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11111nata11111 [884]
4 years ago
12

HELP ASAP!! (picture above)

Mathematics
1 answer:
lilavasa [31]4 years ago
5 0
To calculate minimum value, do -b/2a to get the x-value, and plug it in to get the y-value: 

-6/8 = -3/4

4 *  (-\frac{3}{4} )^{2} + 6 (-\frac{3}{4} ) - 18 =  \frac{9}{4} -  \frac{9}{2} - 18 =  - \frac{81}{4}

So the minimum value of g(x) is -81/4

This shows that g(x) has a lesser minimum value than f(x)


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makkiz [27]
Add 8 to both sides
-4a /5= 10
Multiply both sides by 5
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6 0
3 years ago
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A book seller gains 30% on the cost price by selling a book for $130.Calculate the cost price of the book.​
zlopas [31]

Answer:

Let the cost price be x

  • Selling price, S.P. = 130
  • Gain % = 30%

\rm{C.P. = \dfrac{S.P. \times 100}{100+ gain \% }}

\rm{C.P. = \dfrac{130 \times 100}{100+30}}

\rm{ C.P. = \dfrac{130}{30} }

\large{\boxed{\rm{ C.P. =  \dfrac{13}{3}}}}

6 0
2 years ago
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goldfiish [28.3K]

71614 is the answer, this can be found by simply solving this expression: 72000 - 386

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3 years ago
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Dima020 [189]

Answer:

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-negative-number-topic/cc-6th-coordinate-plane/a/graphing-coordinates-review

Graphing coordinates review (article) - Khan Academy

4 0
2 years ago
Can someone show me how to do this ? please :)) will award brainliest
sveticcg [70]

Answer:

x=16

Step-by-step explanation:

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2x-9/3x-2=1/2

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