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3 years ago

Explain how to determine if the number is a solution to the equation. n + 6 = 33 for n = 27

Mathematics

2 answers:

NemiM [27]3 years ago

8 0

Answer: You can know by doing some simple algebra

Step-by-step explanation:

n+6=33

Therefore, you try to get 'n' by itself (Try to get rid of 6)

So you just subtract 6 to both sides (because in order to subtract something from one side, in order to keep the equation equal, you must do the same for the other)

n+6-6=n

33-6=27

Therefore, n=27

Morgarella [4.7K]3 years ago

7 0

Answer:

Sample Response: Substitute 27 for the variable, n. Then simplify by adding 27 and 6. Adding 27 + 6 = 33. So you have 33 = 33, which is a true statement. 27 is a solution of the equation.

Step-by-step explanation:

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The total population of these two states is:

$3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41$

Therefore, option C is correct.

Step-by-step explanation:

The population of California is approximately 38,040,000.

The population of Texas is about 2.606 × 10⁷.

Writing the population of California i.e.38,040,000 in scientific notation by moving the decimal point 7 places to the left and dropping the 0's on the right side as they're after the decimal point now.

i.e.

38,040,000 = 3.804 x 10⁷

So adding 3.804 x 10⁷ and 2.606 × 10⁷

i.e.

$3.804\times \:10^7+2.606\times \:10^7$

$\mathrm{Add\:similar\:elements:}\:10^7\times \:3.804+10^7\times \:2.606=10^7\times \:6.41$

Thus, the total population of these two states is:

$3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41$

Therefore, option C is correct.

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Answer:

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