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3 years ago

15

Can someone please tell me the answers to the last two questions please

2 answers:

Sergeu [11.5K]3 years ago

6 0

Are you supposed to estimate or get an exact answer? If you're estimating you can see if the number is close to any perfect squares. In this case 63 is very close to 64, and 48 is very close to 49. The answers can then be estimated to be approximately 8 and 7, respectively.

Veronika [31]3 years ago

3 0

Sqrt(63)=sqrt(9)*sqrt(7)=3sqrt(7)

3 times the square root of 7

sqrt(48)=sqrt(16)*sqrt(3)=4sqrt(3)

4 times the square root of 3

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2 years ago

Equation of the parabola in vertex form that passes through (4,-7) and has a vertex of (1,-6)

Alina [70]

$y = -\frac{1}{9}(x - 1)^2 - 6$

Step-by-step explanation:

The vertex form of the equation for a parabola is given by

$y = a(x - h)^2 + k$

where (h, k) are the coordinates of the parabola's vertex. Since the vertex is at (1, -6), we can write the equation as

$y = a(x - 1)^2 - 6$

Also, since the parabola passes through (4, -7), we can use this to find the value for a:

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or

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Therefore, the equation of the parabola is

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2 years ago

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Read 2 more answers

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shusha [124]

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