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Westkost [7]
3 years ago
8

4 + 5 = 5 + 4 shows which property?

Mathematics
1 answer:
dalvyx [7]3 years ago
4 0

Answer:

commutative property of addition

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Solve the following system of equations by graphing.
never [62]

Answer:

(x,y)=(3,1)

Step-by-step explanation:

8 0
3 years ago
A box is 12 inches long, 5 inches wide, and 4 inches wide high. What is the surface area, in square inches (sq. in.) of the clos
Llana [10]
The area of the box is 240 sq inches

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Read 2 more answers
What is the range of 1/2 1/8 1/2 5/8 1/4 1/4 1/2 3/4 1/8 5/8 1/4 1/2
Inessa [10]

Answer:

5/8

Step-by-step explanation:

Range = max-min

maximum of the numbers given is 3/4

minimum of the numbers given is 1/8

3/4 is equivalent to 6/8

range=6/8-1/8=5/8

3 0
3 years ago
Can someone please help me on these two?
stellarik [79]

Answer:

Guided Practice 4:  QR = 7.12

Guided Practice 5:  x = 15

Step-by-step explanation:

<u>Guided Practice 4:</u><u> </u>

Given that:

PR = 13 \frac{3}{4} ft = 13.75 ft

PQ = 6\frac{5}{8} ft = 6.63ft

QR = ?

PQ + QR = PR

6.63 + QR = 13.75

Subtract 6.63 from both sides of the equation to solve for QR:

6.63 - 6.63 + QR = 13.75 - 6.63

QR = 7.12

Check if QR is valid:

PQ + QR = PR

6.63 + 7.12 = 13.75

13.75 = 13.75  (true statement).

<u>Guided Practice 5</u>:  

Given that:

AC = 4x - 12

AB = x

BC = 2x + 3

AB + BC = AC

x + (2x + 3) = 4x - 12

Combine like terms:

3x + 3 = 4x - 12

Add 12 on both sides of the equation:

3x + 3 + 12 = 4x - 12 + 12

3x + 15 = 4x

Subtract 3x from both sides of the equation:

3x - 3x + 15 = 4x - 3x

15 = x

Check if AB = x is valid by plugging in 15 to x values in the equation:

AB + BC = AC

15 + 2(15) + 3 = 4(15) - 12

15 + 30 + 3 = 60 - 12

48 = 48  (True statement)

5 0
2 years ago
Help me plz !!!!!!!!! &gt;,
Viktor [21]

Answer: 21/28

Step-by-step explanation: you know 75/100 is 0.75, which means whatever is on top of 28 has to be less than 28 so the answer is less than 1. I just plugged in numbers until I got the right answer.

7 0
2 years ago
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