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hichkok12 [17]
3 years ago
8

Multiply: 68.1 x 0.8 ___________________ explain it plz

Mathematics
2 answers:
MArishka [77]3 years ago
4 0

Answer:

54.48

Step-by-step explanation:

evablogger [386]3 years ago
4 0

Answer:

54.48

Step-by-step explanation:

 68.1

x  0.8

54.48

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Consider the line 7x+9y=5
alisha [4.7K]

Answer:

The slope of a line parallel to this line will be: -7/9

The slope of the perpendicular line will be:

\frac{-1}{\frac{-7}{9}}=\frac{9}{7}

Step-by-step explanation:

We know the slope-intercept form

y=mx+b

Here,

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  • b is the y-intercept

Given the equation

7x+9y=5

simplifying to write in the lope-intercept form

y=-\frac{7}{9}x+\frac{5}{9}

Thus, the slope of the line is: -7/9

The slope of a line parallel to the line:

We have already determined that the slope of the line is: -7/9

  • We know that the parallel lines have the same slope.

Thus, the slope of a line parallel to this line will be: -7/9

The slope of a line perpendicular to the line:

We have already determined that the slope of the line is: -7/9

As we know that the slope of the perpendicular line is basically the negative reciprocal of the slope of the line.

Thus,  the slope of the perpendicular line will be:

\frac{-1}{\frac{-7}{9}}=\frac{9}{7}

4 0
3 years ago
I don’t understand this either
trasher [3.6K]
It is a part of slope form ( intercept
7 0
3 years ago
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If f(x)=1/9x-2 what is f^-1(x)
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Answer:

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Step-by-step explanation:

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3 years ago
How much simple interest is earned on $4,000 in 3 1/2 years at an interest rate of 5.2%?
AveGali [126]

Answer:

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Step-by-step explanation:

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I = PRT

I = (4000)(0.052)(3.5)

I = 728

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2 years ago
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