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3 years ago

-2 1/6 as a decimal i don’t know the answer

Mathematics

1 answer:

slavikrds [6]3 years ago

8 0

Use Cymath just type it in

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For which function is f(x) not equal to f-1(x)?

kobusy [5.1K]

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2 years ago

An 8-meter roll of blue ribbon costs $5.12. What is the unit price?<br> per meter<br> Submit

ivann1987 [24]

Answer:

$0.64

Step-by-step explanation:

Unit price is the cost of a single metre of ribbon

5.12/8=0.64

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2 years ago

A total of four and x is less than or equal to 8

ANTONII [103]

4+x <u><</u> 8: i believe this would be the right answer

4 0

2 years ago

Find all points on the circle (x^2) + (y^2) = 676 where the slope is 5/12

borishaifa [10]

Implicit defferentation

remember that dy/dx y= dy/dx

so
take derivitive of both sides
$2x+2y \space\ \frac{dy}{dx}=0$
solve for $\frac{dy}{dx}$
minus 2x both sides
$2y \space\ \frac{dy}{dx}=-2x$
divide both sides by 2y
$\frac{dy}{dx}=\frac{-2x}{2y}$
$\frac{dy}{dx}=\frac{-x}{y}$

when is the slope equal to $\frac{5}{12}$
solve for $\frac{dy}{dx}=\frac{5}{12}$
$\frac{dy}{dx}=\frac{5}{12}$
$\frac{5}{12}=\frac{-x}{y}$
$5y=-12x$
$y=\frac{-12}{5}x$
find where the circle and this line intersects

substitute $\frac{-12}{5}x$ for y
$x^2+(\frac{-12}{5}x)^2=676$
$x^2+\frac{144}{25}x^2=676$
$\frac{25}{25}x^2+\frac{144}{25}x^2=676$
$\frac{169}{25}x^2=676$
times both sides by $\frac{25}{169}$
$x^2=100$
sqrt both sides, take positive and negative roots
x=+/-10

sub back

$y=\frac{-12}{5}x$
$y=(\frac{-12}{5})(10) \space\ or \space\ (\frac{-12}{5})(-10)$
$y=\frac{-120}{5} \space\ or \space\ \frac{120}{5}$
$y=-24 \space\ or \space\ 24$

the points are (10,-24) and (-10,24)

8 0

2 years ago

Read the top and answer 100 points

77julia77 [94]

Answer:

1)30.1029995664

2)69.2980392812

3)168.080670083

4)(3x/3=13/3

x=4.33333333333

5)5x-(5000)=0

5x=5000

x=5000/5

x=1000

6)(2)3(x+2)=(6000)=0

23x+46-6000=0

23x-5954=0

23x=5954

x=5954/23

x=258+20/23

Hope this help you!

7 0

3 years ago

Read 2 more answers