What is the solution to y=0.7x for the replacement set x=[2]?

Mathematics

1 answer:

professor190 [17]3 years ago

4 0

If x equals the absolute value of 2, and 2 is already in absolute value... Then Y would equal 0.7(2)=1.4

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A bluebird is sitting in her nest 10 feet up in a tree when she looks down and sees a cat and a worm. she decides to use math to

GarryVolchara [31]

Answer:

12.2 feet

Step-by-step explanation:

The key to this problem is trigonometry.

Imagine a right triangle. With a height, 10 ft (representing the tree's height), and a base of 7 ft (representing the horizontal distance to the worm).

Now the hypoteneuse length, or otherwise the distance from the worm is unknown.

So this is where we can use the pythagorean theorem.

$a^2 + b^2 = c^2$

$c$ here is the hypoteneuse length, and $a$ and $b$ are the other lengths of the triangle.

Since we know a and b we can solve for c.

But first we will square root both sides of the equation to get $c$ and not $c^2$ .

$\sqrt{a^2 + b^2} = c$

Now just plug in our values for a and b respectively. (It doesn't matter what number replaces a or b, just make sure you are replacing a and b with the 2 known values) Calculate.

$\sqrt{10^2 + 7^2} = \sqrt{100 + 49} = \sqrt{149} = 12.206....$