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yuradex [85]
3 years ago
12

What is the property name of ( m + n ) + 7 = m plus ( n + 7 ) ?

Mathematics
2 answers:
baherus [9]3 years ago
8 0

Answer:

associative property.

Step-by-step explanation:

The associative property states that if you change the grouping of the numbers in an expression, the answer stays the same. In this problem, you changed the grouping of (m+n) + 7 to m + (n+7)

Hope this helps!

mamaluj [8]3 years ago
5 0
Answer: associate property
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Find a solution to the system. Make sure to write as a coordinate.
RUDIKE [14]

Answer:

x=2, y=3

Step-by-step explanation:

This is a <u>system of equations</u>.

To solve a system of equations, we use the substitution method.

We can plug in the first equation, x=2y-4, into the value for <em>x</em> in the second equation. Now, the second equation looks like this:

2*(2y-4)+y=7

We simplify and solve for <em>y</em>:

→ 4y-8+y=7

→ 5y=15

→ y=3

Now, we plug in the value for <em>y</em>, which is 3, into either equation. I will just use the first equation:

→ x=2*3-4

→ x = 2

Let me know if my explanation is unclear.

3 0
3 years ago
What is the greatest integer solution of 5-3m&lt;11
ki77a [65]
The solution to your problem is  m>-2
8 0
3 years ago
Problem of the Day:
Shtirlitz [24]

Answer:

Step-by-step explanation:

What this question is asking of you is what is the greatest common divisor of 12 and 15. Or, what is the biggest number that divides both 12 and 15.

in order to find this we have to split each number into it's prime components.

for 12 they are 2,2 and 3 (

2

⋅

2

⋅

3

=

12

)

and for 15 they are 3 and 5 (

3

⋅

5

=

15

)

Out of those two groups (2,2,3) and (3,5) the only thing in common is 3, so 3 is the greatest common divisor. That tells us that the greatest number of groups that can exist and have the same number of girls and the same number of boys for each group is 3.

Now to find out how many girls and boys there are going to be in each group we divide the totals by 3, so:

12

3

=

4

girls per group, and

15

3

=

5

boys per group.

(just as a thought exercise, if there were 16 boys, the divisors would have been (2,2,3) and (2,2,2,2), leaving us with 4 groups [

2

⋅

2

] of 3 girls [12/4] and 4 boys [16/4] )

8 0
3 years ago
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Artyom0805 [142]

Answer:

1

Step-by-step explanation:

x-y+xy=1-1+1*1=0+1=1

8 0
3 years ago
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