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DiKsa [7]
3 years ago
15

How many degrees are there if you add up the internal angles in a pentagon?

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0
The answer is 540 degrees ^-^
KatRina [158]3 years ago
6 0
540 degrees

Equivalent to three triangles.
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In a four digit number, the digit in thousand’s place in 4 and the digit in the one’s place is twice that in the thousand’s plac
ale4655 [162]

Answer:

Step-by-step explanation:

As 4 is accumulated by thousands place

And ones place is 4 into 2/twice

And hundreds place accumulates zero

And tens place is 4 - 0=4

The no is

4048

5 0
3 years ago
The reduced row-echelon forms of the augmented matrices of four systems are given below. How many solutions does each system hav
vagabundo [1.1K]

Answer:

A. Infinitely many solutions.

Step-by-step explanation:

The row and column numbers are equal in the echelon. This rows have 0001 numbers which indicates that there is free variable at the end. The reduced row echelon has equal number of rows and columns. There are infinitely many solution as the numbers in the rows are zero ending of the free variable 1. If there is no free variable then there will be no solution.

8 0
3 years ago
How do you solve (5^{2} - 1) ÷ 6
posledela

( {5}^{2}  - 1) \div 6 =

(25 - 1) \div 6 =

24 \div 6 = 4

Note:

Do the square first, and then you do mathematic operation between the parentheses. And, then do the

mathematic operation in the outside of parentheses.

Thank you.

8 0
3 years ago
Read 2 more answers
What is the value of 7x-9y when x=1 and y=8?
julsineya [31]
It would be - 65

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hope this helps you
4 0
3 years ago
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Can someone help me with the answers 7- 14 pleaseeee and thank you!
Darina [25.2K]
You can get all the answeres easily.

Heres number 1: -1/5
7 0
2 years ago
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