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Kaylis [27]
3 years ago
12

F(x)=14-2x If f(x)=20, find x

Mathematics
2 answers:
Scilla [17]3 years ago
4 0

X=-3

Step-by-step explanation:

14-2x=20

-2x=20-14

-2x=6

x=6÷(-2)

x=-3

mixer [17]3 years ago
3 0

Answer:

x= -3

Step-by-step explanation:

20=14-2x

-14 -14

6 = -2x

÷-2 ÷-2

-3 =x

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1/3 divided by 8??????????
Serga [27]

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8 0
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Find the slope of each of the lines below:
kolezko [41]
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The slope is "Undefined".
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3 years ago
What kind of association is this, negative or positive?​
erik [133]

Answer:

negative association

Step-by-step explanation:

This diagram is a scatter plot which represents a set of data.  Data on a scatter plot can fit one of three descriptions:  positive (increasing), negative (decreasing) or no association (points do not form any kind of line).  Given this data and the line of best fit, or the line that pass through the majority of the points, it is a decreasing line.  Since the line goes downhill, it is a negative association.  

7 0
3 years ago
Alma invests $300 in an account that compounds interest annually. After 2 years, the balance of the account is $329.49. To the n
-Dominant- [34]

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We know, formula for compound interest

A=P(1+r)^t

Plugging values in formula, we get

329.49=300(1+r)^2

\mathrm{Divide\:both\:sides\:by\:}300

\frac{300\left(1+r\right)^2}{300}=\frac{329.49}{300}

\left(1+r\right)^2=1.0983

Taking square root on both sides, we get

1+r=\sqrt{1.0983}

\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}

1+r-1=\sqrt{1.0983}-1

r=\sqrt{1.0983}-1

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Therefore, the rate of interest on the account is 4.8% compounds annually.

5 0
3 years ago
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lina2011 [118]

Answer:

(-1/3; 4)

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=> (-1/3; 4)

7 0
3 years ago
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