Answer:
Larger angle: 104 degrees
Smaller angle: 76 degrees
Step-by-step explanation:
(9x+5) + (6x+10) = 180
x = 11
Answer:
a = 2
Step-by-step explanation:
5a−12=−2
Solve :
5a = -2 +12
5a = 10
a = 10/5
a= 2
You just have to substitute the x for the given number and complete the equation. Leave the x-box and laziness and study
Answer: A. x= -50
Step-by-step explanation:
1/5x = -10
<u> 1 </u>= -10
5x
1.1 = 5x. (-10)
- 50x
x= -50
You have two 30-60-90 triangles, ADC and BDC.
The ratio of the lengths of the sides of a 30-60-90 triangle is
short leg : long leg : hypotenuse
1 : sqrt(3) : 2
Using triangle ADC, we can find length AC.
Using triangle BDC, we can find length BC.
Then AB = AC - BC
First, we find length AC.
Look at triangle ACD.
DC is the short leg opposite the 30-deg angle.
DC = 10sqrt(3)
AC = sqrt(3) * 10sqrt(3) = 3 * 10 = 30
Now, we find length BC.
Look at triangle BCD.
For triangle BCD, the long leg is DC and the short leg is BC.
BC = 10sqrt(3)/sqrt(3) = 10
AB = AC - BC = 30 - 10 = 20
