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frosja888 [35]
2 years ago
14

Is this true or false a line graph shows the relationship between three variables

Chemistry
2 answers:
jarptica [38.1K]2 years ago
6 0

Answer: true

Explanation: a line graph only shows two variables

Margaret [11]2 years ago
5 0
The answer would be B) False because line graphs show only ''two'' variables not ''three''.
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As
Mars2501 [29]

Explanation:

  1. area of rectangle=l×b
  • 15=5×b
  • b=3cm

2.area of rectangle=l×b

  • 28=l×4
  • l=7cm

3. perimeter of square=4×L

  • 24=4×L
  • L=6cm

4. perimeter of rectangle=2(L+b)

  • 14=2(4+b)
  • 14=8+2b
  • 2b=6
  • b=3cm

hope it helps.

4 0
2 years ago
Read 2 more answers
Iron oxide reacts with aluminum to give aluminum oxide and iron. What kind of chemical reaction is this?
Dima020 [189]
FeO + Al -> AlO + Fe 

As you can see, this type of reaction would lead to be a Single Placement (or Replacement) reaction!

Hope this helps! Best wishes!
3 0
3 years ago
Researchers are investigating processed that happen during digestion which answer choice describes only a physical change during
dolphi86 [110]

Answer:Chewing in the mouth breaks food into smaller pieces

Explanation: all you are doing is breaking down the food in your mouth

6 0
3 years ago
Determine if these molecules and ion are polar.
Colt1911 [192]

Answer:

a. Polar

b. Polar

c. Non-polar

d. Non-polar

Explanation:

a. H_3O^+, hydronium cation contains a positive charge. Just as any other ion, it is polar, as it has a net charge.

b. H_2S has the same shape as water. There are two lone pairs on sulfur atom which produce an overall dipole moment in this molecule, the bent structure is polar.

c. PCl_5 is non-polar, as the central atom, phosphorus, doesn't contain any lone pairs, all the dipole moments cancel out: two dipole moments in the vertical plane, P-Cl, and three P-Cl dipoles in the horizontal plane within a trigonal bipyramidal shape.

d. CF_4 is non-polar, since it's a tetrahedral molecule with no lone pairs on carbon atom, all four C-F dipole moments cancel out to yield a net 0 dipole moment.

3 0
3 years ago
I dunno which one it is could someone help please?​
alex41 [277]

Answer: B. photosynthesis

Explanation: Glucose and oxygen react together in plant cells to produce energy.

5 0
3 years ago
Read 2 more answers
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