Because all angles adds up to 180 we are going to add the equations and equal it to 180.
5x - 3 + 4x - 7 + x = 180
5x + 4x + x - 3 - 7 = 180
10x - 10 = 180
10x = 180 + 10
10x / 10 = 190/10
x = 19 degrees
5x - 3
5(19) - 3 = 92 degrees
4x - 7
4(19) - 7 = 69 degrees
angle L = 92 degrees
angle M = 69 degrees
angle N = 19 degrees
Answer:
25 cm.
Step-by-step explanation:
If the hypotenuse is x cm long the 2 legs are x-5 and x-10 cm long.
So by the Pythagoras theorem:
x^2 = (x - 5)^2 + (x - 10)^2
x^2 = x^2 - 10x + 25 + x^2 - 20x + 100
x^2 - 30x + 125 = 0
(x - 5)(x - 25) = 0
x = 5, 25
We can discard x = 5 because that would make the lengths of the legs negative so the hypotenuse = 25 cm long.
Answer:
= 17.75526315
Step-by-step explanation:
Combine multiplied terms into a single fraction
(3.8) = 67.47
= 67.47
Remove parentheses
= 67.47
more steps but it will take to to read but the answer is
= 17.75526315
Answer:169 pounds
Step-by-step explanation: to find how many pounds one candy would cost, divide the 130 pounds by the initial 10 sweets, you should get 1 sweet equals 13 pounds, so if 1 sweet cost 13 pounds, than multiply the cost of 1 sweet by 13 to get 169 pounds for 13 sweets