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Anettt [7]
3 years ago
13

Choose all properties that were used to simplify the following problem:

Mathematics
2 answers:
Maslowich3 years ago
8 0

Answer:

additive identity

additive inverse

commutative property of addition

associative property of addition

Step-by-step explanation:

cupoosta [38]3 years ago
5 0

The properties 1‚ 2‚ 4‚ and 5. are used

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Convert to scientific notation ​
Ainat [17]

Answer:

5.7* 10 to the power of 4

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3 years ago
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What is the value of 2x3 + x2 – x when x = 3?
Bad White [126]

Answer:

12

Step-by-step explanation:

This is assuming that x2 means x to the power of 2 and that the x on the left is to represent multiplying. First, plug in all of the number to get 2*3+3^2-3.Using PEMDAS, you should solve the exponent to get 9. Then, multiply 2 by 3 to get 6. Add 6 to 9 to get 15. Subtract 2 to 15 to get 12.

TL;DR

2*3+3^2-3

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15-3

12

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3 years ago
Witch triangle is a 30 -60 -90 triangle
jok3333 [9.3K]
This is a - special right triangle
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If UPT=48°, what is the measure of RPU?
Xelga [282]

Answer:

132

Step-by-step explanation:

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6 0
3 years ago
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Write the explicit formula and define the formula please explain and help thanks
schepotkina [342]

Remark

The formula for this series is

t_n = n^2 - 1

Explanation

If the series ends at 288, then the highest value n can have is 17

So you would write t_n = n^2 - 1 {n| 1 ≤ n ≤17}

If you said this to someone, you would say "t_n = n squared minus 1 where n is such that 1 is greater than or equal to 1 or less than or equal  to 17"

Example

What is the 4th term in this series?

t_4 = 4^2 - 1

t_4 = 16 - 1

t_4 = 15


7 0
4 years ago
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