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Nikolay [14]
3 years ago
12

21 - 3 + 8 or -14 + 31 - 6

Mathematics
1 answer:
sergejj [24]3 years ago
3 0

Answer:21-3+8=26

-14+31-6=11

Step-by-step explanation:

You might be interested in
If Peter withdrew $47.27 from the bank and deposited $598, how would his bank account change? (Indicate how much his account wou
fredd [130]

Answer:

Since we do not know the balance we should start with, a general answer:

b_{new} = b_{old} + \sum_{i} d_{i} - \sum_{j} w_{j} \\

598 - 47,27 = 550,73, assuming b_old was 0$ for your example

Step-by-step explanation:

b stands for balance (old - before any deposits or withdrawals, new after all done)

d for deposits

w for withdrawals

5 0
2 years ago
In parallelogram DEFG, DH = x + 5, HF = 2y, GH = 4x-3 and HE = 4y + 1. Find the values of x and y. The diagram is not drawn to s
GalinKa [24]
Rule: The diagonals of any parallelogram bisect each other. In other words, they cut each other in half.

This means DF is cut into two equal pieces: DH and HF.
Similarly, GE is cut into two equal pieces: GH and HE.

DH = HF
x+5 = 2y
x = 2y-5

GH = HE
4x-3 = 4y+1
4(x)-3 = 4y+1
4(2y-5)-3 = 4y+1 ... x has been replaced with 2y-5
8y-20-3 = 4y+1
8y-23 = 4y+1
8y-4y = 1+23
4y = 24
y = 6

If y = 6, then x is
x = 2y-5
x = 2(6)-5
x = 12-5
x = 7

--------------------------------------------

Answers: 
x = 7 and y = 6

5 0
3 years ago
What is the factored form of m2 + - 27n2
Illusion [34]
2(m-27n) this is the answer
3 0
2 years ago
Easy and simple but i don’t know which one goes to which. please help
Llana [10]

Answer:

They are placed in right order (quite interesting).

Step-by-step explanation:

Just drag each answer choice as they are placed.

Best Regards!

6 0
3 years ago
It's in the picture....................​
lina2011 [118]
I promise this app called brainily is a life saver for algebra problems like this !! It’s not a scam trust me
8 0
2 years ago
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