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dusya [7]
3 years ago
9

3. Find x. 8x - 37 5x + 17

Mathematics
2 answers:
pickupchik [31]3 years ago
4 0

Answer:  18

Step-by-step explanation:

qwelly [4]3 years ago
3 0

Answer:

18

Step-by-step explanation:

That's if the 2 equations are equal

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Consider the polynomial p(x) = x^3 + 4x^2 + 6x − 36.
Nady [450]

Answer:

a. attached graph; zero real: 2

b. p(x) = (x - 2)(x + 3 + 3i)(x + 3 - 3i)

c. the solutions are 2, -3-3i and -3+3i

Step-by-step explanation:

p(x) = x³ + 4x² + 6x - 36

a. Through the graph, we can see that 2 is a real zero of the polynomial p. We can also use the Rational Roots Test.

p(2) = 2³ + 4.2² + 6.2 - 36 = 8 + 16 + 12 - 36 = 0

b. Now, we can use Briott-Ruffini to find the other roots and write p as a product of linear factors.

2 |  1     4     6    -36

     1      6    18     0

x² + 6x + 18 = 0

Δ = 6² - 4.1.18 = 36 - 72 = -36 = 36i²

√Δ = 6i

x = -6±6i/2 = 2(-3±3i)/2

x' = -3-3i

x" = -3+3i

p(x) = (x - 2)(x + 3 + 3i)(x + 3 - 3i)

c. the solutions are 2, -3-3i and -3+3i

4 0
3 years ago
14. In ΔABC, J is on AB, K is on BC, and JK║AC. Solve for x if JB = 5, AJ = 17, BK = x+4, and KC = 5x.
Zigmanuir [339]

The answer is x=8.6 units

3 0
4 years ago
I'll upvote everything
Phantasy [73]
Hey there! Hello!

So, for this problem, I don't really see an answer choice that fits along with this description?? The last one is the closest to the answer I believe it is, but still doesn't fit exactly:

Twice a number = 2n
Three more than = +3
Final equation = 2n+3

Perhaps you have a typo either in your question or your answer problem, or I'm just way too tired. Either way, I hope this helped you out, and feel free to ask me any additional questions you may have. 

–Lamb :-)
5 0
4 years ago
What’s 2x+y=4 in slope intercept form
PIT_PIT [208]
Y = - 2x + 4

sjnddkmcdkcndkcmsknckdmckdndk
8 0
3 years ago
Read 2 more answers
List formulas for: Area of a triangle
Ede4ka [16]
The formula for the area of a triangle is the base times the height, divided by 2. Or in simple forms, bh/2
7 0
3 years ago
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