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lesantik [10]
2 years ago
15

Find the last one please!!!Will mark brainlyist if right

Mathematics
1 answer:
JulsSmile [24]2 years ago
3 0

Answer:

129.6º

Step-by-step explanation:

7 + 10 + 2 + 6 + 11 = 36%

QAV = 36% * 360º = 129.6º

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I need help on this I will give brainlist help it will mean a lot this is my last math problem help me!​
Natalka [10]

Answer:

the second one

Step-by-step explanation:

i did it in my head and double checked :)

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How many square inches of tin are needed to make the top of a can that is 10 inches in diameter? A) 62.8 in2 B) 78.5 in2 C) 227
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Give an example of a quadratic function that has no real root but has 2 complex solutions.
Nimfa-mama [501]

Step-by-step explanation:

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3 years ago
Write y=(x-7)(x-1) in standard form
Oxana [17]
  In order to write this quadratic equation in standard form, first note that standard form is ax^2+bx+c for quadratics, where c is the numerical value (constant), B is the coefficient of x, and a is the coefficient of x^2 and is the leading coefficient. Next, multiply the binomials of (x-7) and (x-1). You can do this by using FOIL, or by distributing each of the terms in a binomial to each of the other terms in the other binomial. (Please let me know if you need a walk through in this step in particular). Furthermore, you should then write y= (the simplified trinomial). Now, the quadratic is in standard form. To reiterate, just simplify the two binomials by multiplying them together and writing that they're equal to y.
5 0
3 years ago
A rectangle with length n and height m. A right triangle with hypotenuse n + 1, length n, and height m.
Oksana_A [137]

9514 1404 393

Answer:

  C. 12cm

Step-by-step explanation:

The equation for the perimeter of the rectangle is ...

  P = 2(L+W)

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Solving for m, we get

  m = 17 -n . . . . . . . divide by 2, subtract n

__

The Pythagorean theorem gives the relationship between the sides and the hypotenuse

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  n^2 -36n +288 = 0 . . . . . . . put in standard form

  (n -12)(n -24) = 0 . . . . . . . . . factor

  n = 12 . . . . . . . . . . n=24 is an extraneous solution here

The value of n is 12 cm.

8 0
2 years ago
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