How I solve 2x-1=10? Thx

Mathematics

2 answers:

Lelechka [254]3 years ago

7 0

Answer:

The answer is 5.5

Step-by-step explanation:

First add one to both sides giving you 2x=11

Then simply divide 11 by 2

Resulting in 5.5

Oxana [17]3 years ago

4 0

Answer:

x=5.5

Step-by-step explanation:

2x-1=10

+1 +1

2x=11

divide by 2 on each side

x=5.5

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What is the average rate of change of f(x) = -x2 + 3x + 6 over the interval –3

Rufina [12.5K]

Answer:

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Step-by-step explanation:

To find the average rate of change of a function over a given interval, basically you need to find the slope. The mathematical definition of the slope is very similar to the one we use every day. In mathematics, the slope is the relationship between the vertical and horizontal changes between two points on a surface or a line. In this sense, the slope can be found using the following expression:

$Average\hspace{3}rate\hspace{3}of\hspace{3}change=Slope=\frac{y_2-y_1}{x_2-x_1} =\frac{f(x_2)-f(x_1)}{x_2-x_1}$