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3 years ago

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Which of these equations has a graph that is tangent to the x-axis at one of its intercepts? Choose all the polynomials that hav

e this property. y = ( x + 2)( x + 6) 2 y = x2 + 6 x + 9 y = x4 y = – x3 y = ( x – 5)( x + 3)( x + 1)( x – 5)

1 answer:

Verdich [7]3 years ago

4 0

Answer:

y = ( x + 2)( x + 6)

Step-by-step explanation:

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Write an appropriate direct variation equation if y = 27 when x = 9

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Y = kx where k is a constant

27 = k*9
k = 27/9 = 3

required variation is y = 3x

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3 years ago

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2 years ago

A central angle in a circle with a radius of 3 cm intercepts an arc with a length of 6 cm what is the measure of the central ang

Fiesta28 [93]

Answer:

$114.59\°$

Step-by-step explanation:

we know that

The circumference of a circle is equal to

$C=2\pi r$

In this problem we have

$r=3\ cm$

substitute

$C=2\pi (3)=6 \pi\ cm$

Remember that

$360\°$ subtends the arc length of the complete circle

so

by proportion

Find the measure of the central angle for an arc length of $6\ cm$

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3 years ago

Plz help , due in 5 mins

Grace [21]

Answer:

option a) 30 : 19

Step-by-step explanation:

$Length = 7 \frac{1}{2} = \frac{15}{2}\\\\Width = 4\frac{3}{4} = \frac{19}{4}$

<em><u>Ratio of length to width:</u></em>

$\frac{15}{2} : \frac{19}{4}$ <em><u></u></em>

$=\frac{\frac{15}{2}}{\frac{19}{4}}\\\\=\frac{15}{2 } \times \frac{4}{19}\\\\=15\times \frac{2}{19}\\\\=\frac{30}{19}\\\\30 : 19$

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2 years ago

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dybincka [34]

Answer:

2 in the hundredths place is greater

Step-by-step explanation:

2 in the hundredths place is 10 times the thousands place

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3 years ago