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masya89 [10]
4 years ago
15

Write the quadratic equation whose roots are one and three and who’s leading coefficient is three

Mathematics
1 answer:
FromTheMoon [43]4 years ago
5 0

\bf \begin{cases} x = 1\implies &x - 1 = 0\\ x = 3\implies &x - 3=0 \end{cases}\qquad \implies (x-1)(x-3) = \stackrel{y}{0} \\\\\\ \stackrel{F~O~I~L}{x^2-4x+3}=0\implies 3(x^2-4x+3)=0\implies 3x^2-12x+9=y

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3 years ago
BRAINLIEST!!<br> 15. XW is an angle bisector, ...
djverab [1.8K]

Answer:

  64°; no

Step-by-step explanation:

Since XW bisects angle X, we have ...

  angle YXZ = 2(angle WXY)

  (4x +6) = 2(3x -5)

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  16 = 2x . . . . . . . . add 10-4x

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Then angle XZY = 8x° = 8·8° = 64°. The angle WXZ is (3x-5)° = (3·8-5)° = 19°, an angle that is not complementary to 64°. XW cannot form a right angle with YZ, so it is not an altitude.

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3 years ago
for every 1 book harry reads, Emily reads 3. the table shows the ratio 1:3 and two equivalent ratios. which graph shows the corr
Tatiana [17]

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jekas [21]

Answer:

The value of x = 35.62

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Step-by-step explanation:

Given

Ф = 58°

hypotenuse = 42

To determine:

x = ?

We know that the trigonometric ratio

sin Ф = opposite / hypotenuse

Here:

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so substituting the value

sin Ф = opposite / hypotenuse

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x = 42 × sin 58°

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Thus, the value of x = 35.62

Therefore, option C) is true.

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3 years ago
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