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Maru [420]
3 years ago
15

An irregular parallelogram rotates 360 degrees about the midpoint of its diagonal. How many times does the image of parallelogra

m coincide with its preimage during the rotation
A. 2

B.4

C.6

D.8
Mathematics
1 answer:
Gelneren [198K]3 years ago
6 0
A is the answer to your question
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Can you please solve 1 and 2 for me please? This doesn't even feel like math, just a stupid riddle.​
kherson [118]

Answer:

1. Why does the graph not start at zero?

It doesn't start at zero because all ovens start at 350°(probably less, but normally 350°) and not zero degrees.

2. What does it mean when the graph flattens out?

When the graph flattens out, it means that the temperature doesn't increase nor decrease, but instead it remains the same.

6 0
4 years ago
A bucket that weighs 4 lb and a rope of negligible weight are used to draw water from a well that is 60 ft deep. The bucket is f
jonny [76]

Answer:

2580 ft-lb

Step-by-step explanation:

Water leaks out of the bucket at a rate of \frac{0.15 \mathrm{lb} / \mathrm{s}}{1.5 \mathrm{ft} / \mathrm{s}}=0.1 \mathrm{lb} / \mathrm{ft}

Work done required to pull the bucket to the top of the well is given by integral

W=\int_{a}^{b} F(x) dx

Here, function F(x) is the total weight of the bucket and water x feet above the bottom of the well. That is,

F(x)=4+(42-0.1 x)

=46-0.1x

a is the initial height and b is the maximum height of well. That is,

a=0 \text { and } b=60

Find the work done as,

W=\int_{a}^{b} F(x) d x

=\int_{0}^{60}(46-0.1 x) dx

&\left.=46x-0.05 x^{2}\right]_{0}^{60}

=(2760-180)-0[

=2580 \mathrm{ft}-\mathrm{lb}


Hence, the work done required to pull the bucket to the top of the well is 2580 \mathrm{ft}- \mathrm{lb}

4 0
3 years ago
What is the difference of the given values to the correct level of precision?
kari74 [83]

Answer: 16.31 L

22.108 L - 5.80 L = 16.308 L

The reason that the answer is only precise up to 2 decimals is because our least precise measurement goes as far as 2 decimals and you can only be as precise as your least precise measurement

8 0
3 years ago
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monitta
Step (1) is incorrect. To divide by a number means to multiply by the reciprocal. In step (1) they did not convert the polynomial into its reciprocal.
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The U.S. debt is <span>2352588178.82 greater than the average household</span>
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