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3 years ago

I need help plzzzzzzo

Mathematics

1 answer:

antoniya [11.8K]3 years ago

7 0

Answer:

$→ {x}^{3} + 2 {x}^{2} - 9x - 18 \\ = {x}^{2} (x + 2) - 9(x + 2) \\ = (x + 2)( {x}^{2} - 9) \\ = \boxed{(x + 2)(x + 3)(x - 3)}$

<u>A. (x + 2)</u> is a factor of the polynomial.

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Find the missing side lengths. Leave your answers as radicals in simplest form.

sattari [20]

Answer:

see explanation

Step-by-step explanation:

To find x use the sine ratio in the right triangle and the exact value

sin60° = $\frac{\sqrt{3} }{2}$ , then

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{14\sqrt{3} }{x}$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

x $\sqrt{3}$ = 28 $\sqrt{3}$ ( divide both sides by $\sqrt{3}$ )

x = 28

-----------------------------------------------------------

To find y use the tangent ratio in the right triangle and the exact value

tan60° = $\sqrt{3}$ , then

tan60° = $\frac{opposite}{adjacent}$ = $\frac{14\sqrt{3} }{y}$ = $\sqrt{3}$ ( multiply both sides by y )

14 $\sqrt{3}$ = y $\sqrt{3}$ ( divide both sides by $\sqrt{3}$ )

y = 14

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4 years ago

Assessment timer and count Assessment items A hockey league has a total of 252 players on 12 teams. How many players per team ar

sammy [17]

There are 21 people on each team. First you can divide 252 and 12. You get 21. To check you can then multiply 12 and 21 and get 252

3 0

3 years ago

Read 2 more answers

List the transformations of the function<br> j(x) = 3(-7(x+2))-4

allsm [11]

Answer:

transformations of function 3(-7(x+2))-4

vertical stretch
horizontal compression
translates left
translates down
reflection across y-axis

8 0

3 years ago

Please help. The numerator is an x

Sati [7]

Answer:

x = 30

Step-by-step explanation:

$\frac{x}{6} +1=6\\\\\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}\\\frac{x}{6}+1-1=6-1\\\\Simplify\\\frac{x}{6}=5\\\\\mathrm{Multiply\:both\:sides\:by\:}6\\\frac{6x}{6}=5\times\:6\\\\Simplify\\x=30$

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3 years ago

The measurement of the three interior angles of a quadrilaterals are: 85 °, 54 ° and 96 °, what is the measurement of the fourth

Diano4ka-milaya [45]

<h2><u>Question</u>:-</h2>

The measurement of the three interior angles of a quadrilaterals are: 85 °, 54 ° and 96 °, what is the measurement of the fourth angle?

<h2><u>Answer</u>:-</h2>

<h3>Given:-</h3>

The measurement of the three interior angles of a quadrilaterals are: 85 °, 54 ° and 96 °

The measurement of the fourth angle.

<h2>Solution:-</h2>

By angle sum property of a quadrilateral,

Sum of all the interior angles = 360 °

So, let the fourth angle be x

$\therefore$ 85 ° + 54 ° + 96 ° + x = 360 °

$\therefore$ 235 ° + x = 360 °

$\therefore$ x = 360 ° - 235 ° = 125 °

<h3>The measurement of the fourth angle is <u>1</u><u>2</u><u>5</u><u> </u><u>°</u>. [Answer]</h3>

3 0

3 years ago