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Rama09 [41]
3 years ago
6

Explain how to determine the smaller of 0.24 and 0.3 using the number line.

Mathematics
1 answer:
ololo11 [35]3 years ago
3 0
0.24 is smaller than 0.3 because as you approach zero from the right, there's less distance from 0.24 to 0 than 0.3. Think of this in terms of limits.
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A store sells grape jelly in 16-ounces jars for $ 4.68. How much is the jelly per ounce?
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Answer:

.29 per ounce

Step-by-step explanation:

divided the cost by the amount

4.68/16

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Slope from two points: (4, 4) and (7, -2)
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Answer:

2

Step-by-step explanation:

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A line passes through the points (-6, 4) and (-2, 2). Which is the equation of the line?
cupoosta [38]

Answer:

\displaystyle y=-\frac{1}{2}x+1

Step-by-step explanation:

The equation of any line in slope-intercept form is:

y=mx+b

Being m the slope and b the y-intercept.

Assume we know the line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:

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\displaystyle m=\frac{2-4}{-2+6}=\frac{-2}{4}=-\frac{1}{2}

The equation of the line is, so far:

\displaystyle y=-\frac{1}{2}x+b

To calculate the value of b, we use any of the given points, for example (-6,4):

\displaystyle 4=-\frac{1}{2}(-6)+b

\displaystyle 4=3+b

Solving:

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The equation of the line is:

\boxed{\displaystyle y=-\frac{1}{2}x+1}

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a wildlife photographer photographs a crocodile and then paddles against a river current for 6 km. Then, hoping to photograph a
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<u>Time in the river:</u>

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<u>Time in the lake:</u>

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<u>The difference:</u>

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Solve for x to find the speed of the boat

<u>Multiply both sides by x(x - 2) to clear the fraction:</u>

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