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Nana76 [90]
3 years ago
15

CRITICAL THINKING Tell whether each statement is sometimes, always, or never true. Give an example or a counterexample for each.

Mathematics
2 answers:
Anettt [7]3 years ago
7 0

Answer:

34) sometimes

36) always

Step-by-step explanation:

34) counterexample:  4 - 10 = -6

Semenov [28]3 years ago
5 0
34) sometimes
36) always

Example: 5-9=-4
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What if i=radical -1, what is the value of i^3
aleksklad [387]

\bf i^3\implies \sqrt{-1}\cdot \sqrt{-1}\cdot \sqrt{-1}\implies (\sqrt{-1})^2\sqrt{-1}\implies \sqrt{(-1)^2}\cdot \sqrt{-1} \\\\\\ -1\cdot i\implies \boxed{-i}

6 0
3 years ago
Which statement describes the end behavior of the exponential function f(x) = 2x – 3?
charle [14.2K]
The <u>correct answer</u> is:

As x→-∞, y→-3.
As x→∞, y→∞.

Explanation:

As our values of x get further into the negative numbers, the value of 2ˣ will approach 0.  This is because raising a number to a negative exponent "flips" the number below the denominator and raises it to a power; we end up with smaller and smaller fractions, eventually so small that they nearly equal 0.  

This will make the value of the function 0-3=-3.

As x gets larger and larger (towards ∞), the value of y, 2ˣ, continues to grow as well.  Since it continues to grow exponentially, we say the value approaches ∞.
3 0
2 years ago
Read 2 more answers
7. The probability that Jane smokes is 4/9. The probability
svet-max [94.6K]

To find the probability that she develops lung cancer given that she smokes, multiply the two probabilities together:

4/9 x 3/10 = (4 * 3) / (9*10) = 12/90 = 2/15

6 0
2 years ago
PLEASE HELP ME ASAP 50 POINTS AND BRAINLIEST!!!!!!
Virty [35]

Answer:

The first shape is triangle; area of a triangle = 1/2*b*h

= 1/2*7*3

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= 21/2

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The second shape is rectangle; area of rectangle = l*b

= 7*3

= 21

Total area:

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7 0
2 years ago
Find the volume of the composite figure
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I dont know maybe I just want points
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