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FinnZ [79.3K]
3 years ago
7

They communicative property applies to subtraction true or false PLEASE HELP ME I’M STRUGGLING

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
5 0

Answer:

True

Step-by-step explanation:

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In the following figure, the value of x is...
coldgirl [10]

Answer:

8.3

Step-by-step explanation:

4 0
3 years ago
Hi I’ll appreciate it if you help me!
dexar [7]
The answer would be 30in.
Reasoning: if the two figures are proportional, you would set it up in a proportion. It would be 36/x=12/10. Then cross multiply, so it would be 12x and 36(10). Afterwords you’ll have 12x=360, then divide both sides by 12 and you’ll end up with 30.
4 0
3 years ago
Find the perimeter and the area of a rectangle with the sides 4 7/20 m and 6 2/3 m.
Simora [160]

9514 1404 393

Answer:

  • perimeter: 22 1/30 m
  • area: 29 m²

Step-by-step explanation:

The perimeter is given by the formula ...

  P = 2(L+W)

  P = 2(4 7/20 +6 2/3) = 2(10 +61/60) = 2(11 1/60)

  P = 22 1/30 . . . . meters

__

The area is given by the formula ...

  A = LW

  A = (4 7/20)(6 2/3) = (87/20)(20/3) = 87/3 = 29 . . . . square meters

The perimeter is 22 1/30 meters; the area is 29 square meters.

5 0
3 years ago
Astrid is in charge of building a new fleet of ships. Each ship requires 40 tons of wood, and accommodates 300 sailors. She rece
gogolik [260]

Answer:Astrid needs 280 tons of wood

Step-by-step explanation:

Because:

1 ship requires 40 tons of wood=accomodates 300 sailors

We must:

2100, sailors needed to be accomodated

÷

300, sailors that can be accomodated by 1 ship that requires 40 tons of wood

=7 groups of 300 sailors that can be accomodated by 1 ship that requires 40 tons of wood.

So:

I ship that requires 40 tons of wood × the 7, groups = 280 tons of wood.

I hope this helps! Im sorry its too complicated.

Simplier:

2100 ÷ 300= 7

40 × 7= 280

6 0
3 years ago
X^(2)+x^(2)=128<br> or<br> x^2+x^2=128
Dvinal [7]

Answer:

Step-by-step explanation:

x^2 + x^2 = 128                 Normally you don't do this but rewrite the question

1x^2 + 1x^2 = 128

You actually do use 1 + 1 = 2 First time I've ever done that.

2x^2 = 128                         Divide by 2

2x^2/2 = 128 / 2

x^2 = 64                            Take the square root of both sides

sqrt(x^2)= sqrt(64)

x = 8

4 0
3 years ago
Read 2 more answers
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