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BartSMP [9]
3 years ago
7

What ratio is equivalent to 4:5​

Mathematics
2 answers:
ololo11 [35]3 years ago
6 0

Answer:

8:10

Step-by-step explanation:

multiplied both sides by 2

omeli [17]3 years ago
4 0

Answer: 8:10

Step-by-step explanation:

Any ratio where it can simplify to 4:5 is equivalent to 4:5. You can multiply the ratio by any number and it would still be equivalent to 4:5.

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Diagram below shows the curve of a quadratic function
uranmaximum [27]

Answer:

q = -8, k = 2.

r = -6.

Step-by-step explanation:

f(x) = (x - p)^2 + q

This is the vertex form of a quadratic where the vertex is at the point (p, q).

Now the x intercepts are at -6 and 2 and the curve is symmetrical about the line x = p.

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So we have:

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Now the graph passes through the point (2, 0) , where it intersects the x axis, therefore, substituting x = 2 and f(x) = 0:

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Now convert this to standard form to find k:

f(x) = 1/2(x + 2)^2 - 8

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f(x) = 1/2x^2 + 2x + 2 - 8

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So k = 2.

The  r  is the y coordinate when x = 0.

so r = 1/2(0+2)^2 - 8

=  -6.

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maxonik [38]

Answer:

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:D

7 0
2 years ago
Read 2 more answers
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