Answer:
Option D. minimum value at −38
Step-by-step explanation:
we have

Let

Complete the square




------> equation of a vertical parabola in vertex form
The vertex is the point 
The parabola open upward-----> the vertex is a minimum
therefore
minimum value at −38
Using proportions, it is found that his DAILY RATE on that particular day is of Php 2,420
.
- This question is solved by proportions, using a <em>rule of three.</em>
- In a regular 8-hour day, Allen earns Php 1420. How much will he earn on a 14 hour day?
The <em>rule of three</em> is:
8 hours - Php 1420
14 hours - x
Applying cross multiplication:



The closest option is Php 2,420.
A similar problem is given at brainly.com/question/24372153
Answer:
(x−2)(x−4)
Step-by-step explanation:
Let's factor x2−6x+8
x2−6x+8
The middle number is -6 and the last number is 8.
Factoring means we want something like
(x+_)(x+_)
Which numbers go in the blanks?
We need two numbers that...
Add together to get -6
Multiply together to get 8
Can you think of the two numbers?
Try -2 and -4:
-2+-4 = -6
-2*-4 = 8
Fill in the blanks in
(x+_)(x+_)
with -2 and -4 to get...
(x-2)(x-4)
Hope this helps! Also, if it's no trouble, can I have brainliest? Thanks! :D
Answer:
x = 9.8
Step-by-step explanation:
to find x, use pythagorean theorem





⇒ 9.8
Answer:
220.5
Step-by-step explanation:
I am pretty sure
7 x 5 ÷ 2 = 17.5
12 x 14 = 168
Add them up to get 220.5
Formula of trapezoid:
Base 1 + Base 2 times height times half (basically dividing by 2)
Formula of parallelogram:
height times width