KittyGotham

31.05.2020 • 

Mathematics

I NEED HELP!! PLEASE!
The students who attend Memorial High School have a wide variety of extra-curricular activities to choose from in the after-school program. Students are 38% likely to join the dance team; 18% likely to participate in the school play; 42% likely to join the yearbook club; and 64% likely to join the marching band. Many students choose to participate in multiple activities. Students have equal probabilities of being freshmen, sophomores, juniors, or seniors.What is the probability of the intersection of being a junior and participating in marching band?
(a)0.16
(b)0.39
(c)0.73
(d)0.89

Ответ:

isaiahromero15

16.10.2020

Mathematics

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13

Step-by-step explanation:

a^2 + b^2= c^2

5^2+ 12^2 =c^2

25+ 144= 169 =c^2

square root 169

C= 13

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Ответ:

jamarlittles9132

16.04.2021

Mathematics

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So a Man sold an article for $90 and made a 12.5% profit.
First what’s 10% of $90=$9
Second 1%of $90=$0.90
Third what’s 1/2 or 50% of $0.90=$0.45
Now
$9+$0.90+$0.90+$0.45=$11.25
$90+$11.25=$101.25

Answers:
Profit=$11.25
Price=$101.25

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