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Trava [24]
3 years ago
14

Which Statement is true Tor the net and the Solla It WII Torm When It Is Tolueu?

Mathematics
1 answer:
pogonyaev3 years ago
6 0
Idk what the answer is
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"An acute angle is an angle smaller than a right angle."
love history [14]

Answer:

<u>C. definition</u>

<u>Step-by-ste</u>p explanation:

"An acute angle is an angle smaller than a right angle or 90 degrees angle . this is the definition of acute angle

6 0
3 years ago
This answer pls help
serg [7]
12 I think? I’m just guessing sorry.
6 0
3 years ago
X2 + 8x + 19 = 0 What is the equivilent that results from completing the square?
IrinaVladis [17]

Answer:

(x+4)^2+3=0

Step-by-step explanation:

Hey there!

Standard form is what this equation is in

Standard form is this: ax^2+bx+c

So order to complete the square, you need to take the b term out of the equation, divide it by two, and then square it

In this case, the b term is 8

We need to divide 8 by 2 ---> 4

Then square 4 ---> 16

So now you should add 16 to both sides

x^2+8x+16+19=16

Now you can simplify the LHS

(x+4)^2 +19=16

Now you subtract 16 from both sides

(x+4)^2+3=0

So this is as far as you can go since you cannot take the square root of a negative number

5 0
2 years ago
What is the inverse and domain of f(x)=x^2+4
Allushta [10]
The domain of the inverse of a function is the range of the original function

so find the range of f(x)
this is lowest to highest
we got the vertex is at (0,4)
and it goes to infinity
so range is from 4 to infinity

inverse
replace f(x) with y
switch x and y
solve for y
replace y with finverse

f(x)=x^2+4
y=x^2+4
x=y^2+4
x-4=y^2
y=√(x-4)
f⁻¹(x)=√(x-4)

inverse is f⁻¹(x)=√(x-4)
the domain is x≥4


7 0
3 years ago
Read 2 more answers
Trig question -- please help if you can!
yanalaym [24]
\bf \textit{Sum and Difference Identities}&#10;\\\\&#10;sin(\alpha + \beta)=sin(\alpha)cos(\beta) + cos(\alpha)sin(\beta)&#10;\\\\&#10;cos(\alpha + \beta)= cos(\alpha)cos(\beta)- sin(\alpha)sin(\beta)\\\\&#10;-------------------------------\\\\&#10;y=r[cos(\theta +R)]\implies y=r[cos(\theta )cos(R)-sin(\theta )sin(R)]&#10;\\\\\\&#10;y=rcos(\theta )cos(R)-rsin(\theta )sin(R)&#10;\\\\\\&#10;z=r[sin(\theta +R)]\implies y=r[sin(\theta )cos(R)+cos(\theta )sin(R)]&#10;\\\\\\&#10;z=rsin(\theta )cos(R)+rcos(\theta )sin(R)
4 0
3 years ago
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