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2 years ago

True or false? Please help.

Mathematics

2 answers:

maks197457 [2]2 years ago

6 0

Answer:

True

Step-by-step explanation:

Vertical angles are angles that essentially opposite of eachother. Vertical angles are a pair of opposite angles formed by intersecting lines.

yan [13]2 years ago

5 0

Answer:

True

Step-by-step explanation:

Vertical angles are angles that essentially opposite of eachother. Vertical angles are a pair of opposite angles formed by intersecting lines.

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The probability of drawing a heart from a standard deck of 52 playing cards is 1 4 . The probability of drawing a face card from

hoa [83]

We need Probability of drawing a heart Or drawing a face card other than a heart.

This is 1/4 + 9/52 = 11/26
C is the correct choice.

8 0

2 years ago

Read 2 more answers

4 divided by 8/9=

lutik1710 [3]

Answer:

1.

4/8/9

4*9/8

9/2

2.

2/5/6

2*6/5

12/5

3.

4/1/4

4*4

16

4.

2/1/4

2*4

8

5.

3/1/7

3*7

21

5 0

2 years ago

What are the roots of the polynomial equation x cubed minus 5 x + 5 = 2 x squared minus 5?

Dennis_Churaev [7]

Roots of the polynomial $x^3-5x+5=2x^2-5$ are $x=\sqrt{5},x=-\sqrt{5}\,\,and\,\,x=2$

Step-by-step explanation:

We need to find roots of the polynomial equation: $x^3-5x+5=2x^2-5$

Solving the polynomial to find roots:

$x^3-5x+5=2x^2-5\\Rearranging:\\x^3-5x+5-2x^2+5=0\\x^3-2x^2-5x+10=0$

Finding factors by grouping:

$(x^3-2x^2)(-5x+10)=0\\Finding\,\,common\,\,terms:\\x^2(x-2)-5(x-2)=0\\(x^2-5)(x-2)=0\\x^2-5=0\,\,and\,\,x-2=0\\x^2=5\,\,and\,\,x=2\\x=\pm \sqrt{5}\,\,and\,\,x=2$

So, roots of the polynomial $x^3-5x+5=2x^2-5$ are $x=\sqrt{5},x=-\sqrt{5}\,\,and\,\,x=2$

Keywords: Roots of Polynomial

Learn more about Roots of Polynomial at:

#learnwithBrainly

8 0

3 years ago

Given the system of equations,

Gwar [14]

Answer:

Step-by-step explanation:

$\underline{+\left\{\begin{array}{ccc}x+2y=7\\x-2y=-1\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad2x=6\qquad\text{divide both sides by 2}\\.\qquad\qquad\boxed{x=3}\\\\\\\text{Put the value of x to the first equation:}\\\\3+2y=7\qquad\text{subtract 3 from both sides}\\2y=4\qquad\text{divide both sides by 2}\\\boxed{y=2}$

8 0

2 years ago

Please help I don't get it!!!

zhenek [66]

2+4=6
3+6=9
9-6=3
3 units. srry if i got it wrong

3 0

2 years ago

Read 2 more answers

True or false? Please help.​

True or false? Please help.