The equation for the given relation is a quadratic equation:

<h3>
How to write an equation for the given relation?</h3>
Here we have the relation:
D = {(x, y); (3, 9), (5, 25), (-2, 4), ...}
Notice that for each coordinate point, we can see that the output is equal to the square of the input:

Then the equation is just:

If you want to learn more about quadratic equations:
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Well I can use math in my daily life is when I want to build a house bird for example or even cook and follow a recipe that has math in it , example is the measuring cups , how much needs to go in and all that. Even when building a house you need to use math, or working at a cash register , to be able to count the money you need to give back to the person or take. Another example is music aswell because you need to follow the numbers when playing an instrument, not much music but yeah. And a few more examples ; Managing money $$$
Balancing the checkbook
Shopping for the best price
Preparing food
Figuring out distance, time and cost for travel
Understanding loans for cars, trucks, homes, schooling or other purposes
Understanding sports (being a player and team statistics)
Playing music
Baking
Home decorating
Sewing
Gardening and landscaping.
Hope I was able to help!
Answer:
2952 square centimeters are needed to cover the exterior of the box.
Step-by-step explanation:
We need to cover five external faces of the box. The surface area formula (
), measured in square centimeters, is derived from surface area formula for parallelpiped:
(1)
Where:
- Width, measured in centimeters.
- Length, measured in centimeters.
- Height, measured in centimeters.
If we know that
,
and
, then the outer surface area of the storage is:


2952 square centimeters are needed to cover the exterior of the box.
Answer:
a = 9.849
b = 20.25
c = 491.03
Step-by-step explanation:
By using Pythagoras theorem in the right triangle BDC,
(Hypotenuse)² = (Leg 1)² + (Leg 2)²
BC² = BD² + DC²
a² = 9² + 4²
a = 
a = 
a = 9.8489
a ≈ 9.849 units
By mean proportional theorem,

AD × DC = BD²
b × 4 = 9²
b = 
b = 20.25 units
BY Pythagoras theorem in ΔADB,
AB² = AD² + BD²
c² = b² + 9²
c² = (20.25)² + 9²
c² = 410.0625 + 81
c = 491.0625
c = 491. 063 units
what do you need help on ? LMFA O