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Vika [28.1K]
2 years ago
14

9-4 skills practice solving quadratic equations by completing the square

SAT
1 answer:
Len [333]2 years ago
5 0

Answer:

By doing it only once

Explanation:

To find the roots of the equation we can simply use the quadratic formula but in certain cases like finding domain/range of a function in the form  ax2+bx+c  , converting it to  a(x+d)2+e  makes it simpler to solve as x appears only once.

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Answer:

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3 years ago
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A technology store sells tablets and
IRINA_888 [86]

The combination that could be the total sales would be 360 tablets and 180 computers.

<h3>Total sales</h3>

Over 300 total sales were made in January

100 tablets and 20 computers were sold in February.

This means that total sales would be: (300+) 100 + 20 = 420+

Only options B and C have 420+ total sales.

But, there are more tablet sales than computers.

Thus, we are left with only option B

More on total sales can be found here: brainly.com/question/14119360

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5 0
2 years ago
How can i graph the equation using the slope and the y intercept y=7/4x+2
Lelu [443]

Since you already have the equation, all you need to do is pick two values of x.

For example, when x = 0, you get y = 7/4(0) + 2 = 2. So the line passes through the point (0, 2). When x = 4 (picked to cancel the 4 in the fraction), you get y = 7/4(4) + 2 = 9, so the line also passes through the point (4, 9).

You can describe an entire line by any two points that it contains. So plot these two points, then connect the dots with a line passing through them both.

3 0
3 years ago
Evaluation of a respiratory symptom diary for clinical studies of idiopathic pulmonary fibrosis
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Idiopathic pulmonary fibrosis is a chronic, deadly condition that causes a steady loss in lung function.

The phrase pulmonary fibrosis refers to lung tissue scarring and is the cause of worsening dyspnea (shortness of breath). Fibrosis is commonly connected with a dismal prognosis.

<h3>What are the symptoms for Idiopathic pulmonary fibrosis?</h3>

The following are some of the primary symptoms of Idiopathic pulmonary fibrosis:

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Learn more about Idiopathic pulmonary fibrosis:

brainly.com/question/14732029

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2 years ago
Why is it necessary for us to compute your purchases
Dafna11 [192]

It is important to calculate discounts independently to ensure that each discount is applied to the price of each product. ... It is also important to calculate them to know the real total price of the purchase you are going to make.

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2 years ago
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