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3 years ago

11

A right triangle is described as having an angle of measure six less than negative two times a number, another angle measure tha

t is three less than negative one-fourth the number, and a right angle. What are the measures of the angles in degrees?

1 answer:

Flauer [41]3 years ago

5 0

The right angle is 90 degrees

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What are the zeros of the quadratic function f(x) = 6x ^ 2 - 24x + 1 ?

ZanzabumX [31]

Answer:

x = $\frac{12+\sqrt{138} }{6}$ and x = $\frac{12-\sqrt{138} }{6}$

Step-by-step explanation:

Let's use the quadratic formula, which states that for a quadratic of the form ax² + bc + c, the zeroes are: $x=\frac{-b+\sqrt{b^2-4ac} }{2a}$ or $x=\frac{-b-\sqrt{b^2-4ac} }{2a}$ .

Here, a = 6, b = -24, and c = 1. Plug these in:

$x=\frac{-b+\sqrt{b^2-4ac} }{2a}$

$x=\frac{-(-24)+\sqrt{(-24)^2-4*6*1} }{2*6}=\frac{24+\sqrt{552} }{12}=\frac{24+2\sqrt{138} }{12} =\frac{12+\sqrt{138} }{6}$

AND

$x=\frac{-b-\sqrt{b^2-4ac} }{2a}$

$x=\frac{-(-24)-\sqrt{(-24)^2-4*6*1} }{2*6}=\frac{24-\sqrt{552} }{12}=\frac{24-2\sqrt{138} }{12} =\frac{12-\sqrt{138} }{6}$

Thus, the zeroes are: x = $\frac{12+\sqrt{138} }{6}$ and x = $\frac{12-\sqrt{138} }{6}$ .

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Find the domain and range of the relation:

Taya2010 [7]

Answer:

Domain is (8,7,6,5) and Range is (7,7,7,7)

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Which function is graphed?

Dimas [21]

I think A is the correct answer hope this helps

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The repeating decimal, 0.27..., is converted to the fraction 0.27..=3/x

marysya [2.9K]

Answer:

The value of x is 11.

Step-by-step explanation:

The given number is 0.27272727..., and it is converted to the fraction as

$0.272727...=\frac{3}{x}$ ..... (1)

Multiply both sides by 100.

$0.272727...\times 100=\frac{3}{x}\times 100$

$27.272727=\frac{300}{x}$ .... (2)

Subtract equation (1) from equation (2),

$27.272727-0.272727...=\frac{300}{x}-\frac{3}{x}$

$27=\frac{300-3}{x}$

Multiply both sides by x.

$27x=297$

Divide both sides by 27.

$x=\frac{297}{27}$

$x=11$

Therefore the value of x is 11.

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Isabella has a 22 once cola. She drinks 17 ounces. Enter the percentage of once’s Isabella has left of her cola. Round your answ

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Answer:

1.1%

Step-by-step explanation:

22- 17 = 5% of 22 = 1.1

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