1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lord [1]
4 years ago
7

Simplify: -3(y+2)^2-5+6y​

Mathematics
1 answer:
krek1111 [17]4 years ago
4 0

Answer:3y^2+18y+7

:) happy to help

You might be interested in
Evaluate tan ( cos^-1 ( 1/8 ) ) , giving your answer as an exact value (no decimals)
vekshin1

\bf cos^{-1}\left( \cfrac{1}{8} \right)=\theta \qquad \qquad cos(\theta )=\cfrac{\stackrel{adjacent}{1}}{\stackrel{hypotenuse}{8}}\impliedby \textit{let's find the \underline{opposite}} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ \pm\sqrt{8^2-1^1}=b\implies \pm\sqrt{63}=b ~\hfill tan(\theta )=\cfrac{\stackrel{opposite}{\pm\sqrt{63}}}{\stackrel{adjacent}{1}} \\\\\\ ~\hspace{34em}


\bf \stackrel{\textit{keeping in mind that}}{tan\left(cos^{-1}\left( \frac{1}{8} \right) \right)}\implies tan(\theta )

5 0
3 years ago
Does anyone know #11
lara31 [8.8K]

Answer:

C. both student 1 and student 2

Step-by-step explanation:

Dilation does not change any angles, so the triangles are similar and the trig functions of corresponding angles will be identical.

The slope of CB is -1/3 and the slope of BA is 3, so they multiply together to give -1. That means the segments are at right angles and the triangle is a right triangle.

Both the premise and the conclusion of each student is correct.

3 0
3 years ago
Pleaseeeeeeeee helppp
Stolb23 [73]
2(x-1)=42
2x-2=42
2x=44
X=22
8 0
3 years ago
Solve for X 2( 5.5x+1) =24<br><br><br><br><br><br> )
vredina [299]

Answer:

x=2

Step-by-step explanation:

11x+2=24

11x=22

22/11=2

x=2

7 0
3 years ago
A group of workers is harvesting berries at a constant rate. An equation that represents the number of baskets of berries the wo
wolverine [178]
What do you want to know?
7 0
3 years ago
Other questions:
  • Determent whether 318 is divisible by 2,3,4,or 6
    6·2 answers
  • 5d-2g=9: g solve for g. the final answer has to start with g=
    7·1 answer
  • Mark earns 22% commission on his sales. If his sales were $300, how much commission did he earn!
    6·1 answer
  • F(x)=-4x²-6x-1and g(x)=-x²-5x+3 find (f+g)(x)
    12·1 answer
  • How do I find the area ASAP
    6·1 answer
  • Four friends were born in consecutive years. The sum of their
    7·1 answer
  • Please whats the answer to this question
    8·2 answers
  • You throw a ball into the air from a height of 5.5 feet with an
    13·1 answer
  • Write the set using the roster method A={a|a an even number and 15&lt; a&lt; =25}
    11·1 answer
  • Can someone please answer this question. ASAP. put it as an whole number. NOT A FRACTION.
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!