Celine is knitting a scarf. the finished length will be 1.2 meters. so far she has knitted 0.8 meters. how many more meters does celine need to knit? draw a number line to solve.

.4 meters

Step-by-step explanation:

1.2-.8=.4

0————.4————.8————1.2

0.4 meters

Step-by-step explanation:

We can use a number line:

<| - | - | - | - | - | - | - | - | - | - | - | - | >

     0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1 1.1 1.2

If you count the number of dashes between 0.8 and 1.2, there will be four of them. The answer is 0.4 meters.

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,