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MArishka [77]
2 years ago
13

What are TWO different ways you know when you are finished dividing?

Mathematics
1 answer:
vfiekz [6]2 years ago
7 0
You know you are finished dividing when you can no longer simply & when you plug it back in to check the answer
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In figure AB and CD bisect each other at O. State the 3 pairs of equal parts in ∆AOC and ∆BOD. Is ∆AOC ≅ ∆BOD? Give reasons
GuDViN [60]

Answer:

SEE EXPLANATION

Step-by-step explanation:

In\:\triangle AOC \:\&\:\triangle BOD

AO \cong OB.... (given)

\angle AOC \cong\angle BOD

(vertical \: \angle s)

CO \cong OD.... (given)

\therefore \triangle AOC \:\cong\:\triangle BOD

(SAS \: postulate)

So, the 3 pairs of equal parts in ∆AOC and ∆BOD are:

AC = BD

m\angle OAC = m\angle OBD

m\angle OCA = m\angle ODB

7 0
3 years ago
Write the simplest polynomial function with the given roots 2i, square root of 3, and 4
Volgvan

Answer:

  • y = (x - 4)(x + 2i)(x - 2i)(x + √3)(x - √3) Possible answer
  • y = (x - 4)(x^2 + 4)(x^2 - 3)                    Possible answer

Step-by-step explanation:

The simplest answer is that 2i cannot be a lone root. It must have a twin that is - 2i

√3 has the same sort of rule. It cannot be a root all by itself. It also must have a twin, in this case -√3

So the answer must be

(x - 4)(x + 2i)(x - 2i)(x + √3)(x - √3)      <<< Possible answer

but this can be reduced even further.

  • (x + 2i)(x - 2i) = x^2 - x*2i + x*2i - 4i^2
  • (x + 2i)(x - 2i) = x^2 - 4(i)^2
  • (x + 2i)(x - 2i) = x^2  + 4.               Remember i^2 = - 1

By a similar method (x - √3)(x + √3) = x^2 - 3

So the polynomial is reduced to

(x - 4)(x^2 + 4)(x^2 - 3)  <<<< Answer

If this is not among your answers and the  factored form is not either, please tell me what is.

5 0
3 years ago
A walkway forms one diagonal of a square playground. The walkway is 18 m long.
olga55 [171]

18m x 4 = 72m

Walkway = 72 meters.

6 0
3 years ago
A coral reef grows 0.12 m every week how much does it grow in 12 weeks. In cm
Black_prince [1.1K]

Answer:

1.44 cm

Step-by-step explanation:

0.12 m * 12 weeks = 1.44 cm in 12 weeks

3 0
2 years ago
Help me with this question
r-ruslan [8.4K]

Answer: 3/2a3

I can't properly write the answer sorry but it's the last one.

6 0
3 years ago
Read 2 more answers
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