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marta [7]
2 years ago
6

How do i answer this question 5*(8-4)/4-2

Mathematics
1 answer:
NemiM [27]2 years ago
6 0

the answer is 3

but a way to work these problems out is to use PEMDAS

p-parentheses

e-exponent

m-multiplication

d-division

a-addition

s-subtraction

they  have to be donr in that order or the answer will come out different  

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Please answer this and thank you<br><br> If DE=4x+10, EF=2-1, and DF=9x-15, find DF.
professor190 [17]
I hope that 2-1 means 21.

DE + EF = DF
4x + 10 + 21 = 9x - 15
4x + 31 = 9x - 15
31 = 9x - 4x - 15
31 = 5x - 15
46 = 5x
x = 9 1/5 = 9.2

You want 9x - 15
9*9.2 - 15
82.8 - 15
67.8 <<<<< answer. 
If I have given the wrong meaning to 2-1 (which could mean 1) leave another note and I will correct my work. 
8 0
3 years ago
What is the value of the expression 4rs if r = -1/3 and s = 7/8
Brut [27]

1 and 1/6 is the correct answer because 4/1 multiplied by 1/3 is 4/3. 4/3 multiplied by 7/8 is 28/24 or 1 and 4/24, which can be simplified down to 1 and 1/6.

6 0
2 years ago
valerie has 20 stuff animals. she wants to store them in plastic bags. she estimates she can fit 3 stuffed animals in each bag.
Rudiy27

Answer: it’s not an even number it 6.6 repeating so if round up and say 7 bags

Step-by-step explanation:

4 0
2 years ago
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Answer:

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There are 2 squares and 8 circles what is the simplest ratio of squares to total shapes
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