3 years ago

Factor completely. vwx + wxy - xyz

Mathematics

1 answer:

Tanzania [10]3 years ago

5 0

I don't know about this

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Explain why you would make one of the addends a tens number

saveliy_v [14]

What does that mean?

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3 years ago

15-2x=-7x what does x equal

Degger [83]

Answer:

x = -3

Step-by-step explanation:

15 - 2x = -7x

add 2x

15 = -5x

divide by -5

-3 = x

4 0

3 years ago

The formula for the perimeter of a rectangle is p=2(1+w) solve for w.

Dvinal [7]

P=2*(l+w)
p=2l+2w
2w=p - 2l
w= (p-2l)/2

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3 years ago

Alex is standing 60 feet from the base of a flagpole. He measures the angle of elevation to the top of the pole as 35º. Vera is

ivanzaharov [21]

Answer:

49.4 degrees

Step-by-step explanation:

In Triangle AXY,

$Tan 35^0=\frac{|XY|}{60} \\|XY|=60*Tan 35^0=42.01\:feet\\$Therefore, Height of the pole=42.01 \:feet$

We want to determine the angle of elevation from the point Vera is standing to the top of the flagpole, which is the angle at V in the diagram.

In Triangle XVY

|VY|=36 feet

$Tan \theta=\frac{|XY|}{|VY|} \\Tan \theta=\frac{42.01}{36}\\ \theta=arctan(\frac{42.01}{36})\\ \theta=49.4^0$

Therefore, the angle of elevation from the point Vera is standing to the top of the flagpole is 49.4 degree to the nearest tenth of a degree.

4 0

3 years ago

What is the solution of 3x + y = 9 and 3x − 5y = 15?

Alinara [238K]

3x+y=9 ....(1)
3x-5y=15. ......(2)
-[3x-5y=15]
=> 3x+ y = 9
-3x+5y=-15
..........................
0 +6y=-6
so,y=-1
3x+(-1)=9
3x=10
x=10/3

4 0

3 years ago

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