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3 years ago

PLZZZ HELP ME W THIS QUESTION

Mathematics

1 answer:

Bogdan [553]3 years ago

5 0

Answer:

C. $68

Step-by-step explanation:

all of the original prices were marked down by 80% to get their sale prices.

$\frac{part}{whole} = \frac{part}{whole}\\\\\frac{80}{100} = \frac{x}{85} \\85 x 80 = 6,800\\6,800/100 = 68$

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The amount of time is takes dora to commute to work is always within 5 minutes of the average number of minutes the commute take

Maslowich

Answer:

The average time to commute to work is 25 minutes.

Step-by-step explanation:

If average time for Dora to commute to work is 5 mins. If she takes 45 mins to get to work then her overall average time to commute to work will change as the average consists of 2 or more figures. The average time to commute to work is 25 mins ((5+45)/2). The average of 5 mins and 45 mins is 25 mins. This is the overall average time she takes to commute to her work.

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3 years ago

a recipe for sweet potato pie calls for 3/4 cup of milk. Martina has 6 cups of milk. How many sweet potato pies can she make wit

hoa [83]

6 ÷ 3/4 = 6/1 ×4/3 = 24/3= 8... 8 sweet potatoe pies

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3 years ago

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( I'm new at functions ;_; )<br> What is the value of the function y = 2x + 3 ⁢when x=−1 ?

Natali [406]

Answer: y=1
Explanation: all you have to do is plug in “-1” where x is. So you get: y=2(-1) +3.
Simplify and you have -2+3 which is 1

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~ Luna

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3 years ago

Bryan and Jadyn had barbeque potato chips and soda at a football party. Bryan ate 3 oz of chips and drank 2 cups of soda for a t

Diano4ka-milaya [45]

Answer:

200 mg sodium is in 1 oz of chips and 50 mg sodium is in 1 cup of soda.

Step-by-step explanation:

Let x mg sodium is in 1 oz of chips and and y mg is in 1 cup of soda.

∵ Bryan ate 3 oz of chips and drank 2 cups of soda for a total of 700 mg of sodium.

i.e. 3x + 2y = 700 --------(1),

Jadyn ate 1 oz of chips and drank 3 cups of soda for a total of 350 mg of sodium.

i.e. x + 3y = 350 ---------(2),

Equation (1) - 3 × equation (2),

We get,

2y - 9y = 700 - 1050

-7y = -350

$\implies y = \frac{-350}{-7}= 50$

From equation (1),

3x + 2(50) = 700

3x + 100 = 700

3x = 700 - 100

3x = 600

$\implies x = \frac{600}{3}=200$

Hence, 200 mg sodium is in 1 oz of chips and 50 mg sodium is in 1 cup of soda.

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4 years ago

What’s is 13.75 of 2/5

ivanzaharov [21]

Answer:

5.5

Step-by-step explanation:

Of means multiply

13.75 * 2/5

27.5/5

5.5

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3 years ago

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