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4 years ago

How do you simplify 15×2+5×2+2×

Mathematics

2 answers:

AleksAgata [21]4 years ago

4 0

15*2=30
5*2=10
30+10+2x
40+2x

Charra [1.4K]4 years ago

3 0

You use the order of operations which is otherwise known as PEMDAS.To simplify 15×2+5×2+2 you first do the multiplication. 30 10 Then you do the addition after 30+10+2 Bring down the 2 =42. Finally add everything which would give you the answer 42

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4 years ago

<img src="https://tex.z-dn.net/?f=%20%20%5Cfrac%7B2%7D%7B15y%7D%20%20%2B%20%20%5Cfrac%7B3%7D%7B5y%20%7B%7D%5E%7B3%7D%20%7D" id="

Xelga [282]

Answer:

2y² + 9

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

15y³

Step-by-step explanation:

Start by identifying the LCD, and then change each fraction so that its denominator is the LCD.

Here the LCD is 15y³, which is evenly divisible by 15y and 5y³.

Focus now on the first fraction: 2 / (15y). Multiplying numerator and denominator of this fraction by y² results in

y²·2 2y²

--------- → ----------

y²·15y 15y³ ←This is the correct LCD

Multiplying numerator and denominator of the second fraction by 3 results in:

3·3 9

------------ → ---------

3·5y³ 15y³ ←This is the correct LCD

So now those two original terms look like:

2y² 9

--------- + --------

15y³ 15y³

and this can be written in simpler form as:

2y² + 9

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

15y³

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4 years ago

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A marina is in the shape of a coordinate grid. Boat A is docked at (3.1, −1) and Boat B is docked at (−4.1, −1). The boats are _

kirill115 [55]

Answer:

d = 7.2

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra II

Distance Formula: $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

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Boat B(-4.1, -1)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d.

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Exponents: $d = \sqrt{51.84}$
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Answer:

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Step-by-step explanation:

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