What is f(5) for the function f(x)=2x+7
2 answers:
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Answer:
63 people
Step-by-step explanation:
Given parameters:
Number of students survey = 32
Number of those that liked ice-cream = 8
Total population size = 252
Unknown:
How many people in the population should prefer ice cream = ?
Solution:
From the survey;
8 out of 32 students prefer ice cream;
8 : 32
1: 4
This shows that 1 out of 4 students will prefer ice cream
NOw to the total population;
If out of 4 students, 1 prefers ice-cream;
Out of 252 students y will prefer ice-cream
Number of students that prefers ice-cream = = 63people
Answer:
BC ≈ 20.5 in
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos35° = =
=
( multiply both sides by 25 )
25 × cos35° = BC , thus
BC ≈ 20.5 in ( to the nearest tenth )