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grigory [225]
3 years ago
12

Pls help me with this I’ll really appreciate it

Mathematics
1 answer:
nlexa [21]3 years ago
3 0

Answer:

factor completely to get 4x squared plus 8x minus 3 like how x plus 2 and x plus 8 are. Look on KhanAcademy

Step-by-step explanation:

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Cost to store= $162 markup= 40%
Komok [63]
162 × 1.40

new price = 226.8
6 0
3 years ago
What is 2/4 I need help with this question pls
Over [174]
What do you mean? 
2/4 equals 1/2
2/4 equals 0.5
2/4 equals 50%
4 0
3 years ago
Read 2 more answers
What is the area of the largest rectangle with lower base on the x-axis and upper vertices on the curve y = 27 - x2?
statuscvo [17]
The answer is 54 square units.
let the vertex in quadrant I be (x,y) 
<span>then the vertex in quadratnt II is (-x,y) </span>
<span>base of the rectangle = 2x </span>
<span>height of the rectangle = y </span>
<span>Area = xy </span>
<span>= x(27 - x</span>²<span>) </span>
<span>= -x</span>³<span> + 27x </span>
<span>d(area)/dx = 3x</span>²<span> - 27 </span><span>= 0 for a maximum of area </span>
<span>3x</span>²<span> = 3 x 3</span>² = <span>27 </span>
<span>x</span>²<span> = 9 </span>
<span>x = ±3 </span>
<span>y = 27-9 = 18 </span>
So, the largest area = 3 x 18 = 54 square units
5 0
3 years ago
Read 2 more answers
Help <br> Please help me
Salsk061 [2.6K]

Answer:

I think that the answer's B

6 0
3 years ago
Determine the promotional price of each item at each store
MAXImum [283]

Answer:

Step-by-step explanation:

Original price of the music box = $80

Price after 20% discount = Original price - discount

                                         = 80 - 20% of 80

                                         = 80 - (\frac{20}{100}\times 80)

                                         = 80 - 16

                                         = $64

Price after 40% discount = 80 - 40% of $80

                                         = 80 - 32

                                         = $48

Original price of A faux Ming vase = $60

Price after 20% discount = Original price - discount

                                         = 60 - 20% of $60

                                         = 60 - 12                                    

                                         = $48

Price after 40% discount = Original price - discount

                                         = 60 - 40% of 60

                                         = 60 - 24

                                         = $36

8 0
3 years ago
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