3 years ago

A building has an entry the shape of a parabolic arch 22 ft high and 28 ft wide at the base, as shown below.

1 answer:

5 0

The parabola is at Max of 22

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ira [324]

Subtract ; 68 - 24 =44 so that means Sarah is 44 years old.

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3 years ago

NARA [144]

27.8 × 9.6=266.88 and if rounded its 267.0(:

6 0

3 years ago

Eva8 [605]

Answer:

x= -10 ; y= 3

Step-by-step explanation:

see the picture

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3 years ago

andrew-mc [135]

Answer:

x = 4 or x = 0.78

Step-by-step explanation:

9x² – 29x – 28 = 0

2 roots: x = ((-(-29) ± √(-29)² - 4 x 9 x (-28)) / (2 x 9)

= (29 ± √841 + 1008) / 18

= (29 ± 43) /18

x = 72 /18 = 4 or

x = -14 /18 = - 0.78

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3 years ago

dmitriy555 [2]

If two chords intersect each other inside a circle, the products of their segments are equal.

3n = 6*4
3n = 24
n = 24/3
n = 8

6 0

3 years ago