The students try to find out from what material an object was made. They were assisted by a spring scale and a measuring glass. When the object was suspended on a spring scale, it displayed a reading of 2.1 Newtons. When the object was immersed in the measuring cup, the water level increased from 160 ml to 185 ml. Find out what substance the object was made of.

the difference between a number and 5 is -2.

step-by-step explanation:

notice that the equation you are given has -2 (negative 2) on the right side, not 2. when you subtract 5 from a number n, you are finding the difference between the number and 5.

the difference between a number and 5 is -2.

she will sew have sewn five dresses   and be 1/3 done with the sixth one in an hour.

step-by-step explanation:

3/4 of an hour=45 mins

lucy makes 1 dress per 11.25 minutes

45 mins+11.25 mins=56.25 mins

60 mins- 56.25 mins=3.75 mins

3.75 mins is 1/3 of of 11.25 mins

therefore she the other 1/3 would be part of the hour and she will have sewn 5 dresses and begun the sixth.

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step-by-step explanation:

d would equal 12

hint: which coefficient is a multiple of 360°?

step-by-step explanation: