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jonny [76]
2 years ago
12

Which would not be a step in solving 3x + 1 + 2x = 2 + 4x?

Mathematics
1 answer:
Jlenok [28]2 years ago
4 0

Answer:

C

Step-by-step explanation:

I think its C but don't count me on this one because im not quite sure all I am sure of is that it is B and it is D.

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Solve by factoring: 2x2 - 5x - 12 = 0
Zepler [3.9K]

Step-by-step explanation:

2 {x}^{2}  - 5x - 12

2 {x}^{2}   - 8x  + 3x - 12

2x(x - 4) + 3(x - 4)

2x  + 3 = 0 \:  \: x - 4 = 0

x =  \frac{ - 3}{2}  \:  \: x =4

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3 years ago
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For which value of x is the equation 6 = 12x true?
skad [1K]

Answer:

x = 0.5

Step-by-step explanation:

5 0
3 years ago
Answer correctly and fast please.
professor190 [17]

Answer: C

Step-by-step explanation: your fast answer is C.

7 0
3 years ago
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The diagram below shows a student using a clinometer to measure the height of a flagpole. When the student stands 40 feet away f
AVprozaik [17]
The correct answer is the flagpole is <span>33 feet high</span>.

Explanation:
Please refer to the attached picture.

We know:
CD = 40 feet
AC = 5 feet
∠BDC = α = 35°

Using trigonometry, we know that the definition of the tangent of an angle is the ratio between the opposite side and the adjacent side, therefore:
tan α = BC / CD

Solving for BC:
BC = CD · <span>tan α
      = 40 </span>· tan (35)
      = 28 feet

In order to find the height of the flagpole, we need to add the distance of the clinometer from the ground:
AB = BC + AC
      = 28 + 5
      = 33

Hence, the flagpole is 33 feet high.

5 0
3 years ago
Help me please I don’t know this
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its a m8 a a a  a a aa aaa

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3 years ago
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