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lord [1]
3 years ago
7

Can someone pls tell me if this is correct? For the properties, <3 and the bottom one too

Mathematics
1 answer:
saul85 [17]3 years ago
7 0
1. Commutative property of multiplication This is because it represents a*b=b*a
2. Associative property of multiplication. Multiplication problems end with the same product no matter the order of factors.
3. Correct
4. Correct
5. Associative property of addition. Even though the grouping symbols are different, it is equivalent because you are adding all the terms together.
6. Correct

The last one should also be associative property since it applies every time you combine like terms.
Just a reminder: Distributive property is only when you multiply in the form of a(b+c)=ab+ac
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viva [34]
What’s the question?
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Rosa can make 8 dozen cupcakes in 3 hours. How many dozen cupcakes can she make if she has 10 1/2 hours to bake the cupcakes
Scorpion4ik [409]

Answer: 28 dozen

Step-by-step explanation:

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7 0
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1) 9n2 - 25<br> Please show work
Vlad1618 [11]

Answer:

(3n + 5)(3n − 5)

Explanation:

[ Factor ]

9n2 − 25

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6 0
3 years ago
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Anestetic [448]

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b

Step-by-step explanation:

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3 years ago
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Anvisha [2.4K]

Answer: ( 12 , 9 )

Step-by-step explanation:

The formula for finding the coordinate of points when a line is externally divided in a given ratio is given by :

x = \frac{p x_{2}+q x_{1}}{p+q}

y = \frac{p y_{2}+q y_{1}}{p+q}

From the question

x_{1} = 2

x_{2} = ?

x = 4

y_{1} = -1

y_{2} = ?

y = 1

p = 1

q = 4

substituting the values into the formula ,we have

x = \frac{p x_{2}+q x_{1}}{p+q}

4 = \frac{1(x_{2})+4(2) }{1+4}

4 = \frac{x_{2}+8}{5}

x_{2} + 8 = 20

x_{2} = 12

Also

y = \frac{p y_{2}+q y_{1}}{p+q}

1 = \frac{y_{2}+4(-1)}{5}

y_{2} - 4 = 5

y_{2} = 9

Therefore , the end of the stencil is located at point ( 12 , 9 )

5 0
3 years ago
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