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BaLLatris [955]
3 years ago
12

S. Jamie was really struggling to multiply two digit numbers together. Mrs. Brack helped her with the

Mathematics
1 answer:
yawa3891 [41]3 years ago
8 0

The property applied is the associative property

<h3>Algebraic properties</h3>

There are several algebraic properties in mathematics; each of which have their own applications

Some of these properties are:

  • Commutative
  • Distributive
  • Associative
  • Identity

The mathematical expression is given as:

13 \cdot (20 \cdot 5)

And it is calculated as follows:

13 \cdot (20 \cdot 5) = 13 \cdot 100

13 \cdot (20 \cdot 5) = 13 00

The property applied above is the associative property

Read more about mathematical properties at:

brainly.com/question/10628093

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Please answer fast<br><br> Thank you!
ziro4ka [17]

Answer:

see explanation

Step-by-step explanation:

the perimeter (P) is the sum of the 4 sides

(a)

P = a + b + c + d

  = x + 7 + 2x + 2 + 8x + x + 10 ← collect like terms

 = 12x + 19

(b)

If x = 4 , then

P = 12x + 19 = 12(4) + 19 = 48 + 19 = 67

(c)

If x = 2 , then

P = 12x + 19 = 12(2) + 19 = 24 + 19 = 43

(d)

P = a + b + c + d

   = x² + 4x + 8 + 2x² + x ← collect like terms

   = 3x² + 5x + 8

 

3 0
1 year ago
3x + 3 = 2x + 12 i need help for this answer
Flura [38]

Answer:

x=9

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
When I add or subtract fractions, first I must convert the
fiasKO [112]
Whenever you add or subtract fractions you have to have the denominators the same so that the numerator is of the same value system.
For example you have 8/16 - 8/32
If you were you to subtract it without changing denominators to the same it would be equal to zero but when you change them to the same denominator
16/32 - 8/32 then the answer would be 8/32.
3 0
3 years ago
Read 2 more answers
Write down the next one term in sequence :3;10;17;24;31​
Verdich [7]

Answer:

38

Step-by-step explanation:

you start by taking 10_3 24_17 then you will see difference is 7 then you will take 7+31=38

5 0
2 years ago
The average price (in dollars) to rent a studio in a certain city can be approximated by the equation p - 24.1t+575 where t is
krok68 [10]

Answer:

<u>69 years</u> after 2005 which is in <u>2074</u> year the average price of a studio in this city will reach $1081.10.

Step-by-step explanation:

Given:

Average Price to rent a studio is denoted by 'p'.

It is been approximated by equation:

p-24.1t+575

where t ⇒ number of years since 2005

Now given:

Average Price to rent a studio p = $1081.10

Substituting the value of p in above equation we get;

1081.10-24.1t+575

Solving the new equation to find the value of t we get;

1656.1=24.1t

Dividing both side by 24.1 we get;

\frac{1651.1}{24.1} =\frac{24.1t}{24.1} \\\\t= 68.71 \approx 69 years

Hence<u> 69 years</u> after 2005 which is in <u>2074</u> year the average price of a studio in this city will reach $1081.10.

<u />

7 0
3 years ago
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