NEED HELP ASAP What is the perimeter of the triangle

Mathematics

1 answer:

marin [14]3 years ago

8 0

Answer:

its a right angle and a its an acute angle as well so it be 5

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GuDViN [60]

Answer:

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H=10 cm <br>r= 7cm <br>calculate the volume of the cylinder

Stels [109]

Answer:

V = 1538.6 cm^3

Step-by-step explanation:

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Read 2 more answers

What’s the equation in vertex form?

pshichka [43]

Answer:

$\large\boxed{y=(x+5)^2-64}$

Step-by-step explanation:

$\text{The vertex form of equation}\ y=ax^2+bx+c:\\\\y=a(x-h)^2+k\\\\h=\dfrac{-b}{2a},\ k=f(h)\\\\\text{We have the equation:}\ y=x^2+10x-39\to x=1,\ b=10,\ c=-39.\\\\\text{Substitute:}\\\\h=\dfrac{-10}{2(1)}=\dfrac{-10}{2}=-5\\\\k=f(-5)=(-5)^2+10(-5)-39=25-50-39=-64\\\\\text{Finally:}\\\\y=1(x-(-5))^2-64=(x+5)^2-64$