The cafeteria manager took a survey of the third grade students and found that 83 of 127 students said they did not want hot dog
s on Wednesdays. There are 900 students at the school. What is a good prediction of the number of students who do not want hot dogs on Wednesday?
A 288
B 388
C 488
D 588
PLEASE SHOW YOUR WORK
A 288
B 388
C 488
D 588
PLEASE SHOW YOUR WORK
2 answers:
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Answer:
- 9
- (x-8)/3
- -1
Step-by-step explanation:
The inverse function for a set of ordered pairs can be found by swapping the x- and y-coordinates in each pair.
__
The inverse of a function expressed algebraically can be found by swapping the x- and y-variables and solving for y.
A function of its own inverse returns the original value:
Answer: hypotenuse =
Step-by-step explanation: Pythagorean theorem states that square of hypotenuse (h) equals the sum of squares of each side () of the right triangle, .i.e.:
In this question:
=
2bc
Substituing and taking square root to find hypotenuse:
Calculating:
=
, then:
Hypotenuse for the right-angled triangle is units