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timama [110]
3 years ago
10

Help Me Please.................

Mathematics
2 answers:
Rama09 [41]3 years ago
8 0
Your answer would be x = -15.8994.

To get this, you first add 7 to each side making the equation -4.818 = x/3.3

Then, you would need to multiply each side by 3.3 to get x by itself.

Your answer would be -15.8994.
BlackZzzverrR [31]3 years ago
4 0

Answer:

x=-15.8994

Step-by-step explanation:

<u>Skills needed: Solving one variable equations, Multiplication</u>

1) We are given: -11.818=-7+\frac{x}{3.3}, and we need to solve for "x"

2) In order to do this, you need to isolate the variable. In other words, you need to make sure the term involving  "x" is on one side of the equation, while everything else is on the other side.

  • In this case, the term involving  "x" is: \frac{x}{3.3}
  • In order to isolate \frac{x}{3.3}, you need to get rid of the "-7" on the right side. To get rid of it, we can add 7 to both sides.

3) -11.818+7 = -7+\frac{x}{3.3} +7

-11.818+7=-4.818

-7 and 7 on the right side cancel out.

4) So you are left with: -4.818=\frac{x}{3.3}

  • To get "x", you need to multiply both sides by 3.3
  • If you do this, the denominator will get cancelled out, leaving us with    "x" equaling a value.

5) So then: -4.818 * 3.3 = x (that star sign in between -4.818 and 3.3 is a multiplication sign)

-4.818*3.3 = -15.8994, so x = -15.8994

<em>Hope this helps and have a nice day!! :] :) :D</em>

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Answer:

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Step-by-step explanation:

1. Approach

The easiest method to solve this problem is to use the Pythagorean theorem to find the height of the cone. Then one can substitute the values given and found on the cone into the formula to find the surface area in order to solve for the surface area of the given cone.

2. Height of the cone

Imagine drawing a line from the tip of the cone down to the center of the base. This line will form a right angle with the base, thus, a right triangle is formed between the line, the radius (the distance from the center to the circumference or outer edge on a circle) of the base, and the incline of the cone. The Pythagorean theorem is a formula that relates the sides of a right triangle. This formula is as follows:

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