Answer:
First, assign a value to x.<em> x</em> will be 2 in this case.
Next, multiply x by itself, because that is what exponent 2, or squared, means. 2 x 2 = 4
Now, multiply 4 by 7. 4 x 7 = 28
Next, find the value of <em>9x</em>.
The value of 9x will be 9 times a number, x, also known as 2 in this scenario. 9 x 2 = 18
Then, subtract 28 from 18. 28 - 18 = 10
Lastly, subtract 10. 10 - 10 = 0
Therefore,
The answer is 0. <em>Product may vary depending on value assigned to x.</em>
Answer:
x =
Step-by-step explanation:
By applying tangent rule in the given triangle,
tan(60°) =
x =
Therefore, answer will be,
x =
Answer:
<h2>h = 12</h2>
Step-by-step explanation:
To find the value of h use the formula for finding the slope of a line
That's
Where ( x1, y1) and (x2 ,y2) are the points
From the question
slope = - 3
The points are [4,-9] and [-3,h]
Substitute these values into the equation
We have
Cross multiply
That's
- 3(-7) = h + 9
21 = h + 9
h = 21 - 9
We have the final answer as
<h3>h = 12</h3>
Hope this helps you
Answer:
p(t) = 25 + 5t if t ≤ 12
p(t) = 100 if t > 12
Step-by-step explanation:
Given
1. When time is not more than 12 hours.
Base amount = P25
Additional = P5 per hour
2. When time is more than 12 hours
Fee = P100 one time payment
Represent (1) as a function of t.
p(t) = Base Amount + Additional * t
p(t) = 25 + 5 * t
P(t) = 25 + 5t --- when t ≤ 12
Represent (2) as a function
P(t) = 100 ---- when t > 12
So, the complete function is
p(t) = 25 + 5t if t ≤ 12
p(t) = 100 if t > 12
If you would like to know how much time does Elke spend on the weights, you can calculate this using the following steps:
3/4 hour = 3/4 * 60 minutes = 45 minutes on the bikes
1/5 hour = 1/5 * 60 minutes = 12 minutes
12 minutes less than 45 minute: 45 - 12 = 33 minutes on the weights
The correct result would be 33 minutes.