The ratio of the units digit to the tens digit in a two-digit number is one-half. the tens digit is two more than the units digi
t. find the number.
1 answer:
Let the first digit of the 2-digit number be x and the second digit be y.
Then the ratio (x/y) equals (1/2). Write a formula for y in terms of x.
The tens digit is 2 more than the units digit. Using the letters x and y, write out the proper equation.
Now solve your two equations simultaneously for x and y.
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Answer B is correct. She forgot to use a variable for 1.49. The correct equasion would be:
Answer:
V = 115.5 cubic yards
Step-by-step explanation:
V (cone) = 1/3πr²h
just substitute given values to get:
r = 7/2 or 3.5
h = 9
V = π(3.5²)(9)/3
V = 115.5 cubic yards
10/24 x 100 = 41.66
Approximately 42% of her day
Is this a rise over run question
