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stepan [7]
3 years ago
13

John took a math test and got 19 out of 25 questions correct. What percent of the questions did he answer correctly ?. Single ch

oice.
66%

76%

24%​
Mathematics
2 answers:
rewona [7]3 years ago
6 0
He answered 76% of the questions correctly
Gnoma [55]3 years ago
4 0

Answer:

76%

Step-by-step explanation:

  • Start with the fraction \frac{19}{25}
  • Get the denominator to 100 by multiplying both the numerator ad denominator by 4
  • This will give you the fraction \frac{76}{100}
  • This can be turned into 76%
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A vehicle is traveling at a rate of 80 kilometers per hour. How many miles per hour is this?
Rudik [331]

Answer:

49.71 miles per hour

Step-by-step explanation:

The speed of the vehicle is at a rate of 80 kilometers per hour.

Convert km to miles.

80 kilometers = 49.7097 miles

The speed is approximately 49.71 miles per hour.

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4 years ago
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7 0
3 years ago
A city had population 67,255 on january 1, 2000, and its population has been increasing by 2935 people each year since then. A l
irina1246 [14]

We are given: On january 1, 2000 initial population   = 67,255.

Number of people increase each year = 2935 people.

Therefore, 67,255 would be fix value and 2935 is the rate at which population increase.

Let us assume there would be t number of years after year 2000 and population P after t years is taken by function P(t).

So, we can setup an equation as

Total population after t years = Number of t years * rate of increase of population + fix given population.

In terms of function it can be written as

P(t) = t * 2935 + 67255.

Therefore, final function would be

P(t) = 2935t +67255.

So, the correct option is d.P(t) = 67255 + 2935t.

4 0
3 years ago
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An Olympic swimming pool is 50 metres long by 25 metres wide. Rebecca draws a scale diagram of it to a scale of 1 cm to 5 m. How
evablogger [386]

Answer:

10

Step-by-step explanation:

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

scale of the drawing = original dimensions / dimensions of the scale drawing

Scaled length of the pool = 50 / 5 = 10cm

7 0
3 years ago
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