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Paladinen [302]
3 years ago
5

Can i please get help with this geometry test?

Mathematics
2 answers:
RoseWind [281]3 years ago
6 0

Answer:

im here for the points sorry

Step-by-step explanation:

Talja [164]3 years ago
6 0

Answer:

same

Step-by-step explanation:

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4c^2-8c-1=0 complete the square round to nearest hundredth
olga55 [171]
Move constant to other side
add 1
4c^2-8c=1
divide by 4 to make leading coeficient 1
c^2-2c=1/4
take 1/2 of linear coeficient and square it
-2/2=-1, (-1)^2=1
add that to both sides
c^2-2c+1=1/4+1
factor perfect squaer and add
(c-1)^2=5/4
square root both sides
c-1=+/-(√5)/2
add 1
c=1+/-(√5)/2

c=2.12 or -0.12
8 0
3 years ago
Please answer as well?
dimulka [17.4K]

Answer:

I think it is the 3rd one

Step-by-step explanation:

I hope it is. Sorry if not, I tried.

8 0
3 years ago
Find the inverse function for f(x)=sqrt2x-6 picture below
Olenka [21]

Answer:

y = (x^2 + 6) / 2

Step-by-step explanation:

Original function: \sqrt{2x - 6}

To find the inverse of a function we have to switch the x and y values and solve for y again

x = sqrt (2y-6)

To get rid of a square root we square the square root so:

x^2 = 2y-6

Add 6

x^2 + 6 = 2y

Divide by 2

y = (x^2 + 6) / 2

6 0
3 years ago
Simplest form<br> 3/10 + 7/12 =
pochemuha
3(12)/10(12) + 7(10)/12(10) = 36/120 + 70/120

==> 18/60 + 35/60 = 53/60
7 0
3 years ago
The woods family traveled 25 miles in 1/2 hour. If it is currently 3:00 pm and the family's destination is 225 miles away at wha
svetlana [45]
<span>Given: family travelled 25 miles in 30 minutes or 50 miles /hr current time 3.00 pm. total distance=225 miles. solution: speed = distance * time time = distance/spedd = 225/50 time = 4.5 hours. reaching time= 3 hours +4 hour 30 minutes= 7.30 pm</span>
5 0
3 years ago
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