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Oksi-84 [34.3K]
3 years ago
12

Help me with this, answer any question you like

Mathematics
1 answer:
katrin2010 [14]3 years ago
4 0
The answers are... For the first one Question 1. the answer would be
2x³+2x²-2x

Question 2 the answer is: x²-3x-2

Question 3 the answer is: 2x+2

Question 4 the answer is: x+7

Question 5 the answer is: <span><span><span>−15</span><span>x</span></span></span>²<span>+<span>66x</span></span><span>−<span>63

Hopes this helps! :)</span></span>
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ddd [48]

Answer:

Cup A

Step-by-step explanation:

<u>Cup A</u>

Salt: Water = 3:22

Expressed as a percentage

\dfrac{3}{22} \times 100 = 13.6\%

Proportion of Salt =13.6%

<u>Cup B</u>

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Expressed as a percentage

\dfrac{1}{8} \times 100 = 12.5\%

Proportion of Salt =12.5%

<u>Cup C</u>

Proportion of Salt = 12.75%

Therefore, Cup A has the greatest proportion of salt.

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3 years ago
Explain why there are only three variables in the expression f(x) = a(b)^x + c as it relates to transformations of an exponentia
UkoKoshka [18]

Answer:

Option A.Exponential decay, 55% decrease

we have

This is a exponential function of the form

where a is the initial value

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b=0.45

so

0.45=1+r

r=0.45-1

r=-0.55

Convert to percentage

r=-55% ------> is negative because is a exponential decay

7 0
3 years ago
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Step-by-step explanation:

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Answer:

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