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Shalnov [3]
4 years ago
5

Which polynomial is equivalent to x2+3x

Mathematics
1 answer:
IgorLugansk [536]4 years ago
4 0
The answer is D, if you factor each answer.
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Enter the value of n for the equation
Lelechka [254]

Answer:

Step-by-step explanation:

4^3 × 4^n = 4^12

Using indices multiplication rule

4^(3+n) = 4^12

4 cancelled out 4

Therefore: 3 + n = 12

n = 12 - 3

n = 9

4 0
3 years ago
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If MCI offers a 120-minute card for $12, what is the cost per minute?
stealth61 [152]
The answer should be $60 per minute
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3 years ago
What two numbers multiply to make 12 but<br> add to make -7?
vichka [17]

Answer:

negative three and negative 4 :)

Step-by-step explanation:

7 0
3 years ago
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Identify the sequence as arithmetic, geometric, or neither. Explain your answer.
mestny [16]
This sequence (1.6, 0.8, 0.4, 0.2,... ) is geometric.
We have formula for any member of geometric sequence: a_{n} = a_{1}* q^{n-1} If a1=1.6 then:0.8=1.6*q, 0.4=1.6* q^{2}, 0.2=1.6* q^{3}The solution for all these equations is: q=0.5. We have: a1=1.6, q=0.5 and this is geometric sequence.
4 0
3 years ago
The vertices of ΔABC are A(−3,4)​, B(−2,4)​, and C(−5,2). If ΔABC is reflected across the line y=−2 to produce the image Δ​A'B'C
Mumz [18]

The coordinates of vertex B' is P'(x,y) = (-2, -8).

<h3>How to calculate the coordinate of point by reflection</h3>

A point if reflected across the line y = -2 by means of the following formula:

P'(x,y) = P(x,y)+2\cdot [(x_{P}, -2)-P(x,y)] (1)

Where:

  • P(x,y) - Original point
  • x_{P} - x-Coordinate of point P
  • P'(x,y) - Resulting point

If we know that P(x,y) = (-2,4) and x_{P} = -2, then the coordinates of the vertex is:

P'(x,y) = (-2, 4) + 2\cdot [(-2,-2)-(-2,4)]

P'(x,y) = (-2, 4) +2\cdot (0, -6)

P'(x,y) = (-2, 4) + (0,-12)

P'(x,y) = (-2, -8)

The coordinates of vertex B' is P'(x,y) = (-2, -8). \blacksquare

To learn more on reflections, we kindly invite to check this verified question: brainly.com/question/1878272

3 0
3 years ago
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