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2 years ago

Solve these algebraic expression and make it them into one simplified expression

Mathematics

1 answer:

Neporo4naja [7]2 years ago

8 0

Step-by-step explanation:

Equation 1

$\frac{xy}{5}-\frac{1}{x}\\\\ by\ taking\ LCM \\\\ \frac{x^2y-5}{5x}$

Equation 2

$\frac{ac}{5}+\frac{4}{c} \\\\ by\ taking\ LCM \\\\ \frac{ac^2+20}{5c}$

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A chef cooks 9 lbs of chicken for 36 people and 17 lbs of chicken for 68 people

Anastaziya [24]

Answer:

$\frac{1}{4} lbs/person$

Step-by-step explanation:

Here is the complete question: Find the rate of change for the situation:

A chef cooks 9 lbs of chicken for 36 people and 17 lbs of chicken for 68 people.

Given: 1st situation, A chef cook 9 lbs chicken for 36 people.

2nd situation, chef cook 17 lbs chicken for 68 people.

∴ 1st situation, weight of chicken per person= $\frac{9\ lbs}{36\ person} = \frac{9}{36}$

Weight of chicken per person= $\frac{1}{4} lbs/ person$

2nd situation, weight of chicken per person= $\frac{17\ lbs}{68\ person} = \frac{17}{68}$

Weight of chicken per person= $\frac{1}{4} lbs/ person$

In both the situation chef cook same amount of chicken per person, which is $\frac{1}{4} lbs/ person$

∴ Rate of change is $\frac{1}{4} lbs/ person$

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2 years ago

209 divided by 3 estimate

SpyIntel [72]

Answer:

The quotient is estimated to be 69.

Other:

Brainliest? Thanks!

7 0

2 years ago

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Simplify. 4−8÷2+3 help lol

Musya8 [376]

Answer:

we start with -8 divided by 2 because of PEMDAS

we now have -4

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Step-by-step explanation:

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2 years ago

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Your car cost $42,500 when you purchased it in 2015. The value of the car decreases by 15% annually. How much is your car going

Vika [28.1K]

Answer:
$16,028.85

Working out:
(On calculator) 42,500 x 0.85^6

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3 years ago

Find the original price of a salt lamp that is $76 after a 20% discount.

makvit [3.9K]

Answer:

$76 x 1.20 = $92

$92 / 1.20 = $76

To keep and show decimals we divide 20 by 100 to show 1.02 then show any 2 placement decimals if none are shown in draft first then you can try in draft 20/1000 to see the difference between the decimals.

Step-by-step explanation:

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3 years ago