Answer:
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Step-by-step explanation:
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Answer:
$1673
Step-by-step explanation:
$900+$290+$55+$30+$70+$145+$87+$40+$56=$1673
Answer:
34.44 miles
Step-by-step explanation:
Distance covered bty the two trains :
Distance = speed * time
Time = 30 minutes = 0.5hr
Distance of train 1 = 64 * 0.5 = 32 miles
Distance of train 2 = 52 * 0.5 = 26 miles
Included Angle = 72°
Using cosine rule :
a² = b² + c² - 2bcCosA
Let Distance between the trains after 30 minutes = a
a^2 = 32^2 + 26^2 - 2(32)(26) * Cos(72)
a^2 = 1700 - 514.20427
a^2 = 1185.7957
a = sqrt(1185.7957)
a = 34.435
a = 34.44 miles
Answer:
c= 49
b=131
Step-by-step explanation:
C and 49 are vertical angles and vertical angles are equal
c = 49
b and 49 are supplementary angles since they form a straight line
b+49 = 180
b = 180-49
b = 131
Answer: A
Step-by-step explanation:
Since the triangles are congruent by HL, we know that there is a sequence of rigid motions.
By inspection, we know this sequence involves rotating triangle A 90 degrees clockwise and then translating it right.
