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3 years ago

15

Annika's flight to ottowa took 45min. The bus ride to the airport took 3 hours. Write a ratio to compare the time on the bus to

the time on the plane.

1 answer:

nekit [7.7K]3 years ago

6 0

Answer:

yellow to the max dont re port

Step-by-step explanation:

none dont

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4 years ago

PLEASE HELP SKJSDLFSKDJF

charle [14.2K]

45 min is 3/4 of an hour, 3/4 0f 40 km/h=30 km

75km/h x 2hr=150km

=180km

Total time:3hr

180kh/3hr=60km/h

sorry if im wrong

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3 years ago

When you use a photocopier to enlarge an image, the whole image becomes bigger by a certain percentage. In this problem, the big

frutty [35]

Answer:

1.6

Step-by-step explanation:

4.8/3= 1.6

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3 years ago

If C is the line segment from 7 3 to 0 0 find the value of the line integral C 4y2i xj dr

saul85 [17]

Parameterize $C$ by

$\mathbf r(t)=(x(t),y(t))=(1-t)(7,3)+t(0,0)=(7-7t,3-3t)$

where $0\le t\le1$ . Then

$\mathrm d\mathbf r=(-7\,\mathbf i-3\,\mathbf j)\,\mathrm dt$

and the line integral is equivalent to

$\displaystyle\int_C(4y^2\,\mathbf i+x\,\mathbf j)\cdot\mathrm d\mathbf r=\int_0^1(4(3-3t)^2\,\mathbf i+(7-7t)\,\mathbf j)\cdot(-7\,\mathbf i-3\,\mathbf j)\,\mathrm dt$
$\displaystyle=\int_0^1(-252t^2+525t-273)\,\mathrm dt=-\dfrac{189}2$

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3 years ago

In a dilation with a scale factor of 3/4 , the image is __________ the preimage.

madam [21]

In two similar geometric figures, the ratio of their corresponding sides is called the scale factor. <span>Note that if the </span>scale factor<span> is </span>less than 1<span>, </span>then<span>the image points are closer to the center of dilation to create an image smaller </span>than<span> the original. Therefore, option A.</span>

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3 years ago