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Marina CMI [18]
2 years ago
15

The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown.

Mathematics
1 answer:
kherson [118]2 years ago
3 0

Answer:

Completing the square.

Step-by-step explanation:

ax2 + bx + c has "x" in it twice, which is hard to solve.

But there is a way to rearrange it so that "x" only appears once. It is called Completing the Square

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Three pounds of lawn seed covers 1800 square feet. How many 4 pound bags are needed to cover 8400 square feet?
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2 years ago
Describe the relationship between the temperature and the coffee sales.
Levart [38]

The relationship between temperature and the coffee sales is a negative exponential of temperature

<h3>

What is relation?</h3>

relation is subject of order between to sets or how the connected to each other.

The temperature of liquid is essential in the  process of brewing because its affects the rate of evaporation or extraction. it refers to the test and matters that are dissolved from the coffee beans. The hot is the water, the quick it is to extract. At a high temperature, it’s tougher to control the rate of extraction. This can lead to over-evaporation of liquid, making your coffee taste too bitter since the heat strips away a lot of oxygen.

since the temperature varies over the year, which implies the taste of coffee also vary in a manner that in cold days people love coffees and in hotter days the people love to drink cold drinks instead of coffees
so in cold days the sales of coffees is grater in comparison with hot days

Thus the relationship between the sales of coffees and temperature is negative exponential of temperature.

Learn more about relation here:
brainly.com/question/15395662

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3 0
2 years ago
What value of x makes this proportion true? 36/48 = x/24
ruslelena [56]

Answer:

18

Step-by-step explanation:

18/24 is a 1/2 reduction from 36/48.

3/4 is simplest form.

8 0
2 years ago
Joe went to the store and bought 4 cans of peanuts for $7.80 .What is the constant of proportionality? (explain what you do to s
Irina-Kira [14]

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84

Step-by-step explanation:

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3 years ago
Which of the following is a cost homeowners insurance does not protect
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-C... I just saw it on Quizlet
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