Answer:
B.
Step-by-step explanation:
$195.42 - $50 = $145.42
$195.42/30% = 136.79
Answer:a).it is an experiment
b).it is randomized.
c).The response variables are the various age groups;5--6,7--8,9--10
d)
Step-by-step explanation:
Answer: B) BC=4 in.
Step-by-step explanation:
Given: In △ABC , AB=4 inch ,AC=4 in. , and m∠A=60°
⇒ AB=AC= 4 inches
⇒ △ABC is an isosceles triangle.
⇒ m∠A=60°=m∠B [angles opposite to the equal sides of a triangle are equal]
Now by angle sum property,
m∠A+m∠B+m∠C=180°
⇒60°+60°+m∠C=180°
⇒ m∠C=180°-120°
⇒ m∠C=60°
⇒ △ABC is an equilateral triangle.
⇒ BC= 4 inches [sides of an equilateral triangles are equal]
⇒ B is the right answer.
Answer: (2 - 8x2 - 15) = -29/1 = -29
(2 + 12x - 3x) = 0
(2 + 12•x - 3•x) = 0
9x = -2
x = -2/
9
≈ -0.222222
Step-by-step explanation: