3 years ago

What is vertical angles congruence theorem

2 answers:

8 0

This mean that vertical angles, angles that are opposite each other and formed by two intersecting straight lines, are congruent.

gizmo_the_mogwai [7]3 years ago

7 0

I don’t really know bro

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How to solve 4k-1.5k=50

padilas [110]

Combine like terms-- you can combine the k's:
$4k-1.5k=2.5k$

Now you have:
$2.5k=50$

Simply divide both sides by 2.5 to find the value of k:
$\frac{2.5k}{2.5}=\frac{50}{2.5}\\\\k=20$

6 0

2 years ago

Plz help me out xx tysm

stiv31 [10]

Answer:

see explanation

Step-by-step explanation:

let the number be x , then

$\frac{1}{2}$ x = 44.3 ← is the equation

6 0

2 years ago

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Prove that (a-b) x (a+b)=2a x b is true.<br> (a and b are vectors)

Anon25 [30]

(a-b) X (a+b)
= aXa - bXa +aXb -bXb (distributing)

Now, cross product of a vector with itself = 0
so, aXa = 0, bXb = 0

Also, aXb = - bXa

so,
(a-b) X (a+b) = 0 + aXb + aXb + 0
= 2aXb

hence, proved :)

6 0

2 years ago

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HELPPP Put the steps to solving the equation in the correct order<br> 3 (x + 5) – 6x = -18

Neporo4naja [7]

Answer:

Its the last one I beleive not sure

Step-by-step explanation:

6 0

2 years ago

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What is the completely factored form of this polynomial?

Sholpan [36]

Answer:

A. (x + 2)²(x - 2)²

Step-by-step explanation:

x⁴ - 8x² + 16 =

(x² - 4)(x² - 4) =

(x - 2)(x + 2)(x - 2)(x + 2) =

(x - 2)²(x + 2)²

5 0

2 years ago