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Ksju [112]
2 years ago
5

Write a system of equations to describe the situation below, solve using any method, and fill

Mathematics
1 answer:
AleksAgata [21]2 years ago
4 0

The solution to the equation 5x + 8x = 55 and 10x + 2y = 40 is x = 3, y = 5

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent the first number and y represent the second number. Hence:

5x + 8x = 55   (1)

Also:

10x + 2y = 40    (2)

From the both equations:

x = 3, y = 5

The solution to the equation 5x + 8x = 55 and 10x + 2y = 40 is x = 3, y = 5

Find out more on equation at: brainly.com/question/2972832

#SPJ1

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y = -5/3x - 5 (Divide everything by 3)

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Which statements are true? Select the two correct answers.
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5.the square root is positive number lessthan 1 is beteween 0 and 1

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Answer:

Please check the explanation.

Step-by-step explanation:

We know the equation

y = kx

k = y/x

where k is the proportionality constant

so,

First ratio can be calculated as

Miles = 45

Hours = 3/4

The ratio = 45 / (3/4)

                = (45 × 4) / 3

                = 180/3

                = 60

Thus, the proportionality constant = 60

Thus, the remaining ratios can be calculated as:

The Pair (135, Hours)

135/Hours = 60

Hours = 135 / 60

           = 27/12

           = 9/4

           = 2.25

Thus, the pair is (135, 2.25)

The Pair (Miles, 3)

Miles/3 = 60

Miles = 60×3

         = 180

The Pair (90, Hours)

90/Hours = 60

Hours = 90 / 60

          = 3/2

          = 1.5

Thus, the complete table:

Miles           45           135           180             90

Hours           3/4          9/4           3                 3/2

Verification:

Miles / Hour =  45/(3/4) = 60

Miles / Hour = 135 / 2.25 =  60

Miles / Hour = 180 / 3 = 60

Miles / Hour  = 90 / 1.5 =  60      

8 0
2 years ago
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