3 years ago

Suppose milk is selling for 87.5¢ per litre. How many litres can you buy with $20?

Mathematics

1 answer:

lutik1710 [3]3 years ago

8 0

3 becuse you put the numbers wrong

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Kazeer [188]

Answer:

$\boxed{c = -17}$

Step-by-step explanation:

$= > 3 - 7c - 20c = 7( - 7c - 19) + 14c \\ \\ = > 3 - 27c = ( - 7c \times 7) - (7 \times 19) + 14c \\ \\ = > 3 - 27c = - 49c - 133 + 14c \\ \\ = > 3 - 27c = - 35c - 133 \\ \\ = > 3 - 27c + 35c = - 133 \\ \\ = > 3 + 8c = - 133 \\ \\ = > 8c = - 133 - 3 \\ \\ = > 8c = - 136 \\ \\ = > c = - \frac{136}{8} \\ \\ = > c = - 17$

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Step-by-step explanation:

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3 years ago

What is the value of x in the figure? (2x+15)°

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Answer:

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Find the slop-intercept form of the line whose slope is 5 and that passes through the point (-6,7).

Korvikt [17]

You know that the slope, m=5. You have a point (6,7) as (x,y). The slope-intercept form is y=mx+b. Plug in the number for x,y, and m, and then you would be able to find b using the slope-intercept form. Then rewrite the equation as y=5x+b, which you just found b.
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Ann purchased a prepaid phone card for 20$. Long-distance calls cost 12 cents a minute using this card. Ann used her card only o

Lorico [155]

27 minutes
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