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Diano4ka-milaya [45]

3 years ago

8

What is 100.71 out of 2,254.58 in percentage?

1 answer:

Mama L [17]3 years ago

8 0

$\dfrac{100.71}{2,254.58 } \times 100 = 4.47\% \text{ nearest hundredth}$

Answer: 4.47%

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kodGreya [7K]

Answer:

$y=-2\,(x+3)^2-3$

Step-by-step explanation:

Notice that they are asking you to write the equation of the parabola in vertex form, that is using the coordinates of the vertex $(x_v,y_v)$ in the expression:

$y-y_v=a\,(x-x_v)^2\\y=a\,(x-x_v)^2+y_v$

we can start by directly replacing the given vertex coordinates (-3, -3) in the expression, and then using the extra info on the point the parabola goes through in order to find the parameter $a$ :

$y=a\,(x-x_v)^2+y_v\\y=a\,(x+3)^2+(-3)\\y=a\,(x+3)^2-3\\-5=a\,(-2+3)^2-3\\-5=a\,(1)-3\\a=-5+3\\a=-2$

So, now we can write the full expression for the parabola:

$y=a\,(x+3)^2-3\\y=-2\,(x+3)^2-3$

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2 years ago

Can somebody help me on this please on this 9x+7y+6 (x+2y)

Ipatiy [6.2K]

The answer is 10x+9y+6 if your trying to combine all like terms.

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3 years ago

A to the power of 0 multiply by A to the power of 6

alukav5142 [94]

Answer:

just a

Step-by-step explanation:

because if you do anything times by zero, it is zero.

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Murrr4er [49]

Answer:

x = 98/17 = 5.765

Step-by-step explanation:

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