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3 years ago

13

4(a x b)=(4 x a)b is an example of which algebraic property

1 answer:

Reil [10]3 years ago

5 0

I hope this helps you

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Jada bought 3 shirts that cost $19.99 each before discount. What was her total after the discount? The percentage discount at a

Alex777 [14]

Total after the discount would be $77.96

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3 years ago

What is the value of X I don’t understand this

mash [69]

Answer:

X=4

Step-by-step explanation:

28+8=36

36/9=4

9*4=36

36-8=28

x=4

4 0

3 years ago

Solve 169x^2-42.25=0 by using square roots?<br><br> NEED HELP!!!

jekas [21]

Answer:

x = 1/2 , x = -1/2

Step-by-step explanation:

Given equation;

169x² - 42.25

Find:

Solution of equation using square root

Computation:

169x² - 42.25

We know that 13² = 169 and 6.5² = 42.25

So,

[13x]² - [6.5]²

a² - b² = (a + b)(a - b)

So,

[13x]² - [6.5]² = [13x + 6.5][13x - 6.5]

So,

13x + 6.5 = 0 , 13x - 6.5 = 0

x = 6.5 / 13 , x = -6.5 / 13

x = 1/2 , x = -1/2

5 0

2 years ago

Scientific Notation<br> 7.28 x 10^10

Vsevolod [243]

Answer:

72800000000

Step-by-step explanation:

7.28 * 10^10 = 72800000000

7 0

3 years ago

Read 2 more answers

Solve for w in the equation w⁄5 = 25

Anarel [89]

we are given

$\frac{w}{5} =25$

Since, we have to solve for w

so, we will isolate w on anyone side

Multiply both sides by 5

$5*\frac{w}{5} =5*25$

$w =5*25$

$w =125$

so,

option-D..........Answer

7 0

3 years ago

Read 2 more answers