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inysia [295]
3 years ago
5

The graph shown matches which quadratic equation?

Mathematics
2 answers:
mina [271]3 years ago
5 0
(2,0) ; 2 units to the right
so answer is
C.  y = (x - 2)^2
Tatiana [17]3 years ago
4 0
I think it's D but I'm not %100 sure
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Answer it and show your work. Which letter choice is it.
ivanzaharov [21]

Answer:

b = 55 degrees

Step-by-step explanation:

The angles 30, a, b and 45 must sum up to 180 degrees

Subtracting (30 + 45) from both sides leaves us with a + b = 105 degrees.

But b = a + 5.  Substituting a + 5 in the equation above yields

a + a + 5 = 105 degrees, so that

2a = 100 degrees, and a = 50 degrees.  Then b = a + 5, or b = 55 degrees.

7 0
3 years ago
Which equation has the same solutions as the equation given below?
Lapatulllka [165]

Answer:

B

Step-by-step explanation:

Also solved eveything

(x+9)^2=49

x^2+18x+81=49

x^2+18x+32=0

a=1, b=18 and c=32

x= (-18 +/- Sqrt (18^2-4×32))/2

x= (-18 +/- Sqrt (324-128))/2

x= (-18 +/- Sqrt (196))/2

x= (-18 +/- 14)/2

x= (-18 +14)/2 = -4/2 =-2

OR

x= (-18 -14)/2 = -32/2 =-16

3 0
3 years ago
Read 2 more answers
Ratio of AC:CB???<br> .———.—————.
erma4kov [3.2K]

Answer:

2:3 I think

Step-by-step explanation:

7 0
2 years ago
Solve the equation 3 x+5 y=16 for y
Liono4ka [1.6K]

Answer:

Y = (16 - 3x)/5

Step-by-step explanation:

3x + 5y = 16

subtract 3x from both sides:

16-3x = 5y

divide both sides by 5:

(16 - 3x) / 5 = y

hope this helps

8 0
3 years ago
A DVD player that normally cost $160 is on sale for 70% of its normal price.What is the sale price of the DVD player.
maw [93]
160 $ = 100%
     x $ = 70%


100 x = 11200
     x =  112


160,00 - 112,00 =  48,00$


7 0
3 years ago
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