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Nutka1998 [239]
3 years ago
8

Which number sentence shows the commutative property of addition?

Mathematics
2 answers:
Ludmilka [50]3 years ago
8 0
The commutative property of addition states that a + b = b + a, in other words, the numbers in an addition problem can be flipped, but the result will be the same, the answer is C.
hammer [34]3 years ago
8 0
The answer is C. The commutative property is when you can move the numbers around to get the same answer. Since 3 + 5 = 7 , 5 + 3 = 7, and they use the same numbers so you can verify that this is the commutative property.
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Verdich [7]

Answer:

x = 9

Step-by-step explanation:

The product of the external part and the entire part of one secant is equal to the product of the external part and the entire part of the other secant, that is

5(x - 6 + 5) = 4(x - 3 + 4)

5(x - 1) = 4(x + 1) ← distribute parenthesis on both sides

5x - 5 = 4x + 4 ( subtract 4x from both sides )

x - 5 = 4 ( add 5 to both sides )

x = 9

4 0
3 years ago
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The height of a cylinder is equal to the diameter of the base What expression represents the volume of the cylinder, in cubic un
Sveta_85 [38]

Answer: 3 units

Step-by-step explanation:

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divide through by π

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multiply through by 3

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3 years ago
Combine the like terms to create an equivalent expression,
evablogger [386]

Answer: 2y+6

Step-by-step explanation:

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3 years ago
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Given y < 4x – 6, explain how to graph this and decide whether or not (– 1, 5) is a solution to this inequality
svp [43]

the point (-1,5 ) is NOT a solution to the inequality.

There are three steps in graphing an inequality:

Rearrange the equation so "y" is on the left and everything else on the right.

Plot the "y=" line (make it a solid line for y≤ or y≥, and a dashed line for y< or y>)

Shade above the line for a "greater than" (y> or y≥)

or below the line for a "less than" (y< or y≤).

Now to solve this, graph the line y=4x-6

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So we shade everything to the left of the line y=4x-6

Hope that helped.

4 0
3 years ago
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Rudik [331]

Answer:

Step-by-step explanation:

"Inversely proportional to x" in this situation is represented by a = k/x.

Find k:

Let a = 15 and x = 25, then calculate k:

15 = k/25)

Multiplying both sides by 25 yields k = 15(25), or k = 3/5

                       3

and so a = -----------

                      5x

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3 years ago
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