Answer:
one
Step-by-step explanation:
for general form : ax²+bx+c=0
delta = b²-4ac
so for this example delta is 8²-4×2×8 =0
we know if delta = 0 , we have just one real number solution
so the answer is 1
Answer:c
Step-by-step explanation:
5/6 multiply by 2 up and down to make dominator equal then add the nominator 5 and since down is equal it is 5/6 hope this helps
Answer: x=102
Steps:
This is an isosceles triangle which mean 2 angles and 2 sides are congruent. In this case, the 3.3 sides corresponds to the 39 degree angle. This means that the other angle next to x angle is also 39 degrees.
39+39= 78
All the angles in the triangle needs to equal 180.
So subtract 78 from 180 to find the degree of x angle.
180-78= 102
Answer:
BC=10 cm BCD= 90 degrees EB= 5 cm