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pychu [463]
3 years ago
8

Use completing the square to rewrite y=x^2+4x-13 in vertex form. Identify the maximum or minimum value.

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
4 0
Use the formula of completing the square. It is minimum value because the a is in positive. Hope this help!

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10/13 = 8 - 2z/52 Thats the question. Im dyin for help. :)
svp [43]

Answer:

z = 188

Step-by-step explanation:

1. 10/13 = 8 - 2z/52 (simplify - 2z/52)

10/13 = 8 (- 1/26)*z

2. 10/13 = (- 1/26)*z + 8 (flip for ease in solving)

(- 1/26)*z + 8 = 10/13

3. (- 1/26)*z + 8 = 10/13 (inverse: subtract 8 from each side to isolate variable <em>z</em>)

(- 1/26)*z = 10/13 - (8*13)/(1*13)  (common denominator needed for add/subtract)

(- 1/26)*z = - 94/13 (simplify)

4. (- 1/26)*z = - 94/13 (inverse: multiply both sides by -26/1 to isolate variable <em>z</em>)

<h2>z = 188</h2>
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4 years ago
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Akimi4 [234]
You solve the (    ) and the result is divided <span>÷ 28 times 2</span>
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3 years ago
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__ years will be spent on sleeping and __ years will be spent on watching tv.
Contact [7]

Answer:

Sleeping looks to be at least 26 years and TV would be 9 years

Step-by-step explanation:

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Write a real world situation for y=1/20x
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Jimmy rides his bike to London. his average is speed is 1 mile every 20 minutes
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Which statement is correct?<br> A. a+0=0<br> B. a*0=1<br> C. a*1=1<br> D. a+1=1
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Answer:

I think it's c

Step-by-step explanation:

because  a*1=1

All of the other statements are incorrect because for one a+0=0 Only 0 can = 0

A*0=1? A number times 0 is always going to be zero

A+1=1? Only 0 is the only number that a number plus 0 is the same number

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3 years ago
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