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Then it would be D right?

When x=0   y = 6     the only equation that fits this is the first one

but as a check, what is the value at x = 12

    7/8 (12) + 6 = ~ 17    check!

No.....it shows when there were ZERO drivers enrolled  (x=0   the x-axis is drivers enrolled) there was 17 accidents per month (y=17   y axis is accidents per month)

Ha ...you are right....you cannot roll a  4- 0 !     so   only   5 /36 .......sorry! 

thats not right 

6 x 6 = 36 possible combo  rolls

Divisible by 8 =     16 24 32 40 56 and 64        6 out of 36 = 1/6

From week 2 to week 4 the plant grows from 10 to 15 inches.....5 inches in two weeks is  2.5 inches per week.....at week ZERO it would be 5 inches shorter than in week 2     10-5 = 5  inches initially

The plant was 5 inches when she bought it and grew 2.5 inches/week.

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Wellll......we need to see the graph !  

https://web2.0calc.com/questions/15z-3z-1-4z-1-1

Please do nto post questions more than once     

thank you  !

-2 sin(2x) -2

Remember ...the question says it IS a reflection....so you need the initial ' - ' sign

then amplitude   2

then 2x to make period = pi

then the -2 at the end to shift it DOWN 2 units so the midline is y = -2

Your question does not say that the expression = 0 , so

15z^2 + (-1)(3z-1)(4z-1) + 1            you can change to   -3z+1    or  -4z+1 but NOT BOTH (or just leave it)

15 z^2 + (-1)(12z^2 - 7z +1) +1

15z^2 -12z+7z-1+1

3z^2 +7z

= z(3z+7)

I'm sorry, but I didn't need to know what z was. Just how to simplify the expression. 

deleted.

Amplitude =   (hi-lo )/2  = 10/2 = 5 in

period = 12 sec     2pi/12 = pi/6

sine wave

5 sin (pi/6 x)

G'Luck....I hope it is getting clearer to ya !

Thank you for answering all three questions 

Velocity = how far, how fast=  distance/time =   (10 laps * 1mile/lap)  /  250 s  = 10 miles/250 s = .04 mile/s =  144 mile/hr

Is the man rowing a boat full of scouts?

   the velocities would add      14 + 5 = 19 mph relative to the bank

Here is what it should look like:

5 laps  *  400 m/lap   /  9 minutes = 222.22 m/min = 3.7 m/s

It is always a pleasure to help you Juriemagic     

Melody,

Thank you very much for your assistance...appreciated!!

I assume you are looking for a compass and straight edge construction.  If so then see below:

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Let number of single women be ws and number of married women be wm (Hence number of men = wm)

We are told:  ws/wm = 2/5

fraction of men:   fm = wm/(ws+2wm) 

Divide numerator and denominator by wm:   fm = 1/(ws/wm + 2), hence fm = 1/(2/5 + 2)  or fm = 5/12

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