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Rashid [163]
3 years ago
9

Jasmine is traveling at 45 miles per hour. At that same rate, how long will it take her to travel 135 miles?

Mathematics
2 answers:
mina [271]3 years ago
7 0
45\ miles\ per\ 1\ hour\\
135\ miles\ per\ x\ hours\\\\
making\ proportion:\\
45-1\\
135-x\\\\
cross\ multiplication\\\\
45x=135\ \ \ | divide\ by\ 45\\\\
x=3\\\\
It\ will\ take\ 3\ hours.
anygoal [31]3 years ago
3 0

Answer:


45\ miles\ per\ 1\ hour\\
135\ miles\ per\ x\ hours\\\\
making\ proportion:\\
45-1\\
135-x\\\\
cross\ multiplication\\\\
45x=135\ \ \ | divide\ by\ 45\\\\
x=3\\\\
It\ will\ take\ 3\ hours.

Step-by-step explanation:


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the temper ire of chicken soup is 192.7 F as it cools the temperature of the soup decreases 2.3 what is the temperature of the s
ad-work [718]

The temperature of soup after 25 minutes is 135.2^{\circ}\ F

<em><u>Solution:</u></em>

The temperature of chicken soup is 192.7°F

As it cools, the temperature of the soup decreases 2.3°F per minute

Let the initial temperature be T_0

Let "t" be the time for rate of decrease

Set up an equation

Temperature = Initial temperature - decrease in temperature

Decrease in temperature = rate of decrease x time

Therefore,

T = T_0-2.3t

<em><u>To find the temperature of soup after 25 minutes, substitute t = 25</u></em>

T = 192.7 - 2.3 (25)\\\\T = 192.7 -57.5\\\\T = 135.2

Thus the temperature of soup after 25 minutes is 135.2^{\circ}\ F

5 0
3 years ago
Jina wanted to study how the area of a rectangle changes with the length if it’s width is fixed. She computed the areas of sever
olganol [36]

Answer:

The domain and the range of the function are, respectively:

Dom\{f\} = [0\,m,5\,m]

Ran\{f\} = [0\,m^{2}, 10\,m^{2}]

Step-by-step explanation:

Jina represented a function by a graphic approach, where the length, measured in meters, is the domain of the function, whereas the area, measured in square meters, is its range.

Dom\{f\} = [0\,m,5\,m]

Ran\{f\} = [0\,m^{2}, 10\,m^{2}]

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3 years ago
An urn contains 8 pink and 5 red balls. Six balls arerandomly drawn from the urn in succession, with replacement.That is, after
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0.088

Step-by-step explanation:

The total number of balls in the urn is;

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Because the pink balls are 8, then the probability of picking a pink ball from the urn is;

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To get the probability that all 6 balls drawn from the urn are pink, we will use the AND probability rule of the mutually exclusive events which means we’ll multiply the probabilities of each of the six pink balls;

8/12 * 8/12 * 8/12 * 8/12 * 8/12 * 8/12

= 0.088

Learn More:

For more on probabilities check out;

brainly.com/question/11248705

brainly.com/question/1177537

#LearnWithBrainly

6 0
3 years ago
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