Can you show your original question
The answer for this question is 80
Memorize the side ratios of a 45-45-90 right triangle.
The ratio between the sides of this triangle is 1:1:Sqrt(2), which means that the length of the legs are equal, and the length of the hypotenuse is simply the leg length multiplied by the square root of two.
Answer:
$32.10
Step-by-step explanation:
Okay to find any price included with tax is 100% plus the tax.
The tax is 7%. So in decimals its 1.07.
Lets multiply. 30 x 1.07 = $32.10

We effectively rewrite the equation as

In order for the LHS to be defined, we need to restrict
, or
. Now, the LHS will vanish when the numerator is 0, which happens for

This value is indeed smaller than 4, so the solution is
.