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jeka94
4 years ago
11

List of reading his cell phone and monthly service please try and sell offers a new phone for $50 in unlimited service for a mon

thly fee of $40 cellular offers a new phone and unlimited service for a monthly fee of $50 after how many months will the cost of the two phones and monthly service bethe same
Mathematics
1 answer:
Shtirlitz [24]4 years ago
3 0

Answer:

After 5 months the cost of the two phones and monthly service be the same.

Step-by-step explanation:

1st service cost = $50 + $40x, where "x" represents the number of months

2nd service cost = $50x

Now we have to find the number of months the cost of the two phones and monthly service be the same.

Now we have to equivate and find the value of x.

50x = 50 + 40x

Subtracting 40x from both sides, we get

50x - 40x = 50 + 40x - 40x

10x = 50

Dividing both sides by 10, we get

x = 50/10

x = 5

After 5 months the cost of the two phones and monthly service be the same.

Hope you will understand the concept.

Thank you.


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ANSWER ASAP PLS..........
Korolek [52]

The length of one leg of the right triangle is 5√10

<h3>How to find the leg of a right triangle?</h3>

The leg of a right triangle can be found as follows;

Therefore, using trigonometric ratios,

sin 45 = opposite / hypotenuse

sin 45 = x / 10√5

1 / √2 = x / 10√5

cross multiply

10√5 = x√2

divide both sides by √2

x = 10√5 / √2

x = 10√5 / √2 × √2 / √2

x = 10√10 / 2 = 5√10

learn more on right triangle here: brainly.com/question/3398476

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8 0
2 years ago
Division number story with the answer 5/2
jek_recluse [69]

Answer:

I have one below (It's kind of simple though..)

Step-by-step explanation:

Harry Had 5 Potions he made in Potions Class. He would like to share the 5 potions with his 2 friends, Ron and Hermione. How many potions do they each get? Write the equation for how many each person gets in fractional form

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8 0
3 years ago
What is the simplified form of the ninth root of x times the ninth root of x times the ninth root of x times the ninth root of x
Ksivusya [100]
Since you are working with exponents and roots you would add the exponents together. The ninth root of x is equal to x^(1/9) and since you are using it four times your answer would be x^(4/9).
6 0
4 years ago
Read 2 more answers
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 120 months, with a
IrinaK [193]

Answer:

P(X<118.81)=0.0803

Step-by-step explanation:

Assuming the distribution for the mean life is approximately normal, with mean 120 months and variance 64 months^2, we can calculate the parameters for a sampling distribution with sample size = 89 computers.

The sampling distribution mean will be equal to the mean for a single computer:

\mu_{89}=\mu=120

The standard deviation will be adjusted by the sample size as:

\sigma_{89}=\sqrt{\sigma^2/n}=\sqrt{64/89}=\sqrt{0.719}=0.848

With these parameters, we can calculate the z-score for X=118.81.

z=\dfrac{X-\mu}{\sigma}=\dfrac{118.81-120}{0.848}=\dfrac{-1.19}{0.848}=-1.403

Then, the probability that the mean of a sample of 89 computers is less than 118.81 months is:

P(X

7 0
3 years ago
One line passes through the points (-6,0) and (-4,6) another line passes through the points (5,-2) and (8,7)
Julli [10]

Answer:

Parallel

Step-by-step explanation:

-y₁ + y₂\-x₁ + x₂ = m

\frac{2 + 7}{ -5 + 8}  =  \frac{9}{3}  = 3

\frac{0 + 6}{6 - 4}  =  \frac{6}{2}  = 3

Both <em>rate</em><em> </em><em>of</em><em> </em><em>changes</em><em> </em>[<em>slopes</em>] result in <em>three</em>, therefore both lines are parallel.

I am joyous to assist you anytime.

6 0
3 years ago
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