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OLga [1]
3 years ago
11

I need help with my homwork

Mathematics
1 answer:
Reil [10]3 years ago
6 0
M= 1/2x+6
N= 1/2x-3
They both have the same slope.
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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%20%7B%7D%5E%7B2%7D%20-%204%20%7D%7B%20%5Csqrt%7Bx%20%7B%7D%5E%7B2%7D%20-%206x%2
Nimfa-mama [501]

First of all, we can observe that

x^2-6x+9 = (x-3)^2

So the expression becomes

\dfrac{x^2-4}{\sqrt{(x-3)^2}} = \dfrac{x^2-4}{|x-3|}

This means that the expression is defined for every x\neq 3

Now, since the denominator is always positive (when it exists), the fraction can only be positive if the denominator is also positive: we must ask

x^2-4 \geq 0 \iff x\leq -2 \lor x\geq 2

Since we can't accept 3 as an answer, the actual solution set is

(-\infty,-2] \cup [2,3) \cup (3,\infty)

7 0
3 years ago
A statue casts a shadow that is 45 feet
exis [7]
It’s not my answer but I think it’s correct!

6 0
3 years ago
You are planning a trip that will take you 821 miles from home. your car gets 24 miles per gallon, and the average price of gas
Blizzard [7]
The answer:

the total distance of the trip is 821 miles from home,
for this the car <span>gets 24 miles per gallon
</span>the average price of gas is $3.74 per gallon
the price can be calculated as:
for the trip, 
24 miles-------------1 gallon
821 miles------------ x= 821/24=34.20 gallons

1 gallon------------- $3.74
34.20 gallons---------x=?

to find this value

34.20 gallons x $3.74 = $127.93.
5 0
3 years ago
Name the angle relationship
Akimi4 [234]

Answer:

alternate interior..............

5 0
3 years ago
Read 2 more answers
Write the expression in factored form x^2 + 12x + 36
Alex Ar [27]
(x + 6) (x + 6)

(x + 6)^2
6 0
3 years ago
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