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hodyreva [135]
3 years ago
13

How do i simplify 2a 3(4a-5)?

Mathematics
1 answer:
____ [38]3 years ago
8 0
2a 3x4a +3x-5
2a+12a-15
14a-15
i think thats the answer
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Translate the inequality and solve. Negative three times a number is less than six.
mart [117]

Answer:

x>-2

Step-by-step explanation:

The translated inequality to be solved is -3x<6

You divide -3 by both sides which switches the sign because it is negative, there fore the answer is x>-2.

4 0
3 years ago
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An angle whose measure is _____ is rotated more than halfway around a circle
zaharov [31]

The correct answer is 60⁰.

Step-by-step explanation:

  • An angle whose measure is 60⁰ is rotated more than halfway around a circle.
  • Since, we have to find the measure of angle.  
  • As we already know that the angle of rotation about a circle is 360° therefore we have to find more than halfway of this angle.
  • Considering that an angle is rotated more than halfway around a circle be \frac{1}{6}
  • Multiplying \frac{1}{6} with 360⁰
  • Therefore, it can show as \frac{1}{6}×360⁰
  • Which gives the result to be 60⁰
  • Hence, when an angle is measured 60⁰, it is rotating more than halfway around a circle.
  • A single rotation around a circle is equal to 360 degrees.
  • The measurement of an angle shows the magnitude and direction of the rotation of the angle from its initial position to the final position.
  • If the rotation is in a counterclockwise direction, it has an angle with positive measure. If the rotation is clockwise, it has an angle which gives negative measure.

4 0
3 years ago
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In the given right triangle, AX is the altitude. If CX-9 and AX - 9, what is the length of BC? "Note: Figure not drawn to scale"
kenny6666 [7]

Answer:

Step-by-step explanation:

I’m pretty sure the answer is C

6 0
2 years ago
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SPHERE VOLUME
Arte-miy333 [17]
V = 4/3 * pi * r^3

V = 4/3 * 3.14 * 21^3

Simplify exponent:

V = 4/3 * 3.14 * 9261

Multiply:

V = 38772.72
6 0
3 years ago
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Solve the following inequality. 4x-1&gt; -9
pychu [463]
Solve inequalities the way you would solve an equation except for this rule-
If you multiply or divide a negative, the sign must be switched.

Do the inverse of everything like in an equation-
4x-1> -9
+1      +1 (Add 1)
4x>-8
/4    /4     (Divide 4)
You are not dividing a negative number from another number.  So keep the sign.
x>-2
Your answer is C.


3 0
3 years ago
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