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REY [17]
3 years ago
9

Which expression is equivalent to rm ÷ rn? (4 points)

Mathematics
1 answer:
sukhopar [10]3 years ago
6 0
I did not know what your question implied; so I answered it both ways.

rm ÷ rn

= \frac{rm}{rn} =  \frac{m}{n}

r^{m} ÷ r^{n}

= \frac{ r^{m} }{ r^{n} } =  r^{m - n}
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3 years ago
X:y=5:3 and x+y=56<br> work out he value of x-y
Alex

Answer:14

Step-by-step explanation:

x+y=56

x:y=5:3

Sum of ratio=5+3

Sum of ratio=8

x=5/8x56

x=(5x56) ➗ 8

x=280 ➗ 8

x=35

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y=(3x56) ➗ 8

y=168 ➗ 8

y=21

x-y

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3 0
4 years ago
Read 2 more answers
The measures of two angles of a triangle are 49° and 75°. Find the measure of the third angle in degrees.
Alexeev081 [22]
Answer: 56 degrees


Step by step:
The three angles in a triangle add up to 180 degrees.
49 + 75 + the third angle = 180
Let’s simplify.
180 - 49 - 75 = the third angle
So, by subtracting, we know that the third angle is 56 degrees!


Hope this helps! Please tell me if I did anything wrong, thank you so much and have a good day!
8 0
3 years ago
A circle has a radius of 20 centimeters and a central angle that measures 216 degrees. What is the length of the arc defined by
Bumek [7]

Answer:4320cm

Step-by-step explanation:

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lengthof the arc=216×20

length of the arc=4320cm

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2 years ago
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Sin (Angle) = Opposite / Hypotenuse

Sin (X) = 8/17

X = Arcsin(8/17)

X = 28.07 degrees.

6 0
3 years ago
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