2 years ago

Solve for x. Give your answer in simplest radical form

1 answer:

3 0

Use the Pythagorean Theorem to find the length of the side marked "x."
x^2 + (10 mi)^2 = (13 mi)^2. Thus, x^2 + 100 mi^2 = 169 mi^2.
Next, x^2= (169-100) mi^2, or x^2 = 69 mi^2. Find the positive square root of both sides of this equation. What is it?

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Is something with/without a decimal greater?

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Answer:

without

Step-by-step explanation:

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2 years ago

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The product shown is a difference of squares. What is the missing constant term in the second factor?

In-s [12.5K]

Answer:

$\boxed{3)}$

Step-by-step explanation:

A difference of squares has the form (a - b)(a + b)

Your expression is (-5x - 3)(-5x + ?

Let's compare this with your expression.

$\begin{array}{cclccl}(a & - & b) & (a & + & b)\\\downarrow & & \downarrow & \downarrow & & \downarrow \\(-5x & - & 3) & (-5x & + & \mathbf{3)} \\\end{array}\\\\\text{The missing term is }\boxed{\mathbf{3)}}$