Answer:
The algebraic equations are: 120 + 120 × d% = 120 + x and 120 + 120 × 25% = 150
Step-by-step explanation:
The given number is 120 that is first increased by d% and then increased by 25%. So there is two algebraic equation, in the first equation the given amount 120 will be increased by d% and in the second algebraic equation, the given amount 120 will be increased by 25 percent.
Let the amount by which the 120 is increased = “x” in the case of the first equation.
120 + 120 × d% = 120 + x
Second algebraic equation.
120 + 120 × 25% = 150
Answer:
B. Yes, because it does not have a constant rate of change.
Step-by-step explanation:
For a function to be a function (or linear), the rate of change MUST be proportional. In this data set, the numbers do not seem proportional, which makes it non-linear.
Answer:
<h2>8/17</h2>
Step-by-step explanation:
From the triangle, given sin C=15/17 we will use the trigonometry identity to get the ratio of cosC. Using the SOH CAH TOA identity;
sinC = opp/hyp = 15/17
opposite = 15
hypotenuse = 17
According to pythagoras theorem;
hyp² = opp²+adj²
17² = 15² + adj²
adj²= 17²-15²
adj = √64
adj = 8
Since cosC = adj/hyp
cosC = 8/17
The ratio of cos is 8/17