((please answerr, will mark brainliest!))
2 answers:
Answer:
First one
Step-by-step explanation:
Let Baseball be event A
Basketball be event B
AUB = A + B - A^B
30 = 18 + 17 - A^B
A^B = 35 - 30
A^B = 5
No. of people who play both is 5.
Intersection should be 5
The first Venn diagram would be the best because 18 students play baseball and one side has 13 13+5=18 and for basketball 12+5=17
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Answer:
Given distance=360 km.
Let the speed of the train be x km/hr.
Speed when increased by 5 km/hr =(x+5) km/hr
x
360
−
(x+5)
360
=1
x(x+5)
[360x+1800−360x]
=1
x
2
+5x−1800=0
x
2
+45x−40x−1800=0
x(x+45)−40(x+45)=0
(x−40)(x+45)=0
x=40,−45
The speed of the train is 40 km/hr.
Step-by-step explanation:
thanks... ☺️
Answer: 2
Step-by-step explanation: 2/4 = 1/2
5(5x-10)=15
The radius is 6
Answer:
c
Step-by-step explanation:
