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2 years ago

10

THE FUNCTION! f(x) = x^2+4 is defined over the interval (-2,2). If the interval is dived into n equal parts what is the height o

f the right endpoint of the kth rectangle?

1 answer:

Svetradugi [14.3K]2 years ago

3 0

Answer:

-2+k.5/n

Step-by-step explanation:

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Use the coordinates to find the perimeter of the rectangle. D(1,2), E(1,7), F(4,7), G(4,2) *

JulsSmile [24]

Answer:

16

Step-by-step explanation:

DE is the vertical line x=1. It extends between y=2 and y=7, a distance of 5 units.

EF is the horizontal line y=7. It extends from x=1 to x=4, a distance of 3 units.

Then the perimeter of half the rectangle is 5+3 = 8 units.

The perimeter of the rectangle is 2·8 = 16 units.

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3 years ago

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Dmitry [639]

Answer:

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Step-by-step explanation:

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3 years ago

A 270 feet escalator is leaning against a wall and makes a 53 angle with the floor. How high does the escalator reach the wall

r-ruslan [8.4K]

Answer:

x=215.63 ft

Step-by-step explanation:

sin(53）=x/270

x=270sin(53)

x=215.63 ft

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3 years ago

Explain how are fractions, decimals, and percent related

erik [133]

Answer:

the relationship between fractions, decimals and percents is that they are just different numerical expressions of the same value.

Step-by-step explanation:

For example, 50% = $\frac{50}{100}$ = 0.50

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Luba_88 [7]

Answer:

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Step-by-step explanation:

.................................

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2 years ago