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3 years ago

15$ is what percent of 240$

Mathematics

1 answer:

miskamm [114]3 years ago

5 0

15/240=0.0625=6.25%
Just divide the part by the whole

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The distance that an object falls from rest, when air resistance is negligible, varies directly as the square of the time that i

Amiraneli [1.4K]

Answer:

$\boxed{301865\:feet}$

Step-by-step explanation:

Let the distance be $d$ and the time be $t$ .

It was given that the distance, $d$ , varies directly as the square of the time $t$ , we write the proportional relation,

$d\propto t^2$ .

$\Rightarrow d=k t^2$ , where $k$ is the constant of variation.

It was also given that, $d=193,193$ , when $t=44$ .

$\Rightarrow 193193=k (44^2)$

$\Rightarrow 193193=1936k$

$\Rightarrow \frac{193193}{1936}=k$

$\Rightarrow k=99.79$

Now the equation of variation becomes;

$d=99.79t^2$

When, $t=55s$ , $d=99.79(55^2)$

$\Rightarrow d=99.79(3025)$

$d=301864.75$

The object will travel 301865 feet in 55 seconds.

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3 years ago

Find the value of x.<br> 101 x +29

iVinArrow [24]

Answer:

x = 50

Step-by-step explanation:

101 + (x + 29) = 180

130 + x = 180

x = 180 - 130

x = 50

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3 years ago

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A jet left Paris at the same time as a

Anni [7]

Answer:

The speed of the jet is 410 mph.

Step-by-step explanation:

The jet and the passenger plane flew in opposite directions.

Given that the passenger plane flew at a speed of 450 mph, then after 11 hours, the passenger plane will fly (450 × 11) = 4950 miles.

Again, given that after 11 hours the passenger plane and the jet are 9460 miles apart.

Therefore, in 11 hours the jet flew (9460 - 4950) = 4510 miles.

Hence, the speed of the jet is $\frac{4510}{11} = 410$ mph. (Answer)

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3 years ago

Jessica and her sister have a combined age of 47. Jessica is 5 years older than her sister. How old is Jessica

maw [93]

Let the sister be x years old.
Then Jessica is x + 5 years old.
Their ages add to 47.

x + x + 5 = 47

2x + 5 = 47

2x = 42

x = 21

x + 5 = 26

Jessica is 26, and her sister is 21.

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4 years ago

Blake has 2 hours between when he gets home from school and when he had to eat dinner. He spends one-fourth of this time doing h

NARA [144]

Answer:

150 minutes or 2 hours and 30 minutes

Step-by-step explanation:

One-fourth of 2 hours is 30 minutes. Multiply that number by 5 and you get 150 minutes or 2 hours and 30 minutes.

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15$ is what percent of 240$​

15$ is what percent of 240$