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2 years ago

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Three adjacent angles form a right angle . The measure of the largest angle is 5 degrees less than 3 times the measure of the sm

allest angle The measure of the median angle is 5 degrees more than the measure of the smallest angle . What is the measure of the largest angle ?

1 answer:

denis23 [38]2 years ago

3 0

Answer:

Step-by-step explanation:

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The roots of a quadratic equation ax2+bx+c=0 are 3+sqrt2 and 3−sqrt2. Find the values of b and c assuming that a=1.

slamgirl [31]

Answer:

$b=-6\\c=7$

Step-by-step explanation:

we know that

The general equation of a quadratic function in factored form is equal to

$y=a(x-x_1)(x-x_2)$

where

a is a coefficient of the leading term

x_1 and x_2 are the roots

we have

$a=1\\x_1=3+\sqrt{2}\\x_2=3-\sqrt{2}$

substitute

$y=(1)(x-(3+\sqrt{2}))(x-(3-\sqrt{2}))$

Applying the distributive property convert to expanded form

$y=x^2-x(3-\sqrt{2})-x(3+\sqrt{2})+(3+\sqrt{2})(3-\sqrt{2})$

$y=x^2-(3x-x\sqrt{2})-(3x+x\sqrt{2})+(9-2)$

$y=x^2-3x+x\sqrt{2}-3x-x\sqrt{2}+7$

$y=x^2-6x+7$

therefore

$b=-6\\c=7$

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3 years ago

Which equation represents the following diagram?

lys-0071 [83]

Answer:

wheres the diagram..?

Step-by-step explanation:

..i think you forgot the diagram lol

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3 years ago

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Find the value of the discriminant of each quadratic equation:<br>-2x^2-x-1=0

Blizzard [7]

$\Delta=b^2-4ac\\
\Delta=(-1)^2-4\cdot(-2)\cdot(-1)=1-8=-7$

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3 years ago

Can someone please help me

seropon [69]

Answer:

131.88cm

Step-by-step explanation:

Implement the formula for circumference of a circle:

2×pi(3.14)×r, r= 21cm and pi is given as 3.14. Substitute your given values into the formula above:

2 × 3.14 × 21= 131.88cm to the nearest hundreth

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In 2005, about 5 billion gal of renewable fuels, such as ethanol and other biofuels, were used in the United States. The ener

kolezko [41]

11.11
<span>5/45 = x/100 (reduce fraction to lowest terms to make it easier to work with)
1/9 =x/100
.1111 = x/100
.1111x100 = x
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</span>

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3 years ago