Answer:
70°
Step-by-step explanation:
Minor angle at the centre:
360 - 250 = 110
Two tangents make an angle of 90° each
90 + 90 + 110 + x = 360
x = 360 - 290
x = 70°
The answer is 14 bolts.
1 dozen bolts have 12 bolts.
7 dozen bolts have x bolts
___
1 : 12 = 7 : x
x = 7 * 12 : 1
x = 84 bolts
1 bin has 7-dozen bolts (84 bolts).
1/6 bin has x bolts
1 : 84 = 1/6 : x
x = 84 * 1/6 : 1
x = 84/6 = 14 bolts
Answer:
Step-by-step explanation:
Substituting x=5z,
I dont really undestand the question, pls, explain futher
(10+3i)*(5-2i) =
50 - 20i + 15i - 6i²
i² = -1
50 - 5i - 6*(-1) =
50 - 5i + 6 =
56 - 5i
