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3 years ago

20 POINTS AND BRAINIEST ANSWER

Mathematics

2 answers:

postnew [5]3 years ago

8 0

Answer:

The correct options are 1 and 3.

Step-by-step explanation:

It is given that x represents the number of small boxes and y represents the number of large boxes.

The post office has 10 small boxes and 9 large boxes in stock.

He needs at least 4 small boxes.

$4\leq x\leq 10$

He will buy no more than 15 boxes.

$6+9=15\leq 15$

$8+6=14\leq 15$

Therefore options 1 and 3 are correct.

$x+y\leq 15$

$7+10=17>15$

$9+8>15$

Therefore options 2 and 4 are incorrect.

yuradex [85]3 years ago

7 0

The correct answer is

8,6 & 6, 9

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Answer:

The table a not represent a proportional relationship between the two quantities

The table b represent a proportional relationship between the two quantities

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

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For C=20, D=8 ---> $k=\frac{8}{20}=0.40$

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the values of k are equal

therefore

There is a proportional relationship between the two quantities

The linear equation is equal to

$D=0.40C$

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