All categories

3 years ago

Find the value of x in each triangle

Mathematics

1 answer:

Tanzania [10]3 years ago

6 0

Answer:

x = 20

Step-by-step explanation:

ok so we know that one angle equals 90 degrees

90 = x + 2x

90 = 3x

90 / 3 = 20

3x / 3 = x

20 = x

You might be interested in

One year, the population of a city was 80,000. Several years later it was 66,400. Find

Shalnov [3]

Answer:

The population decrease by 17%.

Step-by-step explanation:

This is because 66,400 is 83% of 80,000.

100%-83%= 17%

Therefore, the percentage of the population that decreased was 17%

7 0

3 years ago

8. The equation at the right has been incorrectly solved.

ozzi

The equation at the right has been incorrectly solved, the answer to this is b = -7

8 0

2 years ago

Read 2 more answers

Is (1, -7) a solution of y=x-8?<br> Νο<br> Yes

olchik [2.2K]

hi die cry why guy shy fiy

6 0

3 years ago

Read 2 more answers

A density curve for all the possible weights between 0 pounds and 10 pounds is in the shape of a rectangle. What is the value of

Evgesh-ka [11]

The total area under the curve must equal 1. Let the value of the density curve be x. Then 10x = 1. Therefore x = 1/10 or 0.1.
The correct answer is D. 0.1.

8 0

3 years ago

Read 2 more answers

How do I solve this

sdas [7]

$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\
\cfrac{2x}{x^2+2x-24}-\cfrac{x}{x^2-36}\quad 
\begin{cases}
x^2+2x-24\implies (x+6)(x-4)\\
--------------\\
x^2-36\implies x^2-6^2\\
(x-6)(x+6)
\end{cases}$

$\bf \cfrac{2x}{(x+6)(x-4)}-\cfrac{x}{(x-6)(x+6)}\impliedby 
\begin{array}{llll}
\textit{thus our LCD is}\\
(x-6)(x+6)(x-4)
\end{array}
\\\\\\
\cfrac{[(x-6)2x]~-~[(x-4)x]}{(x-6)(x+6)(x-4)}\implies \cfrac{2x^2-12x-x^2+4x}{(x-6)(x+6)(x-4)}
\\\\\\
\cfrac{x^2-8x}{(x-6)(x+6)(x-4)}$

3 0

3 years ago