Answer:
The answer is k=2.
Step-by-step explanation:
Explanation: Let f(x)=x3+kx2+x+5. When f(x) is divided by (x+ 2) , the remainder is =3.
The type of model shown in the structure of water given above is ball-and-stick model
The atomic structure consists of two hydrogen atoms and one oxygen atom (H-O-H)
However, water has some characteristics which makes it unique from other liquids. These characteristics include the following:
- Water is less dense as a solid than as a liquid.
- Water is polar
- Water is an excellent solvent
- Water has high heat capacity
- Water has high heat of vaporization.
- Water has cohesive and adhesive properties.
- Pure water is colorless
- Pure water is always tasteless and odorless.
<h3>What is a compound?</h3>
A compound is a substance which contains two or more elements which are chemically combined together.
Below are some examples of chemical compounds:
- Sodium hydroxide
- Calcium carbonate
- Tetraoxosulphate vi
So therefore, the type of model shown in the structure of water given above is ball-and-stick model
Learn more about chemical compounds:
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Answer:
they are just multiplying thr numbers on top for exsample 42÷6=7
Step-by-step explanation:
you should see what numbers dose the bottom numbers have in common and multiply by 15.
Hope it helps.
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Step-by-step explanation: Begin by studying the pattern.
Notice that the 1 + 1 is 2, 2 + 3 is 5, 5 + 5 is 10, and 10 + 7 is 17.
So thus far, we're adding 1, 3, 5, and 7. Notice that each of these numbers have a difference of 2 so we would add 9 to get to next number and so on.
