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aniked [119]
2 years ago
9

You have $10 in your coin bank. Nickels (n) are worth $0.05, dimes (d) are worth $0.10, and quarters (q) are worth $0.25, each.

Which equation represents this situation?
Mathematics
2 answers:
kaheart [24]2 years ago
8 0
.05(n)+.10(d)+.25(q)=10
enyata [817]2 years ago
6 0

0.05(n) + 0.10(d) + 0.25(q) =10


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A direct variation function contains the points (-9, -3) and (-12,4). Which equation represents the function?
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Answer:

y = -\frac{7x}{3} - 24

Step-by-step explanation:

We can model this function using the equation of a line:

y = ax + b

Where a is the slope of the line and b is the y-intercept.

To find the values of a and b, we can use the two points given:

(-9, -3):

-3 = a * (-9) + b

-9a + b = -3

(-12, 4):

4 = a * (-12) + b

-12a + b = 4

If we subtract the second equation from the first one, we have:

-12a + b - (-9a + b) = 4 - (-3)

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-12a + b = 4

28 + b = 4

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So the equation is:

y = -\frac{7x}{3} - 24

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If abx-5=0 what is x in terms of a and b
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mojhsa [17]

Answer:

Number of rectangles  could alex draw with an area of 11cm² = 1

Step-by-step explanation:

Minimum length in centimeter grid = 1 cm

Alex is drawing rectangles with different areas on a centimetre grid.He can draw 3 different rectangles with an area of 12cm²

That is

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Now we need to find how many rectangles could alex draw with an area of 11cm².

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So only one factorization is possible.

Number of rectangles  could alex draw with an area of 11cm² = 1

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