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Westkost [7]
3 years ago
8

4x2-36x+80=0 Soma e Produto

Mathematics
1 answer:
myrzilka [38]3 years ago
7 0
4x2-36x+80=0
Answer
X= 5
X=4
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I need help with this
snow_lady [41]

Answer:

x = 2 square roots of 2

Step-by-step explanation:

it is a 45-45-90 triangle and in that the two legs are equal to each other so both are 2 and then the hypotenuse is x times the square root of 2

8 0
2 years ago
Consider the recursively defined set S: Basis Step: The unit circle is in S. Recursive Step: if x is in S, then x with a line th
Schach [20]

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached images for the step by step explanation to the question

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3 years ago
Y-3=5(x-2)<br> what are the intercepts t of x and y<br> x=(_,_)<br> y=(_,_)
yan [13]

The\ x\ intercept\ is\ (\frac{7}{5}, 0)

The y intercept is (0, -7)

<em><u>Solution:</u></em>

<em><u>Given equation is:</u></em>

y - 3 = 5(x - 2)

<em><u>Find the x intercept</u></em>

Substitute y = 0 in given equation

0-3=5(x-2)\\\\-3=5x - 10\\\\5x = -3 + 10\\\\5x = 7\\\\x = \frac{7}{5}\\\\Thus\ the\ x\ intercept\ is\ (\frac{7}{5}, 0)

<em><u>Find the y intercept:</u></em>

Substitute x = 0 in given equation

y - 3 = 5(0-2)\\\\y - 3 = -10\\\\y = -10 + 3\\\\y = -7

Thus the y intercept is (0, -7)

4 0
3 years ago
Explain how the sum and difference formula cos(A+/- B) = cosA cosB -/+ sinA sinB could be useful?
serg [7]
One way it's useful is in the application of phasors in physics. Phasors require you to add up vectors of two different angles, so the cosine angle addition formula can be used if you already know the cosine and sine of the original vector angles.
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Answer:

S...tep-by-step explanation:

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3 years ago
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