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otez555 [7]
2 years ago
10

Solve by completing the square and hunt for twice the larger root. x^2-9x+3=0

Mathematics
2 answers:
photoshop1234 [79]2 years ago
8 0

Answer:

here is some answers and for you to understand it k

Step-by-step explanation:

Download pdf
Komok [63]2 years ago
7 0
This is the answer below

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Can some one help me plz??
Hitman42 [59]
The answer is C for this question
5 0
3 years ago
#9 Consider the expression 9x - 4b + 3. Select all of the statements below
devlian [24]

Answer:

Step-by-step explanation:

True:

- There are two variables

- 3 is the constant

- There are 3 terms in the expression

7 0
2 years ago
In​ 1990, the average math SAT score for students at one school was 498. Five years​ later, a teacher wants to perform a hypothe
mojhsa [17]

Answer:

A. Fail to reject the claim that the average math SAT score is 498 when in fact it is not 498.

Step-by-step explanation:

Type II Error:

A type II error happens when there is a non-rejection of a false null hypothesis.

In this question:

The null hypothesis is H0​:μ=498.

Since there is a type II error, there was a failure to reject the claim that the average math SAT score is 498 when in fact it is not 498, and thus, the correct answer is given by option A.

6 0
3 years ago
Mrinda has 24 CDs in her collection. of those CDs 10 are pop CDs
Serga [27]

what do you need to find out?

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The perimeter of a rectangle is
kondor19780726 [428]
<h3 /><h3>verified \: answer  \sqrt}</h3>

Equation for Perimeter of a rectangle: Perimeter = 2W + 2L

<h3>Defining the variables, let</h3>

<h3>Width = x</h3><h3>Length = 2x+3 (3 more than twice the width)</h3>

<h3>Plugging everything into the equation</h3>

<h3>30= 2(x) + 2(2x+3) using the distributive property,</h3>

<h3>30=2x+4x+6 combining like terms</h3>

<h3>30=6x+6 subtracting 6 from both sides,</h3>

<h3>24=6x divide both sides by 6</h3>

<h3>4=x This means that the width is 4 m.</h3>

<h3>To get the length, use the expression L=2x+3 and plug in x = 4 that was already solved for</h3>

<h3>L=2(4)+3</h3>

<h3>L=8+3 = 11 m</h3>

<h3>So the dimensions of the rectangle are width is 4 m and length is 11 m.</h3>

8 0
3 years ago
Read 2 more answers
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