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user100 [1]
2 years ago
15

Select the three equations that have

Mathematics
2 answers:
MakcuM [25]2 years ago
3 0

Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3

Step-by-step explanation:

disa [49]2 years ago
3 0

Answer:

Select all of the equations that have y=8.1 as the solution. Mark all that apply.  

y+2.9=11

12-y=8.1

2y+1=17.2

9+7.2-y=8.2

28.4-y=20.3

Step-by-step explanation:

Select all of the equations that have y=8.1 as the solution. Mark all that apply.  

y+2.9=11

12-y=8.1

2y+1=17.2

9+7.2-y=8.2

28.4-y=20.3

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Can someone work out this problem for me because I do not get it and it is due tomorrow for homework? 83.971 + 10.9 PLSS HELPPPP
IrinaK [193]
If you are just adding those two decimals together, the answer would be 100.871.

83.971
+ 10.900 (make believe there are two zeros)
—————-
100.871
8 0
3 years ago
Read 2 more answers
Yo can someone help me out
Ivan

Answer:

1=fee

Step-by-step explanation:

5 0
3 years ago
the length of a soccer pitch is 20 m less than twice its width. the area of the pitch is 6000m^2. find its dimensions.
Setler79 [48]
X=width of a coccer pitch
2x-20=length of a soccer pitch
Area (rectangule)=length x width
We suggest this equation:
x(2x-20)=6000
2x²-20x=6000
2x²-20x-6000=0
x²-10x-3000=0
We solve this quadratic equation:

x=[10⁺₋√(100-4*1*-3000)]/2=[10⁺₋√(100+12000)]/2=
=(10⁺₋110)/2
we have two solutions:
x₁=(10-110)/2=-50, invalid solution.
x₂=(10+110)/2=60

x=60
2x-20=2(60)-20=120-20=100

Solution: the length is 100 m, and the width is 60 m.

To check:
Area=100 m*60 m=6000 m²
The twice of width is =2(60 m)=120 m,
20 m less than twice its width is: 120 m-20 m=100 m=the length.


8 0
3 years ago
Which of the following expressions are equivalent to -45+12
meriva

Answer:

-45 + 12 is equal to -33

and <u>Choice A </u> is also equal to -33.

Step-by-step explanation:

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2 years ago
Edward is playing a game where he draws cards with integers on them from a deck of cards. If the integer is positive he moves fo
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B) 4 steps in front of where he started.
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