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2 years ago

All squares are rectangles. A. True B. False

Mathematics

2 answers:

Arisa [49]2 years ago

5 0

Answer:

A true

Step-by-step explanation:

Rectangles have parallel sides and 90 degree angles.

Squares have parallel sides and 90 degree angles and equal length sides

Square are a subset of rectangles

All squares are rectangles

Novosadov [1.4K]2 years ago

5 0

Answer:

b. false

Step-by-step explanation:

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The population of bacteria can be modeled by the function below, where t represents the time since the population started decayi

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Answer:

See Explanation

Step-by-step explanation:

The question is incomplete. I will assume the function is:

$f(t) = 15(0.86)^t$

Required

Determine the rate of decay

In an exponential function $f(x) = ab^x$ ,

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By comparison:

$b = 0.86$

So, the equation becomes:

$1 - r = 0.86$

Make r the subject

$r = 1 - 0.86$

$r = 0.14$

<em>The rate of decay is 0.14</em>

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