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solong [7]
3 years ago
9

What is f(-1)=x^2-8x-12

Mathematics
2 answers:
Shtirlitz [24]3 years ago
7 0

Answer:

-3

Step-by-step explanation:

f(x)=x²-8x-12

f(-1)=(-1)²-8(-1)-12

      =1+8-12

       =-3

artcher [175]3 years ago
4 0

Answer: f(-1) = (-3)

Step-by-step explanation:

f(-1)=x^2-8x-12

    = (-1)^2 - 8 (-1) - 12

    = 1 + 8 - 12 = 9 - 12

    = -3

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What is the value of x in this diagram? (PLEASE ANSWER!)
Oduvanchick [21]
Remember the definition of vertical angles.

The angle between 7x+7 and 112 are vertical. They are congruent and with the same measure. 

7x +7= 112

Subtract 7 on both sides. 

7x= 105

Divide both sides by 7. 

x= 15

I hope this helps!
~kaikers


4 0
3 years ago
Please help me with this math problem I don’t know it I need to pass this class !!!!!!
Alisiya [41]

The correct option is Option 4: 2a^2b^3 + 10ab^4

Step-by-step explanation:

Given

Length of box = l = ab

Width of box = w = a+5b

Height of box = h = 2b^2

The volume of a box is given by:

V = Length*Width*Height\\V = l*w*h

Putting the values

V = (ab)(a+5b)(2b^2)\\ = (ab)(2b^2)(a+5b)\\=(2ab^3)(a+5b)\\Distributive property\\=(2ab^3*a) + (2ab^3*5b)\\=2a^2b^3 + 10ab^4

Hence,

The correct option is Option 4: 2a^2b^3 + 10ab^4

Keywords: Volume, Polynomials

Learn more about polynomials at:

  • brainly.com/question/9103248
  • brainly.com/question/9323337

#LearnwithBrainly

4 0
3 years ago
What is (2/9)^2 simplified? as a fraction<br><br> 4/81<br> 4/18<br> 4/11<br> 2/9
emmasim [6.3K]
It would be: (2/9)² = 4/81

In short, Your Answer would be Option A

Hope this helps!
6 0
3 years ago
Which value from the set {2, 3, 6, 7} makes 3x + 5 = 11 true?
monitta

Answer:

2

Step-by-step explanation:

3 x 2 = 6 + 5 = 11

Can i  have brainllest

4 0
3 years ago
Read 2 more answers
9) Farmer Joe has lots of rabbits and lots of predators on his farm. Only 3 out of every 10 rabbits live
qaws [65]
<h2>Answer: 90 rabbits</h2>

<em></em>

<h3><em>Step-by-step explanation:</em></h3>

<em>you will need 10 for every 3 rabbits so if you count in tens and three's </em>

<em>3=10</em>

<em>6=20</em>

<em>9=30</em>

<em>and so on..</em>

<em>when you get to 27 you'll be at 90 </em>

<em>27=90 </em>

<em>hope u understand :></em>

8 0
2 years ago
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