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Angelina_Jolie [31]
3 years ago
11

What property is illustrated by each statement? 7+(4+4)=(7+4)+4

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
5 0
B
This property dictates that you can add regardless of how the numbers are grouped.
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Solve for x: |4x + 12| = 16
pentagon [3]
To solve
if you have |a|=b, solve a=b and a=-b

|4x+12|=16
solve
4x+12=16 and 4x+12=-16
minus 12 both sides
4x=4 and 4x=-28
divide both sides by 4
x=1 and x=-7
4 0
4 years ago
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$64 jacket 20% discount
tatiyna
$64 jacket with a 20% discount:

First, we need to change the percentage into a number that we can calculate with. Take the percentage (20%) and divide it by 100(%), since the denominator should always be 100 when changing a percentage into a decimal. 
\frac{20}{100} = 0.20

Now that we have a number we can calculate with, we need to know how much money we are going to save from the discount. Take the new decimal we just got, and multiply it by the cost of the jacket, which is $64. 
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Knowing that we can save $12.40 on the jacket, we can now subtract the price of the jacket from the discount we get on it. 
64 - 12.80 = 51.20

You will pay a total of $51.20 on the jacket with the discount added.

3 0
4 years ago
A sphere has a radius that is 9 inches long. What is the volume of the sphere?
Varvara68 [4.7K]

Answer:

given

radius (r) = 8 inch

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2 years ago
Simplify<br> −3.2(2x − 2.1)
strojnjashka [21]
The answer is -6.4x + 6.72

Hope this helps
8 0
3 years ago
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-7(4x-7)=105 how do you solve this?
leonid [27]
-7•4x=-28x -7•-7=49. -28x+49=105. subtract 49 from the size -28x=56. Then divide -28 from both sides x=-2
8 0
3 years ago
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