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3 years ago

PLEASE HELP AND KNOW YOU ARE CORRECT BEFORE ANSWERING PLEASE AND THANK YOU.

Mathematics

1 answer:

swat323 years ago

8 0

Answer:

Both are false

Step-by-step explanation:

B is 3 units below P

After dilation B' will be 5 units below P so cannot be on the same horizontal line.

similarly segment CD is 3 units long,

After dilation segment C'D' will be 5 units long so is not equal to segment CD.

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Dave walked to his friend's house at a rate of 4 mph and returned back biking at a rate of 10 mph. If it took him 18 minutes lon

katrin [286]

Answer:

4 miles

Step-by-step explanation:

Walking:

Distance = d miles

Rate = 4 mph

Time = t hours

$d=4\cdot t$

Biking:

Distance = d miles

Rate = 10 mph

Time $=t-\dfrac{18}{60}=t-0.3$ hours (convert minutes to hours)

$d=10\cdot (t-0.3)$

Hence,

$4t=10(t-0.3)\\ \\4t=10t-3\\ \\4t-10t=-3\\ \\-6t =-3\\ \\6t=3\\ \\t=\dfrac{3}{6}=\dfrac{1}{2}=0.5\ hour$

Therefore, the distance to friend's house is

$d=4\cdot 0.5=2\ miles$

and the total distance of the round trip is

$2+2=4\ miles$

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3 years ago

For the graph y = 1 find the slope of a line that is perpendicular to it and the slope of a line parallel to it. Explain your an

svetlana [45]

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3 years ago

-2y+6=-12 What does y equal?

lara31 [8.8K]

Answer:

y = 9

Step-by-step explanation:

-2y+6=-12

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Elan Coil [88]

4a+5b
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