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3 years ago

Make me your friend and i will mark brainliest and also what is 500^2-40^3/4

Mathematics

2 answers:

gregori [183]3 years ago

7 0

Answer:

234,000

Step-by-step explanation:

Is this a scam?

Oh no, it's a bribe. Yup. It was a bribe.

kolezko [41]3 years ago

6 0

Answer:

<h3>About 2484.1</h3>

Step-by-step explanation:

Just solve both step by step and then simplify, calculator might do wrong order of operation so be careful there

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The path followed by a roller coaster as it climbs up and descends down from a peak can be modeled by a quadratic function, wher

Romashka [77]

Answer:

$y = -0.1x^2 + 250 ft$

Step-by-step explanation:

Because this quadratic equation would have the curve-down form of:

$y = -ax^2 + b$

where a and b are positive coefficient.

If we let the peak (250 ft) of the curve be at x = 0. Then

$y = -a0^2 + b = 250$

$b = 250$

Also at the begins and ends, thats where y = 0, the 2 points are separated by 100 ft. So let the begin at -50 ft and the end at 50ft. We have

$-a(\pm 50)^2 + 250 = 0$

$-a2500 = -250$

$a = 250/2500 = 0.1$

Therefore, the model quadratic equation of our path would be

$y = -0.1x^2 + 250 ft$

8 0

3 years ago

As of July 1, 2014, the population of India was about 1,267,000,000. How can you write this number in scientific notation?

skelet666 [1.2K]

Answer:

1 I think its 1.267000000

Step-by-step explanation:

4 0

3 years ago

Which point is the vertex for the graph of y = |x| + 2?

Tasya [4]

The vertex is when x=0, so (0, 2) is the answer.

4 0

3 years ago

Read 2 more answers

Slope -3/7 and goes thru (9,-11)

goblinko [34]

The equation of line is ,

$\begin{gathered} (y-(-11))=\frac{-3}{7}(x-9) \\ y+11=\frac{-3}{7}x+\frac{27}{7} \\ y=\frac{-3}{7}x+\frac{27}{7}-11 \\ y=\frac{-3}{7}x-\frac{50}{7} \end{gathered}$

3 0

1 year ago

The areas of two similar octagons are 9 m² and 25 m². What is the scale factor of their side lengths? PLZ HELP PLZ PLZ PLZ

torisob [31]

Answer:

$\frac{3}{5}$

Step-by-step explanation:

Let the side length for the octagon having 9m² as area = x

Side length for the octagon having area of 25m² = y.

Thus:

$\frac{9}{25} = (\frac{x}{y})^2$ (area of similar polygons theorem)

The scale factor of their sides would be $\frac{x}{y}$ . Which is:

$\sqrt{\frac{9}{25}} = \frac{x}{y}$

$\frac{\sqrt{9}}{\sqrt{25}} = \frac{x}{y}$

$\frac{3}{5} = \frac{x}{y}$

Scale factor of their sides = $\frac{3}{5}$

6 0

3 years ago