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V125BC [204]
3 years ago
13

Please help me now! (For the first and the second.)

Mathematics
2 answers:
lianna [129]3 years ago
8 0

Answer:

the 1st 1 is commutative property of addition

the 2nd 1 is associative property of addition

Step-by-step explanation:

Lady bird [3.3K]3 years ago
5 0

Answer:

the 1st 1 is commutative property of addition

the 2nd 1 is associative property of addition

Step-by-step explanation:

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16. Carlos puts 0.3 of his monthly income into savings. What percent of his money
Minchanka [31]

Answer:

70%

Step-by-step explanation:

First, convert 0.3 into a percentage;

To do so, convert it 0.3 into a fraction then multiply by 100;

0.3 into a fraction = 3/10

3/10 into a percentage = \frac{3}{10} *100

The 10 at the bottom cancels out one zero at the top and you are left with 30.

Therefore percentage in Carlos' monthly savings is  = 30%

Next, calculate the percentage NOT put in savings

percentage NOT put in savings = 100% - percentage in savings;

That is ; 100% -30% =70%

Hence, 70% of his income is not put into savings.

3 0
4 years ago
Please help me solve !!!!!!!!!!!!!!!
Dima020 [189]

Answer:

4x - 3y = 4

-3x + 3y = -6

x = -2

-2 - y = 2

-y = 4

y = -4

(-2,-4)

5 0
3 years ago
What is 2 thirds of 60
Mkey [24]
You have to set up a proportion so 2 over 3= x over 60. So multiply 2 times 60= 120 divided by 3 which is 40
6 0
3 years ago
Help me with this please.​
horrorfan [7]

Answer:

1=point

2=line

3=line

4=line segment

5=ray

6=plane

7=plane

Step-by-step explanation:

4 0
3 years ago
Maya is taking her friends to a concert. Each ticket costs
nlexa [21]

Answer:

C=4

Step-by-step explanation:

So you multiply 3 tickets by 25 and you get $75. You then subtract $130 from $75 and you get $55 you then multiply 12 by 4 to get $48. And that's how 4 is the correct answer.

5 0
3 years ago
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