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11Alexandr11 [23.1K]
3 years ago
15

Find the vertex of each parabola by completing the square. x2?6x+8=yx2-6x+8=y

Mathematics
1 answer:
ipn [44]3 years ago
5 0
Y = x^2 - 6y + 8

y = (x - 3)^2 - 9 + 8

y = (x -3 )^2  - 1

vertex is at ( 3, -1)
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A construction crew is lengthening a road. The road started with a length of
raketka [301]
L = 4d + 54

after crew worked 33 days...d = 33
L = 4(33) + 54
L = 132 + 54
L = 186...so after 33 days, the crew made a road that measures 186 miles
4 0
3 years ago
Solve the equation. Check your answer.<br> 4|2x - 2|= 32
Eva8 [605]

Answer:

x

=

4

or

x

=

−

4

Explanation:

First divide throughout by

2

to get

x

2

=

16

Now take the square root on both sides to get

x

=

±

4

.

You may now substitute the values of

x

=

4

and

x

=

−

4

back into the original equation and check that it satisfies the equation which it does.

Step-by-step explanation:

4 0
3 years ago
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Please helppppppppppppppppppppppppppppp
Jobisdone [24]

Answer:

54

Step-by-step explanation:

angle A+angle B+Angle C =180 degree [ angle sum property of a triangle]

36 +90 + angle B =180 degree

126 +angle B =180 degree

angle B= 180-126

54 degree

Ans

5 0
3 years ago
I will give you brainly for the best and fastest answer
Natali [406]

Replace y in the second equation with the value of Y from the first equation:

-x - 3 = 5

Add 3 to both sides:

-x = 8

Multiply both sides by -1:

x = -8

The answer is:

(-8,3)

4 0
4 years ago
The area of the parallelogram is 17.6cm. What is the length of the base
Svetllana [295]

Answer:

hope it helps

area of parallelogram: base × height = 17.6 cm sq

                                  ⇒ 4 × h = 17.6

                                  ⇒ h = 17.6/4

                                  ⇒ h = 4.4 cm

Step-by-step explanation:

7 0
2 years ago
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