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Mashcka [7]
2 years ago
10

Write each parabola in the form y-k=a(x-h)^2 aand determine its vertex.

Mathematics
2 answers:
mezya [45]2 years ago
6 0

Answer:

Step-by-step explanation:

1)

y=-x^2-4x-1\\=-(x^2+4x+4)+4-1\\=-(x+2)^2+3\\\\Vertex=(-2;3)\\\\

2)

y+x^2+2=0\\y=-x^2-2\\\\y=-(x-0)^2-2\\Vertex=(0;-2)\\

Viefleur [7K]2 years ago
5 0

Answer:

Step-by-step explanation:

a

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A+3 1/4+5 2/9 what is the value of a, explain how you got the answer
larisa86 [58]

Answer:

a+305/36

Step-by-step explanation:

Convert

3

1

4

3

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to an improper fraction.

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a

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Convert

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a

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To write

13

4

13

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as a fraction with a common denominator, multiply by

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9

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.

a

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4

⋅

9

9

+

47

9

a

+

13

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⋅

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To write

47

9

47

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as a fraction with a common denominator, multiply by

4

4

4

4

.

a

+

13

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⋅

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9

+

47

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⋅

4

4

a

+

13

4

⋅

9

9

+

47

9

⋅

4

4

Write each expression with a common denominator of

36

36

, by multiplying each by an appropriate factor of

1

1

.

a

+

13

⋅

9

36

+

47

⋅

4

36

a

+

13

⋅

9

36

+

47

⋅

4

36

Combine the numerators over the common denominator.

a

+

13

⋅

9

+

47

⋅

4

36

a

+

13

⋅

9

+

47

⋅

4

36

Simplify the numerator.

a

+

305

36

a

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305

36

3 0
3 years ago
Read 2 more answers
A​ single, six-sided die is rolled. Find the probability of rolling an even number or a number less than 5.
Svetach [21]

The probability of rolling an odd number or a number less than 5 is 5/6.

Probability is the likelihood of the occurrence of an event. It is the ratio of number of events to number of possible outcomes.

The possible outcome from rolling a six-sided die is 1, 2, 3, 4, 5 and 6

P(odd number) = 3/6; P(less than 5) = 4/6; P(odd number and less than 5) = 2/6

Hence:

P(odd number or less than 5) = 3/6 + 4/6 - 2/6 = 5/6

The probability of rolling an odd number or a number less than 5 is 5/6.

8 0
1 year ago
HELPPPPPPPPPPPPPPPPPPPP
Gnesinka [82]
A.
the y intercept is where x=0
x represents the number of months
when the number of months is 0, that is the initial number of games won

that looks to be a little below y=2, so maybe y=1.8?
the y intercept is y≈1.8
it represents the number of games won with 0 months of practice



B.
we can use y=mx+b
m=slope
b=y intercept
we know the y intercept
find the slope
slope=rise/run
the I'm going from x=0 to x=10
the rise is about 18.95 (from 1.8 to 20.75)
the run is 10
so slope would be 18.95/10=1.895

the equation would be y=1.895x+1.8
the points were (0,1.8) and (10,20.75)
6 0
3 years ago
Jason ran 7/8 of a mile in 12 minutes. How many miles can Jason run in 1 hour?
Scrat [10]
Its technically like 7/8 x 60 because 60 mins is an hour
4 0
3 years ago
Read 2 more answers
HELP MEEEEEEEE PLEASE
4vir4ik [10]

Answer:

Option A (3/4)

Step-by-step explanation:

Please mark Brainliest

5 0
3 years ago
Read 2 more answers
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