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3 years ago

Ashley bought 6 yds of ribbon for $5.28. What ratio is proportional to this?

Mathematics

2 answers:

lara31 [8.8K]3 years ago

6 0

My best guest would be A.

guajiro [1.7K]3 years ago

5 0

Answer:

Step-by-step explanation:

the answer is c

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anzhelika [568]

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3 years ago

In 2015 there were 759 laptops at lightning high school starting a 2016 the school box 75 more laptops at the end of each year t

nikdorinn [45]

Answer:

Step-by-step explanation:

Given the following :

Number of laptops in 2015 = 759

t(x) = 75x + 759 ; model to determine number of laptops at the school. X years after 2015.

Number of laptops in the school in 2020:

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4 years ago

Nine less than twice a number is 49.<br> What is the number?

ratelena [41]

Answer:

Step-by-step explanation:

Assume the number as x

2x - 9 = 49

2x = 58

x = 29

7 0

3 years ago

What is another number of pennies and total mass of pennies in grams if my number of pennies is 10 and the mass in grams is 25

Angelina_Jolie [31]

Answer:

1 penny is equal to 2.5 grams

Step-by-step explanation:

1 penny = 2.5 grams

2 pennies = 5.0 grams

3 pennies = 7.5 grams

Just add 2.5 grams every penny.

Pick any number of pennies and multiply it by 2.5 (Don't forget to add grams ( g ) at the end.

7 0

3 years ago

3x-7y=17 when x=-3,0,3

NeX [460]

$3x-7y=17\\-7y=17-3x\ \ \ \ |:(-7)\\y=-\frac{17}{7}+\frac{3}{7}x\\\\When\ x=-3:\\y=-\frac{17}{7}+\frac{3}{7}\cdot(-3)\\y=-\frac{17}{7}-\frac{9}{7}\\y=-\frac{26}{7}=-3\frac{5}{7}\\\\When\ x=0:\\y=-\frac{17}{7}+\frac{3}{7}\cdot0\\y=-\frac{17}{7}=-2\frac{3}{7}\\\\When\ x=3:\\y=-\frac{17}{7}+\frac{3}{7}\cdot3\\y=-\frac{17}{7}+\frac{9}{7}\\y=-\frac{8}{7}=-1\frac{1}{7}$

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3 years ago