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Sergeeva-Olga [200]
4 years ago
11

Which expression is equal to x + (y + z)?

Mathematics
2 answers:
shusha [124]4 years ago
8 0

Answer: the answer would be A not C.

Step-by-step explanation:

arsen [322]4 years ago
5 0
X+(y+z) is equal to saying (x+y)+z

This is called the cumulative property when order doesn’t matter or doesn’t change the equation. As in 1+2 is the same as 2+1. No matter which way we get the same answer. This only works with multiplication and addition though. Hope this helps. Any questions please just ask!! Thank you so much!!
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How many diagonals does the regular polygon have
VLD [36.1K]

Answer:3

Step-by-step explanation:

6 0
3 years ago
If 18 is more than 2 times a number is -10, what is the number
AleksAgata [21]

Answer:

-14

Step-by-step explanation:

-10-18=-28 -28/2=-14

7 0
3 years ago
Determine the number of units of solution 2 required to obtain the desire percent alcohol concentration of the final solution. T
KiRa [710]

Answer:

0.66 gal.

Step-by-step explanation:

The following should apply:

C1 * V1 = C2 * V2

we have that C1 is 0.1, that C2 is 0.3 and that V1 is equal to 2 gal

replacing the values we have that:

0.1 * 2 = 0.3 * V2

reorganizing the equation we have:

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8 0
4 years ago
Find the length of x.
Ivahew [28]
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3 0
3 years ago
What are the areas of each smaller rectangle and the large rectangle?
zhannawk [14.2K]

Answer:

Area of part 1: 3 * 5\sqrt{2} = 15\sqrt{2}

Area of part 2: 3\sqrt{2} * 5\sqrt{2}=30

Area of entire rectangle: 30 + 15\sqrt{2}

Step-by-step explanation:

The area of a rectangle can be found by using formula : length * width.

The area of part 1 can be simplified to this:

3 * 5\sqrt{2} = 15\sqrt{2}

Area of part 2:

3\sqrt{2} * 5\sqrt{2}=30

The area of the entire rectangle can simply be added from part 1 and part 2.

For area 2, remember multiplying the square root of 2 twice nullifies the square root. So it becomes 15 * 2, which is equal to 30.

7 0
4 years ago
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