 2 \\  - 8            .answer

Step-by-step explanation:

please mark me brainliest please

7 0
3 years ago
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Please answer both A. And B. Thank you!
const2013 [10]

Answer:

A is 5,400 and B is 19

Step-by-step explanation:

6 0
2 years ago
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