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Ostrovityanka [42]
3 years ago
9

What is f(x)= (x-12)(x+1) in standard form?

Mathematics
1 answer:
valentina_108 [34]3 years ago
6 0

Answer:

x^2-11x-12

Step-by-step explanation:

I use the box method, which makes a 2x2 box. Then you arrange you numbers based on the equation (show in image)

Then you multiply it out and get the equation

F(x)= x^2+x-12x-12

Simplify your equation and you get

F(x)= x^2-11x-12

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A local animal shelter has 27 dogs and 23 cats. What percent of the<br> animals are dogs?
SVEN [57.7K]

Answer:

54%

Step-by-step explanation:

total  animals=27+23=50

dogs=\frac{27}{50} \times100=54

6 0
3 years ago
If the number in the numerator of a unit rate is one what does this indicate about the equivalent unit rate
OleMash [197]
I don't know if this helps but an equivalent rate is:Rates that represent the same comparison; for example 90km
                    2h         Fraction<------
and 45km/h Confusing i know
7 0
3 years ago
What’s the slope of (4,1) and (5,-3)
LekaFEV [45]

Answer:

-4

Step-by-step explanation:

7 0
2 years ago
Add the following Linear Expressions.<br> (-6y - 3) + 5 (3+2.5y)
amm1812
Answer= 6.5y+12

distribute the 5 in the parentheses:
(-6y-3) + (15+12.5y)
(you can take away the parentheses after this step)

then add like terms together.
12.5y + (-6y) = 6.5y
15 + (-3) = 12

make it one expression.
6.5y + 12
4 0
2 years ago
Help! Will give branliest!!
sergey [27]

Hello from MrBillDoesMath!

Answer:

sin(A) =   k/c

sin(C) =   k/a

Discussion:

By definition of sine ,

sin(A) = side opposite angle / hypotenuse  =  k/c

sin(C) = side opposite angle/ hypotenuse =  k/a

Added remark:

From the first equation, k = c sin(A). From the second equation k = asin(C). Hence.

asin(C) = csin(A)                => divide both sides by "ac"

sin(C)/ c = sin(A)/a          

Which is the law of sines for a triangle.

Thank you,

MrB

4 0
3 years ago
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