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Scilla [17]
3 years ago
10

How can you use rates to determine whether a situation is a proportional relationship?

Mathematics
1 answer:
Vinvika [58]3 years ago
3 0
Compare corresponding values of the variables to determine whether there is constant rate.
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2) 2(8r + 5) = 24 + 9r
Anna35 [415]

Answer:

r = 2

Step-by-step explanation:

2(8r + 5) = 24 + 9r

16r + 10 = 24 + 9r

16r - 9r = 24 - 10

7r = 14

r = 2

4 0
3 years ago
PLEASE HELP PRE CAL!!
Len [333]

Answer:

Width = 2x²

Length = 7x² + 3

Step-by-step explanation:

∵ The area of a rectangle is 14x^{4}+6x^{2}

∵ Its width is the greatest common monomial factor of 14x^{4} and 6x²

- Let us find the greatest common factor of 14 , 6 and x^{4} , x²

∵ The factors of 14 are 1, 2, 7, 14

∵ The factors of 6 are 1, 2, 3, 6

∵ The common factors of 14 and 6 are 1, 2

∵ The greatest one is 2

∴ The greatest common factor of 14 and 6 is 2

- The greatest common factor of monomials is the variable with

   the smallest power

∴ The greatest common factor of x^{4} and  x² is x²

∴ The greatest common monomial factor of  14x^{4} and 6x² is 2x²

∴ The width of the rectangle is 2x²

To find the length divide the area by the width

∵ The area = 14x^{4}+6x^{2}

∵ The width = 2x²

∴ The length = ( 14x^{4}+6x^{2}) ÷ (2x²)

∵  14x^{4} ÷ 2x² = 7x²

∵ 6x² ÷ 2x² = 3

∴ ( 14x^{4}+6x^{2}) ÷ (2x²) = 7x² + 3

∴ The length of the rectangle is 7x² + 3

8 0
3 years ago
EASYYY QUESTIONNN . What is the value of X?
Flauer [41]
I guess it s 30 irdk

 hope tis helps :D
6 0
3 years ago
Can anyone help out im a little confused.
Shtirlitz [24]

Answer:

4 {q}^{3}  \times 9 {q}^{4}

36 {q}^{7}

7 0
3 years ago
Read 2 more answers
Is a rectangle a parallelogram yes or no explain your answer
Anastaziya [24]
Yes, a rectangle is a parallelogram. This is because it has four sides and the opposite sides are parallel. 
4 0
3 years ago
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