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romanna [79]
3 years ago
5

Blake rows his boat against a current 90 yards in 15 minutes. With a current, he rows 90 yards in 9 minutes. What is the rate at

which Blake rows, and what is the rate of the current.
Mathematics
1 answer:
Anna71 [15]3 years ago
4 0

Answer:

90 yards in 15 minutes =6 yds/min

90 yards in 9 minutes =10 yds/min

x = current rate

r = rowing rate

r + x = 10

r - x = 6  Adding both equations

2 r = 16

rowing rate = 8 yds/min

x = 2 yds/min (current rate)

Step-by-step explanation:

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Feliz [49]
Answer:

Explanation:

4x + 2x = 180 degree
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6 0
3 years ago
Two angles are supplementary. One is 56° more than three times three times the other. Find the measures of the angles.
kaheart [24]
Supplementary means they equal 180 when added. Therefore:

X+56+3x=180
Combine common units
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4x=124
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Now we know the smaller angle is 31 degrees. Now we plug that into the larger angle:
3(31)+56
93+56
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The larger angle is 149 degrees.

I hope this Helps!
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2 years ago
How does the volume of a sphere compare to that of a cylinder with a height and radius equal to the radius of the sphere?
disa [49]

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8 0
3 years ago
Find the value of x. Round to the nearest degree as needed.
Bas_tet [7]

9514 1404 393

Answer:

  x° = 29°

Step-by-step explanation:

The mnemonic SOH CAH TOA is intended to remind you of the relevant trig relationships. Here, you have the hypotenuse and the side opposite the unknown angle. So, the appropriate relation is ...

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The value of x is about 29.

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