Answer: D
Suppose that 35\%35%35, percent of students in a school can sing their national anthem correctly. The music teacher takes an SRS of 303030 students from the population of 750750750 students at the school and finds that 40\%40%40, percent of students sampled can sing their national anthem correctly. The teacher plans to take more samples like this.
Step-by-step explanation: Khan Academy Explanation
Answer:
(a): 6 centimeters
(b): 72 inches
Step-by-step explanation:
Rule: From centimeters to inches, multiply centimeters × 8
so from inches to centimeters, divide inches by 8
Scale:
1 cm : 8 in
? cm : 48 in
6 cm : 48 in
Scale:
? in : 9 cm
72 in : 9 cm
Answer:
Option 2
Step-by-step explanation:
y=x+3 is a positive slope so the line going up to the right is a positive slope and the line passes through y-intercept at 3
Answer:
incorrect
Step-by-step explanation:
To determine if the triangle is right
If the square of the longest side is equal to the sum of the squares on the other 2 sides then the triangle is right, that is
longest side = 10 and 10² = 100
6² + 8² = 36 + 64 = 100
Thus the triangle is right.
She should have added 6² and 8² and compared that to 10²
