3 years ago

HELLLLPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics

1 answer:

Natali5045456 [20]3 years ago

5 0

Answer:

3/1

Step-by-step explanation:

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Y= -3x^2-24x-46 write in vertex form

mario62 [17]

ANSWER

$y= -3{(x + 4)}^{2} + 2$

EXPLANATION

The given function is:

$y= -3x^2-24x-46$

Factor -3 for the first 2 terms.

$y= -3(x^2 + 8x)-46$

We add and subtract the square of the coefficient of x.

$y= -3(x^2 + 8x + {(4)}^{2} ) - - 3( {4)}^{2} -46$

Factor the perfect square trinomial.

$y= -3 {(x + 4)}^{2} ) + 48 -46$

The vertex form is:

$y= -3{(x + 4)}^{2} + 2$

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3 years ago

Is 35 - square root of 40 greater than 6 pi?

Yakvenalex [24]

Yes it is greater

35 - square root(40) = 28.6754446797

Pi(6) = 18.8495559215

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3 years ago

20. Find the amplitude and period of the function f (x) = -2 sin x.

Georgia [21]

Answer:

Step-by-step explanation:

Amplitude=2

period=2π

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3 years ago

A credit card is 0.76 mm thick. How thick is a stack of 10*3 credit cards? Explain your reasoning.

kipiarov [429]

Answer: 760 mm thick

Step-by-step explanation: Because 10 cubed equals 1000, just multiply .76 by 1000 and you get your answer.

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3 years ago

Lucinda has 9 ounces flour. A batch of cupcakes requires 13 ounce of flour.

barxatty [35]

Answer:

Lucinda can't do either since she only has 9 ounces

Step-by-step explanation:

Lucinda needs more than 9 ounces to do a bath of cupcakes and a batch of muffins.

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