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Harman [31]
3 years ago
6

What is 2+1 ?????????????????????????????????????????????????????????

Mathematics
2 answers:
matrenka [14]3 years ago
5 0

Answer:

3!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

alexdok [17]3 years ago
4 0

Answer:

3

jk its 21

Step-by-step explanation:

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291.87 irrational or rational
aliina [53]
291.87 is rational since the last (decimal) numbers aren't repeating.
If it was repeating (291.877777...) it would be irrational.
4 0
3 years ago
Which of the following is equal to the expression listed below?
Novay_Z [31]

Answer:

Step-by-step explanation:

9(5 + 2)

the answer is D

3 0
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Define what congruent means?
kati45 [8]

Answer:

identical in form or shape

Step-by-step explanation:

two triangles could be congruent as they both have 3 sides.

5 0
3 years ago
The product of 1.3x10^-4 and a number n results in 2.6x10^12. What idle the value of n
Mademuasel [1]
1.3 x 10^-4 * n = <span>2.6 x 10^12
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n = 2 x 10^16

Answer
Idle the value of n = 2 x 10^16
5 0
3 years ago
Read 2 more answers
Please help, I'm trying to finish these
umka2103 [35]

2 x length + 2 x width = perimeter.

2(2s-5) + 2(4s-13) = 108

Simplify:

4s-10 + 8s-26 = 108

Combine like terms:

12s - 36 = 108

Add 36 to both sides:

12s = 144

Divide both sides by 12:

s = 144/12

s = 12

Now replace s with 12 in each equation:

2(12) - 5 = 24-5 = 19

4(12) - 13 = 48-13 = 35

The answer is d. 35,35, 19,19

8 0
3 years ago
Read 2 more answers
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