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Karo-lina-s [1.5K]
2 years ago
10

What is the value of x over 20 = 5 over 8

Mathematics
1 answer:
gavmur [86]2 years ago
4 0

Answer:

x = 12.5

Step-by-step explanation:

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A music app charges $2 to download the app plus $1.29 per song downloaded. What is the correct equation?
alexandr402 [8]

Answer:

c = 1.29s + 2

Step-by-step explanation:

c represents the total cost

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2 represents the initial cost to download the app    

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2 years ago
If a₁ = 4 and an = 5an-1 then find the value of a5.
igor_vitrenko [27]

The value of a_{5} is 2500, when a_{1}=4 and 5a_{n-1}.

Given that, a_{1}=4 and 5a_{n-1}.

We need to find the value of a_{5}.

<h3>What is an arithmetic sequence?</h3>

An arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant.

Now, to find the value of a_{5} :

a_{2} =5a_{2-1}=5a_{1}=5 \times4=20

a_{3} =5a_{3-1}=5a_{2}=5 \times20=100

a_{4} =5a_{4-1}=5a_{3}=5 \times100=500

a_{5} =5a_{5-1}=5a_{4}=5 \times500=2500

Therefore, the value of a_{5} is 2500.

To learn more about arithmetic sequence visit:

brainly.com/question/15412619.

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5 0
2 years ago
Write each missing number 7+2=2+
Firdavs [7]
7+2=2+6 because 7+2=8 and 2+6 is = to 8 as well
5 0
3 years ago
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Miguel and Maria are washing the windows in their home. Together, they can complete the task in 1.5 hours. If Maria can wash win
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Answer:For this case, the first thing we must do is define variables.

x: amount of time Miguel uses to complete the task.

y: amount of time Maria uses to complete the task.

We write the system of equations:

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y = (1/2) x

Solving the system we have:

x = 40 minutes

y = 20 minutes

Answer:

it take her to wash them by herself about:

y = 20 minutes

Step-by-step explanation:

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the density of water at 4°c is known to be 1.00g/ML.if Annie experimentally found the density of water to be 0 9975g/ML. what wi
bija089 [108]

0.9975 / 1 - 1 = -0.0025 = -0.25%

5 0
3 years ago
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