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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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Solve the proportion 40/z+1 = 15/6
vovangra [49]

Answer:

<h2>z = 15</h2>

Step-by-step explanation:

\frac{40}{z + 1}  =  \frac{15}{6}  \\

<u>Cross multiply </u>

That's

15(z + 1) = 40(6) \\ 15z + 15 = 240

<u>Send 15 to the right side of the equation</u>

15z = 240 - 15 \\ 15z = 225

Divide both sides by 15

\frac{15z}{15}  =  \frac{225}{15}  \\

We have the final answer as

<h3>z = 15</h3>

Hope this helps you

7 0
2 years ago
I need help with someone explaining how to find the range of this! This course didn’t explain anything!
zaharov [31]

Answer:

(-infinity,3), D

Step-by-step explanation:

3 if x is greater than or equal to 1 is nothing. That leaves us with h(x)=2x+1 if x<1. If you substitute in 1 for x, you get 3, but of course that isn't possible, so the range is (-infinity,3), which is D.

4 0
3 years ago
vivi is a drummer for a band. she burns 756 calories while drumming for 3 hours. she burns the same number of calories each hour
Airida [17]

Answer:

252 cph

Step-by-step explanation:

756 divide by 3 is 252

6 0
3 years ago
Write the first 6 answers to the sequence and please explain how you got them
Debora [2.8K]

Answer:

Step-by-step explanation:

a1 = 7

a2 = 4(7) = 28

a3 = 4(28) = 112

a4 = 4(112) = 448

a5 = 4(448) = 1792

a6 = 4(1792) = 7168

4 0
3 years ago
The table below shows the number of people in a spinning class each day last week.
Elena-2011 [213]
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13 + 23 + 24 + 31 + 14 = 105

105 / 5 = 21
4 0
2 years ago
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