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tangare [24]
3 years ago
5

“28 is 40% of what number?” i got 70, is that correct?

Mathematics
1 answer:
Vladimir79 [104]3 years ago
5 0

Answer:

70

You got it correct :)

Step-by-step explanation:

\frac{28}{y} =\frac{40}{100}

y × 40 = 100 × 28

40y = 2800

40y ÷ 40 = 2800 ÷ 40

y = 70

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Using the least number of coins how many quarters, dimes, nickels, and pennies to make $1.74
SpyIntel [72]

Let's use our largest amount (quarter) to see how many can fit evenly into 1.74.

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  • The most quarters that can fit into $1.74 is 6.

---Multiply $0.25 by 6 = $1.50

---Subtract $1.50 from $1.74 = $0.24

---We need to use the rest of the coins to fill up $0.24.

Now let's use our second largest amount (dime) to see how many can fit evenly into 0.24.

  • 0.24/0.10 = 2.4
  • The most dimes that can fit into $0.24 is 2.

---Multiply $0.10 by 2 = $0.20

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No nickels can fit into $0.04, because they are worth $0.05.

We can use our least amount (pennies) to fill in the $0.04 remaining.

Your answer is 6 quarters, 2 dimes, and 4 pennies.

4 0
3 years ago
313 people were surveyed in total. 183 of the people surveyed are from East Harlem and 130 people are from the Upper East Side.
borishaifa [10]

1. The percentage of people surveyed in East Harlem is 58.5%

2. The percentage of people surveyed in Upper East Side is 41.5%

From the question given above, the following data were obtained:

  • People surveyed in East Harlem = 183
  • People surveyed in Upper East Side = 130
  • Total people surveyed = 313

1. Determination of the percentage of people surveyed in East Harlem.

  • People surveyed in East Harlem = 183
  • Total people surveyed = 313
  • Percentage of East Harlem =?

Percentage of East Harlem = (people surveyed in East Harlem / Total) × 100

Percentage of East Harlem = (183/313) × 100

Percentage of East Harlem = 58.5%

2. Determination of the percentage of people surveyed in Upper East Side.

  • Percentage of East Harlem = 58.5%
  • Total percentage = 100%
  • Percentage of Upper East Side =?

Percentage of Upper East Side = (Total percentage) – (Percentage of East Harlem)

Percentage of Upper East Side = 100 – 58.5

Percentage of Upper East Side = 41.5%

Learn more about percentage:

brainly.com/question/14899205

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2 years ago
The domain for f(x) and g(x) is the set of all real numbers.
bija089 [108]
I am currently dong the same thing, if you go to symbolab.com then im pretty sure you'll be helped. ;)
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3 years ago
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tatuchka [14]

Answer: I not super sure, but I think you are supposed to put the equations on each side of the table. Your end result should be 2x to the second -5x-3.

Step-by-step explanation:

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2/4+2/4 or 1/2+1/2

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