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SashulF [63]
3 years ago
14

Is the given linear expression a factor of the polynomial?

Mathematics
1 answer:
sammy [17]3 years ago
4 0
2x³ + x² - 5x + 2

(2x³ + 3x - 2)(x - 1)   

(2x³ + 4x - x - 2)(x - 1)

(2x(x + 2) - (x + 2))(x - 1)

(x + 2)(2x - 1)(x - 1)

so x + 2 is not a factor of the polynomial!

hope this helped, God bless!
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When x=12, y=8. Find x when y=12
Digiron [165]
<span>x : y is equal to 12 : 8. These can be reduced or cancelled down to 3 : 2 in the same proportions. Therefore, when y is 12, you have to multiply the smallest value y can be by 6, and must do the same to the smallest x value to retain the proportions. x = 18 when y = 12.</span>
6 0
3 years ago
I also need help on this one smh
AysviL [449]

Answer:

C. 176.6 Square feet (I think)

Step-by-step explanation:

I tried many different ways and got three of the answers above but I think this is the right one.

The equation to find area of a circular cone base: A= \pi r^2

  1. We are given the diameter (15 Feet) but we need to find the radius. So we use the diameter to radius formula: r = \frac{d}{2}
  2. Plug in numbers: r=\frac{15}{2} ≈ 7.5
  3. Use the Area formula now that you have radius: A=\pi 7.5^2
  4. Solve and get = a = 176.71458676
  5. Looking at the options the closest one to our answer (off by one-tenth) is C.

Sorry if you get this wrong. I tried lol.

7 0
2 years ago
46 cents is what fraction of a dollar
Vikentia [17]
Since there are a 100 cents in a dollar. the 100 is the denominator.
46/100, reduce; 23/50, can't be reduced any further. so 23/50 is the fraction. 
7 0
2 years ago
Read 2 more answers
For the rectangular prism shown, answer the following questions. Write your number
rewona [7]
The area is 20
The height is 5
The volume is 60
The surface area is 94
6 0
3 years ago
PLEASE HELP WITH NUMBER 11 ASAP!!!! (Please show how you got the answer)
Alex777 [14]

Answer:

Triangle B is right

Step-by-step explanation:

Using the converse theorem of Pythagoras.

If the square of the longest side in a triangle equals the sum of the squares of the other 2 sides then the triangle is right.

Triangle A

longest side squared = 36² = 1296

26² + 18² = 676 + 324 = 1000 ≠ 1296

Hence triangle A is not right

Triangle B

longest side squared = 25² = 625

20² + 15² = 400 + 225 = 625 ← correct

Hence triangle B is right


7 0
3 years ago
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