What is the value of w?

Mathematics

1 answer:

DedPeter [7]4 years ago

4 0

The side opposite the 30o angle is 1/2 W. That is just a property of a 30 - 60 - 90 triangle. Use that fact to set up the pythagorean relationship.

w^2 = (1/2 w)^2 + (7 * sqrt(3)) ^2
w^2 = 1/4 w^2 + 49*3
w^2 = 1/4 w^2 + 147
3/4 w^2 = 147
w^2 = 147 * 4/3
w^2 = 49 * 4 = 196
w = sqrt (196)
w = 14

You might be interested in

harrison is playing a board game that has a path of 100 space. after his first turn,he is 1/5 of the way along the spaces. on hi

Kryger [21]

On his first turn he moves one fifth of one hundred what is equal to twenty on second turn he moves twenty less one fourth of twenty what is equal to fifteen. In last time he moves eleven fourths of twenty what is equal to fifty five. Then 3rd turn he has moved ninety spaces

i hope this helps :)

3 0

3 years ago

Slope and y intercept of y+10x=2

marissa [1.9K]

Slope is -10x
Y-intercept is 2

5 0

3 years ago

If g(x)=4x-5 find g(-3).

tino4ka555 [31]

Answer: -17

Explanation: If g(x) = 4x - 5, then g(-3) = 4(-3) - 5 which simplifies to -17.

7 0

3 years ago

What is the median of the menu items in the plot below?

DerKrebs [107]

Step-by-step explanation:

There are 13 numbers here:

30, 30, 31, 32, 42, 49, 58, 58, 67, 67, 69, 78, 90.

The median number is the 7th number, which is 58.

6 0

4 years ago

Read 2 more answers

Anybody wanna help me on this?

igomit [66]

Answer:

(0,-2) , (2,1) , (4,4)

Step-by-step explanation:

those are the points, now connect then with a line

7 0

3 years ago