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FrozenT [24]
2 years ago
9

Try and message me the answers if you can, also make sure to write it if you were in middle school not college.

Mathematics
1 answer:
Llana [10]2 years ago
6 0

Following attachment has ur answer.

Please mark as brainliest.

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A fridge costs €336 after a price increase of 40%. what was the original price
Mazyrski [523]

the original cost is "x", which is the 100% of the original price, and we also know that €336 is its price increased by 40%, namely 100% + 40% = 140%, so

\begin{array}{ccll} amount&\%\\ \cline{1-2} x & 100\\ 336& 140 \end{array} \implies \cfrac{x}{336}~~=~~\cfrac{100}{140} \\\\\\ \cfrac{x}{336}=\cfrac{5}{7}\implies 7x=1680\implies x=\cfrac{1680}{7}\implies x=240

5 0
2 years ago
certain electronics manufacturer found that the marginal cost C to produce x DVD/Blu- ray players can be found using the equatio
AleksAgata [21]

Answer:

242.

Step-by-step explanation:

C = 0.03 x 2 − 8 x + 700

When the marginal cost = $522 we have:

522 = 0.03 x 2 − 8 x + 700

0.03x^2 - 8x + 700 - 522 = 0

0.03x^2 - 8x + 178 = 0

Using the quadratic formula:

x =  [ -(-8) +/- sqrt( 64 - 4 * 0.03 * 178)] / 0.06

= 8 +/- sqrt42.64 / 0.06

= 242  players.

8 0
3 years ago
I need help on this ASAP!!
Solnce55 [7]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
X^2-9x=x-9 solve by factoring
lbvjy [14]
(x-1)(x-9)
Hope this helps
8 0
2 years ago
At parks elementary hot sandwiches are served on Mondays and Thursdays tacos on Tuesdays and salads on Wednesday’s if pizza was
Dimas [21]

Answer: Friday


Step-by-step explanation: If you had hot sandwiches, tacos, and salad on every day of the week except for Friday, then pizza would be served on Friday. Hope this helped!


4 0
3 years ago
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