To rent a certain meeting room, a college charges a reservation fee of

1 answer:

8 0

100.20 < 7.40t + 41
The chemistry club can spend exactly $100.20 for 8 hours, but cannot exceed 8 hours to keep the maxed limit. So 8 hours or less

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If the top of a 4.50 m ladder reaches twice as far up a vertical wall as the foot of the

STALIN [3.7K]

Answer:

4 m.

Step-by-step explanation:

Length of ladder, L = 4.50 m

Base of ladder from the wall, B = x

Height of the wall, H = 2x

Using Pythagoras theorem

$L^2 = B^2 + H^2$

$4.5^2 = x^2 + (2x)^2$

$5x^2 = 4.5^2$

$x = 2\ m\ (approx.)$

Height of the wall is equal to 2 x 2 = 4 m.

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3 years ago

What did the cheesy Elvis sing about?

Nady [450]

Answer:

do you mean Elvis Presley if so he wasn't cheesy he was a great musician with great movies don't talk bad about the king of rock n roll.

Step-by-step explanation:

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2 years ago

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What is the range of the function y = |x |? x ≥ 0 y ≥ 0 all real numbers

Marta_Voda [28]

y ≥ 0 is the range of this absolute value expression because the absolute value means x can never go below 0 and range means the y value, which here is equivalent to |x|

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3 years ago

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Joe measured the diameter of a tennis ball correct to the nearest millimetre. The upper bound of his measurement was 6.75 centim

Mandarinka [93]

The lower bound of the measurement is 65.5 millimetres.

A centimetre equals 10 millimetres, a measure is expressed by the measured magnitude plus uncertainty, the latter one represents the grade of precision of the measure instrument. That is to say:

$y = x + \epsilon$ (1)