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2 years ago

Which equation illustrates the commutative property of addition?

Mathematics

2 answers:

katen-ka-za [31]2 years ago

8 0

12+6+15=12+6+15 is the correct answer

Alex777 [14]2 years ago

5 0

Answer:

12 + 6 + 15 = 12 + 15 + 6

Hope this helps :D

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Oliga [24]

Answer:

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What is the area of this rectangle?

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2 years ago

The measure of the supplement of an angle is 60° less than four times the measure of the complement of the angle. Find the measu

LenaWriter [7]

Answer:

140° and 50°

Step-by-step explanation:

The supplement of the angle (180 - x)

The complement of the angle = (90 - x)

(180 -x) = 4(90-x) - 60

180 - x = 360 -4x - 60

180 -x = 300 - 4x

180 - x + 4x = 300

180 + 3x = 300

3x = 120

x = 40

The supplement (180 - x) = 180 - 40 = 140°

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4 0

2 years ago

Tell how you can critique Jason reasoning

NeTakaya

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2 years ago

Read 2 more answers

The three sides of a triangle are n, 3n+3, and 2n+11. If the perimeter of the triangle is 50 inches, what is the length of each

mylen [45]

Answer:

6, 21, and 23 inches

Step-by-step explanation:

The perimeter of a triangle is equal to the sum of all side lengths in that triangle. We're given the perimeter as 50 inches, and the side lengths as n, 3n + 3, and 2n + 11.

This means that we can algebraically solve the equation $n + 3n + 3 + 2n + 11 = 50$

Step 1: Combine like terms.

$(n+3n+2n) + (3+11) = 50$
$6n + 14 = 50$

Step 2: Subtract 14 from both sides.

$6n + 14 - 14 = 50 - 14$
$6n = 36$

Step 3: Divide both sides by 6.

$6n/6 = 36/6$
$n = 6$

Step 4: Plug in the value of n as 6 in each side.

$(6) + (3(6) + 3) + (2(6)+11) = 50$
$(6) + (18+3) + (12+11) = 50$
$(6) + (21) + (23) = 50$

Therefore, the side lengths are 6, 21, and 23 inches.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

6 0

1 year ago