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GaryK [48]
3 years ago
5

What property is illustrated by the statement?

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
7 0
I'm pretty sure it is D because it is the same equation they just move where the parenthesis are. 
Vladimir [108]3 years ago
5 0
<span>C. Commutative Property of Addiction </span>
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A rectangular piece of metal is 20 in longer than it is wide. Squares with sides 4 in long are cut from the four corners and the
Misha Larkins [42]

Answer:

Step-by-step explanation:

This is good!  The length of the metal is 20 inches longer than the width.  But we fold up 4-inch flaps on each side, so the height of the box is 4 inches, and the length and width will each decrease by 8 inches (4 inches on each side).  Since the length and width decrease by the same amount, the length will still be 20 inches longer than the width.  So the equations would be:

l = w + 20

vol = l x w x h = 1716 in3

1716 = (w + 20)(w)(4)

1716 = 4w2 + 80w

4w2 + 80w - 1716 = 0

4(w2 + 20w - 429) = 0

4(w + 33)(w - 13) = 0

w + 33 = 0, so w = -33

w - 13 = 0, so w = 13

Since the width can't be negative, the width of the box is 13 and the length is 33 (13 + 20).

But remember, the length and width of the piece of metal are each 8 inches longer than the box, so it was 41 inches by 21 inches.

7 0
3 years ago
Im stuck and i donnt want to get it wrong :( can someone help me please. What is the answer?
kirza4 [7]

Answer:

tax = .45

total cost = 4.95

Step-by-step explanation:

The price before tax is 4.50

The tax rate is 10%

The tax is

4.50 * 10%

4.50 * .10

.45

Add the tax of .45 to the total price

4.50 + .45 = 4.95

3 0
3 years ago
ANSWER PROPERLY PLZ HELP <br> ANSWER BOTH QUESTIONS
Snezhnost [94]
1. 32 cents
2.im not sure
8 0
3 years ago
If x=am-an then a equals​
Iteru [2.4K]
ANSWER: a=x/(m-n)

x=a(m-n)
a=x/(m-n)
6 0
3 years ago
Human hair grows at the average rate of 1/3 inch per month. Sara wants her hair to grow 4 2/3 inches longer. About how many mont
SVETLANKA909090 [29]

Answer:

14 months

Step-by-step explanation:

1/3 x 12 = 4.

1/3 x 2 = 2/3.

12 + 2 = 14.

It will take her 14 months.

Hope this helps! :)

6 0
2 years ago
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