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Romashka-Z-Leto [24]

2 years ago

13

An electronics store is selling car chargers for cell phones. The expense function is E = - 300p + 13, 000 and the revenue funct

ion is R = - 32p ^ 2 + 1, 200p. What would that maximum revenue be?

1 answer:

Brums [2.3K]2 years ago

5 0

Answer:

Wala akong pake kasi ndi naman ako marunong sa math

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Determine the number of solutions to the following system of equations. y=-3x^2-4x+7 and 3x+2y=18

siniylev [52]

Answer:

Step-by-step explanation:

y=-3x²-4x+7...(*)

3x+2y=18...(**)

use (*) put the value of y in (**) :

3x +2(-3x²-4x+7)=18

3x-6x²-8x +14 -18 = 0

-6x²-5x- 4 = 0

6x²+5x+4 = 0

delta = b² - 4ac a = 6 b=5 c =4

delta = 5² - 4(6)(4)= 25 -96= -71 negatif

so no reals solution

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2 years ago

Roger went on a 3-day hike. He walked 5 3/4miles on the first day, 7 1/6miles on the second day and 4 7/8miles on the third day.

trasher [3.6K]

I'm not a 100% on this, but I believe it is D.

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2 years ago

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Work out<br>1/8<br>of 760<br><br>please help

Mariana [72]

Answer: 95

Step-by-step explanation:

Think of 1/8 times 760 as 760/8 because it’s the same thing.

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2 years ago

Please help me! its due today! ill mark the first person to get this right most brilliance, and ill rate you 5 stars and thank u

Lady_Fox [76]

Whew chile thats math ?

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2 years ago

What is the area of a sector with a central angle of \frac{5 \pi }{6} radians and a diameter of 5.6 in.? Use 3.14 for π and roun

kvasek [131]

Answer:

10.26 in²

Step-by-step explanation:

The area (A) of the sector is

A = area of circle × fraction of circle

= πr² × $\frac{\frac{5\pi }{6} }{2\pi }$

= π × 2.8² × $\frac{5}{12}$ ≈ 10.26 in²

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2 years ago