1 year ago

Need a little help here

Mathematics

1 answer:

Inessa05 [86]1 year ago

4 0

Answer:

1) no

2)yes

3)yes

4)yes

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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2 years ago

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What constant do you need to add to each quadratic to complete the square?

babunello [35]

Answer:

1. 4

2. 16

3. 9

Step-by-step explanation:

Completing the square requires a quadratic in $ax^2+bx=c$ form. Once in this form, calculate $(\frac{b}{2})^2$ .

1. $(\frac{b}{2})^2=(\frac{-4}{2})^2=4$

2. $(\frac{b}{2})^2=(\frac{-8}{2})^2=16$

3. Requires you divide everything by 3 first.

$\frac{3x^2+18x}{3} =\frac{249}{3} \\x^2+6x=81$

$(\frac{b}{2})^2=(\frac{6}{2})^2=9$

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2 years ago

3. Andrew wants to buy exercise equipment that costs $140 and the

sertanlavr [38]

Answer:

Step-by-step explanation:

just trust me

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2 years ago

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Which transformation maps the pre-image to the image?

Ede4ka [16]

Answer:

Reflection

Step-by-step explanation:

Because reflecting yourself in a mirror means pre image to image

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2 years ago

What is the solution to 9x−6<21?

OverLord2011 [107]

Answer:

x < 3

Step-by-step explanation:

Solve it like a normal equation

Isolate the variable along with its constant

9x - 6 + 6< 21 + 6

9x < 27

Isolate the variable its self

9x/9 < 27/9

x < 3

<h2>REMEMBER : ONLY FLIP THE INEQUALITY SIGN WHEN <u>MULTIPLYING</u> OR <u>DIVIDING</u> BY A <u>NEGATIVE NUMBER</u></h2>

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2 years ago