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Elan Coil [88]
4 years ago
15

4 (4 9) = (4 4) 9 A. True B. False

Mathematics
2 answers:
Anvisha [2.4K]4 years ago
6 0
True

4(4 x 9) = 144: 9 x 4 = 36
36 x 4 = 144


(4 x 4)9 = 144: 4 x 4 = 16
16 x 9 = 144
Sonja [21]4 years ago
4 0
I am assuming that (4 9)  means  '4 times 9'.

4 (4 9) = 4*4*9 = 144
(4 4) 9 = 4*4*9 = 144

This is the associative law for  multiplication 

Its True
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How much does a customer save for buying a sound system marked $1,200 at a discount of 15%​
kramer

Answer:

Step-by-step explanation:

Mp=$1200

Let sp be x

SP=MP-discount% of MP

x=1200-15/100 * 1200

x=120000-18000/100

x=102000/100

x=1020

the amount of money person saves=MP-SP

=$1200-$1020

=$180

therefore he saves $180

7 0
3 years ago
How to solve <br> Y+2=4<br> Y-2=8
lakkis [162]

Answer:

First question -> y = 2

Second question -> y = 10

Step-by-step explanation:

<u>Step 1:  Solve y + 2 = 4</u>

Subtract 2 from both sides

y + 2 - 2 = 4 - 2

<em>y = 2</em>

<em />

<u>Step 2:  Solve y - 2 = 8</u>

Add 2 to both sides

y - 2 + 2 = 8 + 2

<em>y = 10</em>

<em />

Answer:  First question -> y = 2

               Second question -> y = 10

8 0
4 years ago
Math help please (question 2)
Alex
X>_0 y>_-4 your domain is the opposite of whats inside of the radical, in this case it’s zero but if the number was -5 you would say x>_ 5. Your range is whatever number is in the back, which is negative 4. But you have to pay attention, if there is a negative before the radical your range will be y<_ the number. But here, there isn’t a negative sign in the front of the radical so it’s just y>_ -4.
5 0
3 years ago
Use each digits 2,3,7,8 to make numbers FROM 20,21,22 SO ON ALL THE WAY TO 50 FOR EXAMPLE 2+3+7+8=20
Ahat [919]
2+3+7+8=20 

2 x 3+7+ 8= 21


2 x 7 + 3+ 8= 25

8 x 2 + 7 + 3= 26

3 x 7 +8 - 2= 27

8 x 3 + 7 - 2= 29

8 x 7 ÷ 2 + 3= 31

7 x 2 x 3 -8 = 34
 

There is a couple, but i am not doing all of them
 I hope this helps anyway :).



5 0
4 years ago
Which expression represents an irrational number? A 0.18 repeating, b 2/3 ,
olga_2 [115]

Answer:

I think it's A hope this helps

3 0
3 years ago
Read 2 more answers
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