All cell phone plans from Mobile USA require an additional $10/month data fee on top of the base plan price.

Mathematics

1 answer:

Natasha2012 [34]2 years ago

4 0

Answer:

Step-by-step explanation:

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Mary,Tom,Sophia & Isaac share minutes on their cell phone plan. Mary used 1/4 of the minutes,Tom used 0.5 of the minutes,and

nataly862011 [7]

Hello there! So, 1/4 is equivalent to 0.25, which is 25% in percent form. 0.5 is 50% and 0.2 is 20% in percent form. 50 + 20 + 25 is 95. 100 - 95 is 5. Issac can use 5% of the minutes on the cell phone plan. The answer is D: 5%.

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3 years ago

Robin can clean 72 rooms in 6 days how many rooms can robin clean in 9 days

galben [10]

Hello!

Robin can clean 72 rooms in 6 days. How many rooms can Robin clean in 9 days?

We have a proportional magnitude (directly proportional), if we increase the number of days for cleaning, obviously we will have more rooms cleaned, then:

clean rooms __________ days

72 ----------------------------------- 6

y ------------------------------------- 9

$\dfrac{72}{y} = \dfrac{6}{9}$

multiply the means by the extremes

$6*y = 72*9$

$6\:y = 648$

$y = \dfrac{648}{6}$

$\boxed{\boxed{y = 108}}\Longleftarrow(clean\:rooms)\end{array}}\qquad\checkmark$

Answer:

108 clean rooms in 9 days

________________________

I Hope this helps, greetings ... Dexteright02! =)

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2 years ago

What is the probability of tossing a penny and landing on heads 3 times in a row

Rasek [7]

Answer:

Suppose you have a fair coin: this means it has a 50% chance of landing heads up and a 50% chance of landing tails up. Suppose you flip it three times and these flips are independent. What is the probability that it lands heads up, then tails up, then heads up? So the answer is 1/8, or 12.5%.

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2 years ago

?????????????? anyone

Keith_Richards [23]

Answer:

(6 + 3/n) -8

Step-by-step explanation:

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2 years ago

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X + y =7<br>x - y= 1<br><br>find X and Y

Lena [83]