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Masja [62]
3 years ago
8

Which equation is not equivalent

Mathematics
1 answer:
liraira [26]3 years ago
8 0

Answer:

C

Step-by-step explanation:

(2x+3)(x+4) = 2x² + 8x + 3x + 12

                  = 2x² + 11x + 12     ≠  2x² + 10x + 12

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Solve by factoring 2x^3-9x^2+10x=0 with full steps
Strike441 [17]
X(2x²-9x+10)=x(2x-5)(x-2)=0.
x=0 is one solution.
2x-5=0 and x-2=0 give us the solutions x=5/2 and x=2.
So x=0, 2 or 5/2.
7 0
3 years ago
How do you evaluate the trig expression sin(180°)?
d1i1m1o1n [39]
I'm pretty sure you can only do it by calculator
Press the SIN button, open parentheses, 180, close parentheses,
And hit enter
Hope this helps :)
3 0
3 years ago
I found this proof by induction that all people in canada are the same height, i was wondering what is the incorrect step?
frosja888 [35]

The incorrect step in the induction that all people in Canada are the same height is; Step 9

<h3>How to prove Mathematical Induction?</h3>

The principle of mathematical induction as follows:

For example, we have a set of natural numbers. Now, suppose that 1 is in the set. Now, we assume that anytime n is in the set, n + 1 is also in the set. Therefore we can say that every natural number is in the set.

The wrong step in the given mathematical Induction is Step 9. This is because;

We might not be to see anyone else in the arbitrary group G other than groups P or Q!

Recall that G is a group of k + 1 people. Thus, provided that k > 1, k + 1 > 2 and that a third person R in G does not exist, then the rest of the proof will work.

The steps above proves that;

S(k) = S(k + 1), for every k > 1.

Thus, we can also say that if S(2) is true, then it equally means S(3) is true and so on till infinity.

From our induction process written so far, we have see that S(1) was true. However, our induction step in the question does not show us that that S(1) = S(2) = true.

So: Thus, from the induction I have done It shows that S(1) not imply S(2) and as a result the proof is fallacious.

Read more about Mathematical Induction at; brainly.com/question/24672369

#SPJ1

8 0
2 years ago
Solve the following inequality. 45 &lt; 9(x + 3) &lt; 153 A. 8 &lt; x &lt; 14 B. 2 &lt; x &lt; 20 C. 8 &lt; x &lt; 20 D. 2 &lt;
kaheart [24]

Answer:

B

Step-by-step explanation:

hope this help but I worked it out so it should be true

7 0
3 years ago
What is the spread of the data in the dot plot? Number of Days It Was Sunny Each Week A dot plot going from 0 to 5. 0 has 1 dot,
bazaltina [42]

Answer:

0 to 5

Step-by-step explanation:

i took it on edg

8 0
3 years ago
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