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Gennadij [26K]
3 years ago
7

3(2x) + 4y(5) + 4.2.2

Mathematics
1 answer:
dexar [7]3 years ago
5 0

Answer:

fggewiugwi

Step-by-step explanation:

yougotvtthis getit on

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Simplify<br> PLZ HELP QUICKLY
elena-14-01-66 [18.8K]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
What is the length of side c, given a = 10, b = 8, and c = 105°?
posledela
We can calculate using cosinus method in triangle
c² = a² + b² - 2ab cos c

Plug in the number to the formula
c² = a² + b² - 2ab cos c
c² = 10² + 8² - 2(10)(8) cos 105°
c² = 100 + 64 - 160 cos 105°
c² = 164 - 160 (-0.26)
c² = 164 + 41.6
c² = 205.6
c = √205.6
c =14.34

C is 14.34 unit length
5 0
3 years ago
The perimeter of XYZ is ___ units.
In-s [12.5K]

Look at the picture.

ZY = 5+3=8

For XY and ZX use the Pythagorean theorem.

XY^2=3^2+4^2\\\\XY^2=9+16\\\\XY^2=25\to XY=\sqrt{25}\\\\XY=5

ZX^2=5^2+4^2\\\\ZX^2=25+16\\\\ZX^2=41\to ZX=\sqrt{41}

The perimetero fo XYZ:

P_{\triangle XYZ}=8+5+\sqrt{41}=\boxed{13+\sqrt{41}}

7 0
3 years ago
Someone help me please.
zhenek [66]
I did the answers on the picture.

5 0
3 years ago
Solve y = x - 5 if the domain is -3
DedPeter [7]

Answer:

y = -8

Step-by-step explanation:

The domain is the x values so x=-3

y = x-5

Substituting x=-3

y = -3-5

y=-8

6 0
3 years ago
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