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Artemon [7]
2 years ago
13

Rewrite the expression without parentheses. 13m−​(−9m−4​)

Mathematics
2 answers:
svetoff [14.1K]2 years ago
7 0

Answer:

22m+4

Step-by-step explanation:

Let's break it down:

13m+-1(-9m-4)

13m+(9m+4)

22m+4

Neko [114]2 years ago
3 0

Answer:

22m+4

Step-by-step explanation:

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What can you say about the sum of consecutive odd numbers starting with 1? that is, evaluate 1, 1c3, 1c3c5, 1c3c5c7, and so on,
Mice21 [21]

Let us add consecutive odd numbers and try to find any relationship.

1. 1

2. 1+3 = 4 ( square of 2 i.e 2^{2} )

3. 1+3+5 = 9 ( 3^{2} )

4.  1+3+5+7 =  16 (4^{2} )

5. 1+3+5+7+9 = 25 (5^{2} )

6. 1+3+5+7+9+11 = 36 ( 6^{2} )

7. 1+3+5+7+9+11+13 = 49 (7^{2} )

If we notice, the sum of the consecutive odd integers in each case is equal to the square of the place where it lies. For example, the sum of numbers in seventh place is equal to 7^{2}. The sum of the numbers in the fifth line is equal to 5^{2}.

4 0
3 years ago
Explain in your own words what the mean of a negative exponent means?
BlackZzzverrR [31]
A negative exponent is the opposite of a regular exponent so for example, 5 to the power of -3 is 1/125 
7 0
2 years ago
Given: x - 5> -2.
Mice21 [21]

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Step-by-step explanation:

Adding 5 to both sides, we get <u>x > 3.</u>

7 0
2 years ago
Please help me!! Will get brainliest!
g100num [7]

x =  \frac{19}{9 }
3 0
3 years ago
What is the arc length if Θ = 2pi/3 and the radius is 4 cm? 8pi/3<br> 16pi/3<br> pi/6<br> 3pi/4
astraxan [27]
There's a simple formula for finding the arc length.
   
In radians:<span>
A = θ*r = (2pi/3) x 4 cm = 8*pi/3 cm

Therefore, the answer is letter A </span> <span>8*pi/3 cm.

I hope my answer has come to your help. God bless and have a nice day ahead!
</span>
5 0
2 years ago
Read 2 more answers
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