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spin [16.1K]
3 years ago
10

Describe two real-world quantities that have a proportional linear relationship. Explain how you could change the situation to m

ake the relationship nonproportional.
Mathematics
1 answer:
iVinArrow [24]3 years ago
5 0

Answer:

Proportional: Mike, a plumber charges $5 per hour for his service.

Non-proportional: Mike charges a initial cost of $10 plus $3 for each hours of service.

Step-by-step explanation:

Let us assume that Mike, a plumber charges $5 per hour for his service.

So, the number of hours (h) of service and the total charge (C) are proportional, which is  

C(h) = 5h ....... (1)

If the condition changes like, Mike charges an initial cost of $10 plus $3 for each hour of service.

Here, the equation that models the situation is  

C(h) = 10 + 3h .......... (2)

Now, relation (1) is non-proportional.  (Answer)

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Which of the following is a solution of y + x < -5?
dedylja [7]

Answer:

(-4, -2)

Step-by-step explanation:

To find if a point is a solution (or verifies) an inequation (or an equation), you simply have to enter the given values in it and see if it's true.

Let's try with all the 4 given choices:

(-4, -2)  

y + x < -5

-4 - 2 < -5

-6 < -5 TRUE

(-3, -2)

y + x < -5

-3 - 2 < -5

-5 < -5 FALSE

(-2, -3)

-2 - 3 < -5

-5 < -5 FALSE

(-1, -3)

-1 - 3 < -5

-4 < -5 FALSE

6 0
3 years ago
Nalani says the expression 2+5x cannot be factored using the GCF. Is she ​correct? Explain why or why not
serious [3.7K]
The correct answer would be D, because there’s no other leading common factors between the two besides one.
5 0
2 years ago
Read 2 more answers
A map that was created using a scale of 1 inch : 3 miles shows a lake with an area of 18 square inches. what is the actual area
Dmitrij [34]

Answer: The area of the lake is actually 182 square miles 1 inch represents one side 3 miles long the other side is also 3 miles. 3×3=9 square miles. 1 Square Inch on the map represents 9 Square Miles.

Step-by-step explanation: If the area on the map is 18 square inches, and each square inch represents 9 square miles, multiply 18×9=182 to get the area of that big lake.

4 0
3 years ago
Read 2 more answers
Solve the inequality 171&gt;-6x and graph the solution what does the graph look like
krok68 [10]

To solve the inequality, you need to isolate/get x by itself:

171 > -6x    Divide -6 on both sides [dividing/multiplying a negative number on

-28.5 < x      [dividing/multiplying a negative number in an inequality causes the sign (<, >, ≤, ≥) to flip]

-28.5 < x    [x is a number greater than -28.5]

So your graph should have an open circle at -28.5 (the first small line next to -28), and the arrow pointing to the right since x is greater than -28.5 (increasing)      The 1st option is your answer

[use the o---> and put it at -28.5]

7 0
3 years ago
Choose the product. -6p3(3p2 + 5p - 1) -18p5 - 30p4 + 6p3 -18p6 - 30p3 - 6p 18p3 + 6p2 - 30p4 -18p6 - 24p3
wlad13 [49]
-6p^3(3p^2 +5p -1) = -18p^5 -30p^4 +6p^3

so this is the right answer sure 
7 0
3 years ago
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