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Baecool5584
08.07.2020 •
Mathematics
Find the value of the letter in each of the following. Give your answers to 1 d.p.
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Ответ:
Step-by-step explanation:
z=45
in right triangle
One angle is always 90°
z+z+90=180
2z=90
z=45
2)similarily of the first one but doing same on both side
45+45=90
s=90
3) cos 45=adj/hyp
cos45=x/2
(cos45=1/√2)
1/√2=x/2
2/√2=x
2x√2/√2x√2=x
2√2/2=x
x=√2 cm
Ответ:
f(x)=500(2)^x
Step-by-step explanation: