Answer:
Step-by-step explanation:
Given
Required
Write in Standard Form
To start with; the two monomials have to be multiplied together;
Split the numerator and the denominator
Multiply Like terms
Divide 9 by 3 to give 3
Divide n³ by n to n²
Split fraction
From laws of indices;
becomes
Multiply all together
A and D
Put 3 in the equations and solve
Answer:
The mean is 85.25
The medium is 86
The mode is 92
Step-by-step explanation:
The mean is all the numbers added divided by the number of values.
77 + 92 + 80 + 92 divided by 4
341 divided by 4 = 85.25
The median is the middle number
92 + 80 divided by 2
172 divided by 2 = 86
The mode is the number that occurs the most which is 92.
The brainliest please ................,,,,,,..,,,,,,,,,,,,,,,,,,,
MArishka [77]
Answer:
d
Step-by-step explanation:
Answer:
Step-by-step explanation:
1 tyres time to install is 56/4=14
which means it takes 14 minutes to install one tire.
so 12 tires would be 12 x 14 which is 168 minutes
A) 168 minutes
1 tire = 14 min
42 min/14 min=3
B) 3 tires