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3 years ago

10

For a given input value u, the function h outputs a value v to satisfy the following equation. 4u+8v=-3u+2v Write a formula for

h(u) in terms of u.

1 answer:

aliya0001 [1]3 years ago

8 0

Answer:

h(u) = -7u/6

Step-by-step explanation:

...

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At a temperature of t degrees Fahrenheit, sound travels s feet per second, where s equals 21.9 StartRoot 5 t plus 2457 EndRoot

mafiozo [28]

Answer:

32.63 F

Step-by-step explanation:

The function:

$s = 21.9 \; \sqrt{ 5 t + 2457 }$

represents sound travels s at feet per second, where t is the temperature at Fahrenheit degrees.

We know that sound traveled at a rate of 1121 ft/sec. To find the temperature we need to replace with s value and isolate t for the above function.

$1121 = 21.9 \; \sqrt{ 5 t + 2457 }$

$\frac{1121}{21.9} = \sqrt{ 5 t + 2457 }$

$51.19^2 = 5 t + 2457$

$2620.13 - 2457 = 5 t$

$\frac{163.13}{5} = t$

$32.63 \; F= t$

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Answer:

1) 2 5/9

2) 4 5/6

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Step-by-step explanation:

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Evaluate the expression (1/5) to the 3rd power

slamgirl [31]

Answer:

1/125

Step-by-step explanation:

(1/5) ^3

1/5 *1/5 *1/5

1/125

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