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lakkis [162]
2 years ago
11

how does cancelling work when dividing fractions and mixed numbers? why is it not necessary to cancel 1&7

Mathematics
1 answer:
myrzilka [38]2 years ago
4 0
Are you sure you cancel out as seen on your paper? Because I would have said 2 4/7 was answer which is not the same as answer when you canceled out
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Clarissa sells handmade bracelets for each. The graph below shows her profits after expenses.
ser-zykov [4K]
Answer:

It represents how many bracelets she sold and the profit she makes from it.
3 0
3 years ago
Each edge of a cube is f feet long. if v is the volume of the cube , write an equation relating f and v.
nevsk [136]
We know, volume of a Cube = Edge³

In short, Your Equation would be: v = f³

Hope this helps!
5 0
3 years ago
John can jog twice as fast as he can walk. He was able to jog the first mile to his grandmas house but then he got tired and wal
statuscvo [17]

Answer:

  12 mph

Step-by-step explanation:

The relationship between jogging speed and walking speed means the time it takes to walk 4 miles is the same as the time it takes to jog 8 miles. Then the total travel time (0.75 h) is the time it would take to jog 1+8 = 9 miles. The jogging speed is ...

  (9 mi)(.75 h) = 12 mi/h . . . average jogging speed

__

<em>Check</em>

1 mile will take (1 mi)/(12 mi/h) = 1/12 h to jog.

4 miles will take (4 mi)/(6 mi/h) = 4/6 = 8/12 h to walk.

The total travel time is (1/12 +8/12) h = 9/12 h = 3/4 h. (answer checks OK)

_____

<em>Comment on the problem</em>

Olympic race-walking speed is on the order of 7.7 mi/h, so John's walking speed of 6 mi/h should be considered quite a bit faster than normal. The fastest marathon ever run is on the order of a bit more than 12 mi/h, so John's jogging speed is also quite a bit faster than normal. No wonder he got tired.

7 0
3 years ago
Which term best describes the association between variables A and B?
dimulka [17.4K]

Answer: Choice B) negative linear association

=================================

Reasoning:

The points all go downhill as you move from left to right. We can draw a straight line that is fairly close to all of them. This is known as the regression line. The regression line having a negative slope tells us the linear association is negative. This means the correlation coefficient r is negative, so, -1 < r < 0 (r = -1 is not possible as not all points fall on the same straight line)

4 0
3 years ago
What is the slope of the line that is parallel to the y-dis and passes through the point (-1, 5)?
Luden [163]
Assuming that says "y-axis", the slope of any line going straight up and down has a slope of 0 and is defined by its x value (i.e. x = -1)
8 0
3 years ago
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