100 POINTS PLEASE HELP ASAP
Use the tables to answer the question.
Mineral Mohs Hardness...
Mathematics, 30.05.2021 01:00 RoyalGurl01
100 POINTS PLEASE HELP ASAP
Use the tables to answer the question.
Mineral Mohs Hardness
calcite 3
feldspar 6
halite 2.5
talc 1
Item Mohs Hardness
fingernail 2.5
penny 3
glass slide 5.5
streak plate 6.5
Luiz has an unknown mineral. He suspects he has feldspar. If he is correct, which of the items listed will be able to scratch the mineral’s surface?
A.
a penny
B.
a glass slide
C.
a streak plate
D.
his fingernail
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?
Answers: 2
You know the right answer?
Questions
Social Studies, 26.06.2019 13:30
Advanced Placement (AP), 26.06.2019 13:30
English, 26.06.2019 13:30
Chemistry, 26.06.2019 13:30
Mathematics, 26.06.2019 13:30
History, 26.06.2019 13:30
