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kolezko [41]
3 years ago
10

Find the unit rate : Running 2.3km in 7 minutes

Mathematics
1 answer:
sp2606 [1]3 years ago
4 0

Answer:

0.3

Step-by-step explanation:

pls give me brainliest plzzzzzz

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Specific Learning Outcomes:  

Solve problems that involve finding powers of a number

Description of mathematics:  

In this problem students work with powers of numbers and, as a consequence, come to understand what is happening to the numbers.  

Students also see how an apparently enormous and difficult calculation can be broken down into manageable parts. The students should come to realise that there are only a limited number of unit digits obtained when 7 is raised to a power. Further,  these specific digits 'cycle round' as the power of 7 increases. This cycle is 7, 9, 3, 1, 7, 9, …

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3 years ago
elimination was used to solve a system of equations. one of the intermediate steps led to the equation 2x= 8. which of the follo
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Answer:

  C

Step-by-step explanation:

The step shown indicates that y was eliminated from the equations. For choices A, B, D, this is done by adding the equations together (the y-coefficients are opposites). The result of doing that gives x-terms of 4x, 0x, and 0x, respectively. These x-terms do not match the one given: 2x.

For choice C, the y-term is eliminated by subtracting twice the second equation from the first. Doing that gives ...

  (4x +2y) -2(x +y) = (14) -2(3)

  4x +2y -2x -2y = 14 -6 . . . . eliminate parentheses

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8 0
3 years ago
If tan(A+B)=8 and tan B = 1/57 find tan A <br> Plz show work
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Step-by-step explanation:

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