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rusak2 [61]
3 years ago
14

Is 21xy and 21yx the same?

Mathematics
2 answers:
miv72 [106K]3 years ago
7 0

Answer:

Yes

Step-by-step explanation:

Algebraic terms that multiply each other can be written in any order. This is the commutative law.

An example of how this works is 5×3 is the same as 3×5.

**This content involves the commutative law, which you may wish to revise. I'm always happy to help!

harina [27]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

yes

x x y = xy

y x x = yx

so its the same thing just depends whether u want to be it in alphabetical order

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A bag contains 12 toffees. Kate eats 3 toffees and Josh eats 4 toffees.
Vinvika [58]

Answer:

5/12

Step-by-step explanation:

3 + 5 = 7

12/12 - 7/12 = 5/12

4 0
2 years ago
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Sarah and her family just got back from vacation they had been travelling for 3 days driving 8 1/2 hours each day how many hours
sergeinik [125]
3×8.5= 25.5 hours all together
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3 years ago
Aakash has a fever. His body temperature during the day was 99.2°F. By evening, his body temperature has increased by 3.4°F. His
Lera25 [3.4K]

Answer:

Step-by-step explanation:

Increase means his temp is going up. Just add.

99.2° + 3.4°

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3 0
2 years ago
D) The perimeter of room is 28 m. and the height is 3.5 m. Find the area of 4 walls.
mote1985 [20]

Answer: 98

Step-by-step explanation:

Area of four walls = Curved surface area

                             = perimeter × height

                              =    28          ×   3.5

                              = 98 m square  

7 0
1 year ago
Can someone help me out with these two problems having trouble please !!
eimsori [14]

Answer:

1.

x=-10

x=-6

2.

x=10

x=-3

Step-by-step explanation:

to find the zeros of a function you need to set it equal to zero:

x^2+16x+60=0

then you factor

(x+10)(x+6)=0

then you have to finish factoring/simplifying

x+10=0

  -10

x=-10

x+6=0

 -6

x=-6

and the same thing for number 2

x^2-7x-30=0

(x-10)(x-3)=0

x=10, x=3

3 0
2 years ago
Read 2 more answers
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