Answer:
A
Step-by-step explanation:
sin57° = =
=
∠ P = 180° - (90 + 57)° ← sum of angles in triangle
∠ P = 180° - 147° = 33° , then
cos33° = =
=
Thus the 2 ratios used to solve for x are A
Reily adds 45.3 and 3.21.should his sum be greater than or less than 48?Tell how you know.
2 answers:
Answer: The sum is greater than 48.
Step-by-step explanation: Given that Relly adds 45.3 and 3.21.
We are to check whether the sum is greater than or less than 48.
To check, first we need to add the given numbers.
Let s be the required sum.
Then, according to the given information, we have
Since 48.51 is greater than 48, so the sum is greater than 48.
Thus, the sum is greater than 48.
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Answer:
Number of dimes = 34
Number of nickels = 13
Step-by-step explanation:
Total number of coins = 47
Coins are in the form of nickels and dimes.
Value of a nickel = 5 cents
Value of a dime = 10 cents
Total value of coins = $4.05 or 405 cents
To find:
Number of nickels and dimes?
Solution:
Let number of nickels =
Money value of nickels = 5
Let number of dimes =
Money value of dimes = 10
Total value of coins =
This value is given as equal as 405.
As per question statement, the equations can be written as:
Multiplying equation (2) with 5 and subtracting from equation (1):
Number of dimes = 34
Number of nickels = 47 - 34 = 13