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noname [10]
3 years ago
5

What is the value of n so that the expression x^2 + 12x + n is a perfect square trinomial? (1 point)?

Mathematics
1 answer:
Rama09 [41]3 years ago
6 0
X^2 + 12x + n
x^2 + 12x + (12/2)^2
x^2 + 12x + 6^2
n = 36
(x + 6)^2 will give you a perfect square.
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What does a proportion look like?
AURORKA [14]

A proportion looks like this:

a\div b = c\div d

It means that the quantity a,b,c and d are in the same proportion: the ratio between a and b is the same ratio between c and d.

They are particularly useful in situation when you have an example given, and you want to extrapolate the relationship for another couple.

For example, you can think of the following problem: "Five apples cost 2 dollars. How much will 8 apples cost?"

You can build the proportion

5\div 2 = 8\div x

And then solve it for x:

\dfrac{5}{2}=\dfrac{8}{x} \iff 5x=16 \iff x = \dfrac{16}{5} = 3.2

6 0
2 years ago
Help me please !!!!!
Nina [5.8K]
The answer is C. you can check the attached picture.

4 0
3 years ago
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anzhelika [568]

Answer:

m<b=107º

Step-by-step explanation:

180-41-32=107

D and B are congruent

3 0
2 years ago
( THE SUM OF THE MEASURES OF THE ANGLES BELOW IS 180* ) I will give brainlst for whoever gets this right and fills it out
Rufina [12.5K]

Answer:

2x-10+x+x+10=180, or 4x=180

Step-by-step explanation:

So since the total is 180, you add them all up like an equation.

So,

2x-10+x+x+10

Combine like terms

4x=180

x=45

Then plug it back in to the equations.

x=45

(2x-10)=80

(x+10)=55

5 0
3 years ago
*<br>87-1 = 25+2 simplifies to :​
Xelga [282]
It simply to nothing
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2 years ago
Read 2 more answers
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