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klemol [59]
3 years ago
9

Anybody know how to solve this?

Mathematics
2 answers:
avanturin [10]3 years ago
4 0
The answer would be A. I just did this yesterday. Do you want the steps?

WINSTONCH [101]3 years ago
3 0
[(x + 3)(x - 3)]/(x - 5)
Divided by (x + 3)/1

(x + 3)(x - 3) * 1
----------------- --------
(x - 5) (x + 3)

The (x + 3)'s will divide off to get 1 leaving

(x - 3)
---------
(x - 5)
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Let G denote the centroid of triangle ABC. If triangle ABG is equilateral with side length 2, then determine the perimeter of tr
zhannawk [14.2K]
We know from Euclidean Geometry and the properties of a centroid that GC=2GM. Now GM=sin60*GA=\sqrt{3}. Hence CM=GC+GM=3*\sqrt{3} /. Now, since GM is normal to AB, we have by the pythagoeran theorem that:
AC^2=AM^2+GM^2=BM^2+GM^2=BC^2
Hence, we calculate from this that AC^2= 28, hence AC=2*\sqrt{7}=BC. Thus, the perimeter of the triangle is 2+4*\sqrt{7}.

3 0
3 years ago
Correct answers only please!
MrRissso [65]

Answer:

23.6°

Step-by-step explanation:

In this question we have to use some trigonometry to work out angle XVW. Since we are working out angles all of the trigonometric functions will have to be to the ⁻¹. The first thing we need to identify is will formula will we use out of the following:

Sin⁻¹ = Opposite ÷ Hypotenuse

Tan⁻¹ = Opposite ÷ Adjacent

Cos⁻¹ = Adjacent ÷ Hypotenuse

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

10 = Hypotenuse

4 = Opposite

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

We know which formula to use because the length won't be in the triangle for example we will be using the Sin triangle because we don't have an adjacent. If we don't have an adjacent then the other formula's won't work.

Now we substitute in the values to find the value of angle XVW

Sin⁻¹ = Opposite ÷ Hypotenuse

Sin⁻¹ = 4 ÷ 10

The value of angle XVW is 23.57817848

6 0
2 years ago
How would you write 12–(3) using a positive exponent?
frosja888 [35]

Answer:

1/12³

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Mark borrowed $600 at an intrest rate of 8% per year for 4 years. How much simple intrest will he have to pay?
miv72 [106K]

Answer:

He will have to pay $192 in simple interest.

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

E = P*I*t

In which E is the interest, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

In this problem, we have that:

P = 600, r = 0.08, t = 4

So

E = P*I*t = 600*0.08*4 = 192

He will have to pay $192 in simple interest.

6 0
3 years ago
In the function m=4n, n is the...
Irina18 [472]
Variable!!!!!!!!!!!!
3 0
2 years ago
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