3 years ago

Sally runs 3 miles a day how far will she Run in 3 days

Mathematics

2 answers:

ra1l [238]3 years ago

6 0

Answer:

9 miles

Step-by-step explanation:

3 x 3 = 9 miles per day

max2010maxim [7]3 years ago

5 0

Easy just multiply 3x3=9! Hope this helps

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Makovka662 [10]

Answer:

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Step-by-step explanation:

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3 years ago

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AURORKA [14]

Answer:

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3 years ago

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Mazyrski [523]

Answer:

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4 years ago

A plane set off to burbank at a speed of 215 mph.On the return flight of 13 hours, the plane cruised at 237 mph. How many hours

bearhunter [10]

It seems you need 2 equations:

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5 0

3 years ago

Given tanTHETA = -2 and pi/2 < THETA < pi; find cos2THETA.

Troyanec [42]

Answer:

D) $-\frac{3}{5}$

Step-by-step explanation:

Given

$tan\theta=-2,\:\frac{\pi}{2}$

Use identities

$cos(2\theta)=\frac{1-tan^2\theta}{1+tan^2\theta}\\\\cos(2\theta)=\frac{1-(-2)^2}{1+(-2)^2}\\\\cos(2\theta)=\frac{1-4}{1+4}\\ \\cos(2\theta)=-\frac{3}{5}$

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3 years ago