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3 years ago

How to graph the function f(x)=-2/3x+490

2 answers:

7 0

Start on the y-axis and put a point at 490 bc it the y-intercept and then from there go up 2 and right 3 and put a point there and keep going and to go down you just go down 2 and left 3 and the point it.

Kisachek [45]3 years ago

4 0

Answer:

Start at 490 then go down 2 left 3

Step-by-step explanation:

I did this to

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3 years ago

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vodomira [7]

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3 years ago

Solve for r.<br><br> -35= -7r

GalinKa [24]

R= 5
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3 years ago

Y=1/4 (x+2)(x – 6

gladu [14]

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3 years ago

The sum of the digits of a two digit number is 9 When the digits are reversed the number increases by 9. Find the number.

Jet001 [13]

Answer:45

Step-by-step explanation:

Let the unit place be ‘x'

Tenth place be y

The number is 10y+x

x+y = 9 (according to the condition) (1)

Digits are interchanged Unit place' y ‘& tenth place ‘ x'

New no is 10x +y

This is 9 more than the original number

10x+ y = 10y+x +9

10x-x+y-10y = 9

9x-9y= 9

x-y = 1 (dividing by 9) (2)

Adding the two equations

2x = 10

x= 5

Substituting the value of x in first equation

y = 4

The number is 45, the original number is 54 this is 9 more of the new number.

Ans :45

6 0

3 years ago