Estimate the value of 23.4 x 13.9 / 0.18 Will mark u as brainliest

Mathematics

1 answer:

galben [10]4 years ago

3 0

Answer:

1610

Step-by-step explanation:

23 x 14 / 0.2 = 1610

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Solve the espresso on for a=12, b=6 and c=3 <br> Look at the picture ! Will give Brainly

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Answer:

Step-by-step explanation:

bc²-2a/b=6(3)²-2×12/6=54-4=50

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What is the measure of an angle that is it’s own complement ?

ValentinkaMS [17]

A complement is angle that can be added to another to equal 90 degrees.

So two times the same number would equal 90.

90 / 2 = 45

The angle that is its own complement is 45 degrees.

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Aimee has $10.00 to spend on school supplies. The following shows the price of each item in the school store. No sales tax is ch

Rainbow [258]

Answer:

17. yes - 9.95

18. yes - 9.45

19. no - 10.01

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3 years ago

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

Rufina [12.5K]

Answer:

$\frac{\Delta y}{\Delta x} =\frac{f(x_2)-f(x_1)}{x_2-x_1} =\frac{6-(-12)}{3-(-3)} =\frac{18}{6}= 3$

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:

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