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Oksanka [162]
3 years ago
7

What is the order of operations for evaluating expressions

Mathematics
2 answers:
Phantasy [73]3 years ago
8 0
PEMDAS!

Parenthesis
Exponents
Multiplication
Division
Adding
Subtracting
Illusion [34]3 years ago
7 0
The order of operations for evaluating expressions is that you can use the word "PEMDAS" it stand for
P=parenthesis
E=exponents
M=multiplication
D=division
A=addition
S=subtraction
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Three business associates are at their favorite local café for lunch. They have finished their meals and just received their bil
telo118 [61]
Customer #2 has the smallest total bill, including tax and tip.
Choice A, 1.06b + 0.16(1.06b), is correct.
Customer 3's bill is approximately 10% less than customer 1's bill.
Customer 2 leaves the bigger tip.

For customer #1:
(1.06(12.95))(1.15) = 15.79; the tip is 0.15(1.06(12.95)) = 2.06.
For customer #2:
1.06x = 11.65; x = 10.99; 20% tip = 0.2(10.99) = 2.20; total = 11.65+2.20 = 13.85.
For customer #3:
1.06(11.50) + 0.18(11.50) = 14.26; the tip is (0.18)(11.50) = 2.07.

Customer 3 spends 15.79-14.26 = 1.53 less than customer #1, which is 1.53/15.79 = 0.097 ≈ 10% less.
4 0
3 years ago
Solve the equation 12+ 0.35×=20.05
lbvjy [14]
12 + 0.35X = 20.05
12 + 0.35X - 12 = 20.05 - 12
0.35X = 8.05 
0.35X/0.35 = 8.05/0.35
X = 23
Hope this helps!! 
8 0
3 years ago
We use grouping to factor a polynomial with how many terms?
sveticcg [70]
Four terms are used when grouping to factor.
3 0
3 years ago
Solve equations: 3|x+4|=6<br><br> | = absolute value
Anestetic [448]

Absolute values are a way of finding a distant from zero, which means there will be 2 answers; one will be positive, and the other will be negative.

|<em>3x - 4</em>| = 5<em>and</em> |3<em>x - 4</em> = a^5 Because you need 2 answers, you have to make 5 positive and negative.

Another way to write this equation would be...

5=|3x-4|=—5

Now lets continue...

5=3x-4=—5

Add 4 to both sides...

9=3x=—1

Now divide by 3...

3=x= -1/3

So the solution is...

X={-1/3  3}

7 0
3 years ago
Read 2 more answers
Four balls of wool will make 8 knitted caps.How many balls of wool will Malcom need if he wants to make 6 caps?
SOVA2 [1]
3 balls of wool because 4 balls of wool/8 caps=1/2 ball of wool to make each cap. 1/2 ball x 6 caps=3 balls of wool.
3 0
3 years ago
Read 2 more answers
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