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aleksandr82 [10.1K]
3 years ago
14

Find the explicit formula and the type of function

Mathematics
1 answer:
damaskus [11]3 years ago
4 0
Let's examine this, as x increases by 1, what happens to the y-value? The y-value decreases by 2, so the slope is -2. When x = 0, we have our y-intercept, -5. So we can fill in Slope form with the Slope and Y-intercept that the equation is:

y = -2x - 5
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4. Use the diagram below to answer the question
ludmilkaskok [199]

Answer:

≈ 397 m

Step-by-step explanation:

Using Pythagoras' identity on the right triangle

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

Let h represent the height of the balloon above ground, then

h² + 50² = 400², that is

h² + 2500 = 160000 ( subtract 2500 from both sides )

h² = 157500 ( take the square root of both sides )

h ≈ 397 m ( to the nearest metre )

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Read 2 more answers
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scoray [572]

Your answer is any numbers that complete the equation.

<h2><u><em>(6,2)</em></u></h2><h2><u><em>(2,4)</em></u></h2><h2><u><em>(8,1)</em></u></h2>

The first number would be the x, the second number would by y

If you plug those numbers in, the fulfill the equation.

There is an infinite number of solutions to this problem

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3 years ago
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X+3y=18 how to you solve?
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