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valkas [14]
3 years ago
14

By what least number should 648 be divided to get a perfect cube

Mathematics
1 answer:
mezya [45]3 years ago
6 0

Answer:

6

Step-by-step explanation:

a cube has six sides, so divide 648 by six

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Use the following functions for 10–12:
Step2247 [10]
  • h(x) = f(x) + g(x) = h(x) = 18.5x-16
  • h(x) = g(x) – f(x) = h(x) = 23.5x-40
  • h(x) = 4g(x) = h(x) = (84x-112)

<u>Step-by-step explanation:</u>

Here we have , f(x) = -2.5x + 12; g(x) = 21x - 28 or f(x) = -2.5x + 12, g(x) = 21x - 28 .

10. Find h(x) = f(x) + g(x).

⇒ h(x) = f(x) +g(x)

⇒ h(x) = ( -2.5x + 12)+( 21x - 28)

⇒ h(x) = ( 21x-2.5x )+( 12 - 28)

⇒ h(x) = 18.5x-16

11. Find h(x) = g(x) – f(x).

⇒ h(x) = g(x)-f(x)

⇒ h(x) = ( 21x - 28)-( -2.5x + 12 )

⇒ h(x) = ( 21x+2.5x )+( -12 - 28)

⇒ h(x) = 23.5x-40

12. Find h(x) = 4g(x).

⇒ h(x) = 4g(x)

⇒ h(x) = 4( 21x - 28)

⇒ h(x) = (84x-112)

6 0
3 years ago
If sin 2X = COS ZY and m2X = 72°, what is the measure of ZY?<br> 18°<br> 072°<br> 90°<br> 108°
KATRIN_1 [288]

Answer:

<u>18°</u>

Step-by-step explanation:

sin 2x=cos zy

m(2x)=72°

cos(π/2-a)=sin a

cos(π/2-72°)=sin72°

cos18°=sin72°

=>m(zy)=18°

5 0
3 years ago
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x=9 because the triangle is equilateral which means every side is equal to 60. When you do the math you get 7x-3=60 which is 7x=63 and 63/7=9

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Temka [501]

Step-by-step explanation:

So if you are reflecting across the x-axis then the point after the reflection should be (x,-y). If you are reflecting across the y-axis the the point after the reflection should be (-x,y). If you are reflecting across the line y=x, then the point after the reflection should be (y,x) If you are reflecting across the line y=-x, then the point after the reflection should be (-y, -x). If you are reflecting across the origin, then the point after the reflection should be(-x,-y). Hope this helps.

8 0
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For what values of k does the graph of y=-2x^2+5x+k not cut the x axis
goldenfox [79]
The answer is 4 because there r three 3 2s
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