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bazaltina [42]
3 years ago
8

Solve the equation. -5r-1=7r+5

Mathematics
2 answers:
irga5000 [103]3 years ago
8 0

Answer:

r=-1/2

Step-by-step explanation:

(-5*-1/2=2.5)( 2.5-1=1.5) (7x -1/2= -3.5)-3.5+5 =1.5

Ksivusya [100]3 years ago
3 0

Answer:

-1/2

Step-by-step explanation:

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Step-by-step explanation:

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The base of a ladder is 25 meters due west of a burning building. If the angle of elevation of the ladder is 51°, how long is th
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6 times the sum of n and 11 is 30​
Oksana_A [137]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
In ΔOPQ, PQ = 17, QO = 9, and OP = 15. Which statement about the angles of ΔOPQ must be true?
77julia77 [94]

Answer:

All angles are different.

Internal angles can be acute, obtuse, or right angle.

The smallest side is opposite to the smallest angle and the longer side is opposite to the larger angle.

Step-by-step explanation:

Given - In ΔOPQ, PQ = 17, QO = 9, and OP = 15.

To find - Which statement about the angles of ΔOPQ must be true?

Proof -

As given,

In ΔOPQ, PQ = 17, QO = 9, and OP = 15.

As all the sides of the given triangle is different, So the given triangle is a Scalene triangle.

Now,

We know that , In Scalene triangle -

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All angles are different.

Internal angles can be acute, obtuse, or right angle.

The smallest side is opposite to the smallest angle and the longer side is opposite to the larger angle.

6 0
3 years ago
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