3 years ago

What is 10^n+10^n equal to

Mathematics

1 answer:

Ad libitum [116K]3 years ago

3 0

10^n+10^n=2(10^n) or 2*10^n

Answer: 10^n+10^n=2(10^n)

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Write the following numbers used in these statements in scientific notation. (Note: Some of these numbers have been rounded.)

lutik1710 [3]

Answer:

So in scientific form 4000 miles will be equal to $4\times 10^3miles$

Step-by-step explanation:

We have given that radius of earth is 4000 miles

4000 miles can be written as 4×1000

We have to written 4000 miles in scientific form

We know that 1000 can be written in scientific form as $1000=10^3$

So $4000miles =4\times 1000=4\times 10^3miles$

So in scientific form 4000 miles will be equal to $4\times 10^3miles$

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2 years ago

Are the set of all square numbers under 50 and the set of all triangular numbers that are less than 50 disjoint?

Alina [70]

Answer:

No, the two sets are not disjoint.

Step-by-step explanation:

Set of triangular numbers to 50: 1, 3, 6, 10, 15, 21, 28, 36, 45

Set of square numbers to 50: 1, 4, 9, 16, 25, 36, 49

They have 1 and 36 in common, so they are not disjoint, or in other words, they have some of the same numbers.

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3 years ago

Solve the system by substitution 10x-2y=-16 and y=3x

lesantik [10]

The answer would be x=-4.

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2 years ago

Help Me On These Please

RoseWind [281]

#1 is true. The term they have in common is y with an invisible coefficient in-front of the second y term

#2 has zero like terms. 15 has no variable, and the other terms have different variables.

#3 has two like terms, that’s 9 and 8 which add to equal 17. The answer is 3x + 17 aka D.

#4 has two like terms, the numbers with the variable ‘n’. 4n + 7n = 11n. Your answer is 11n + 12 aka D

7 0

3 years ago

Two times the sum of nine and a number is the opposite of 9.

marshall27 [118]

18 that question is confusing so I guessed sorry dude

8 0

3 years ago