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RideAnS [48]
3 years ago
13

How to find the x intercept of a cubic equation?

Mathematics
1 answer:
lesantik [10]3 years ago
6 0
 hello : 
f(x) = x^3
<span>x intercept when : f(x) = 0
x^3 =0 
x=0 is a </span>x intercept
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A cube-shaped box has a volume of 27 cubic inches. Bethany says each side of the cube measures 9 inches because 9 × 3 = 27. Is B
anastassius [24]

Answer: Bethany is not correct

Step-by-step explanation:

The volume of the box is the product of its three dimensions, length, width, and height. The product of a number of "inches" and a "pure number" (3 has no units given) will not be "cubic inches."

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As it happens, the cube-shaped box with a volume of 27 cubic inches will have a height of 3 inches and a side area of 9 square inches. The edge length of the cube is 3 inches, not 9.

7 0
3 years ago
Solve for c.<br><br> –4c − 9 = –3c<br><br> c =
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3 0
3 years ago
−13π/5 find the reference angle
miss Akunina [59]
I would convert to degrees first seems to make it easier.
\frac{-13 \pi }{5}×\frac{180}{ \pi }
= -468
by adding 360 twice we get the coterminal angle 252

252 is in the 3rd quadrant so 180 is the closest angle on the x-axis
ref angle = 252 - 180 = 72 

If necessary convert back to radians... 72( \frac{ \pi }{180} )= \frac{2 \pi }{5}
8 0
3 years ago
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6 0
3 years ago
Read 2 more answers
Please answer each one. <br><br><br> Disclaimer: don't do it for points
Gre4nikov [31]

Answer:

for question 1 the answer is 1.5 cm  

for question 2 the answer is 0.75 cm  

for question 3 the answer is 2.3 inches  

for question 4 the answer is 3.3 inches  

for question 5 the answer is 4 cm  

for question 6 the answer is 0.75 inches

7 0
3 years ago
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