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Gelneren [198K]
4 years ago
12

Which answer shows this equation written in standard form?

Mathematics
1 answer:
Iteru [2.4K]4 years ago
5 0
So first we solve and simplify
pemdas
first parenthasees

9-4(x-y)=-6x+6
distribute using distributeive property of multiplication which is a(b+c)=(ab)+(ac)

so -4(x-y)=-4x+4y

9-4x+4y=-6x+6
add 6x to both sides
9+2x+4y=6
subtract 9 from both sides
2x+4y=-3
only B matches this
B is the correct answer

(I don't know what standard form is but I know what simplified is)
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Help picture attached
Anastaziya [24]
C. 125 Since a triangle equals 180 degrees you will have to subtract 180-35-20= 125.
8 0
4 years ago
A group consisting of 10 children an adult went to a movie theater children tickets cost 5 each and adults tickets cost 8 each a
wlad13 [49]

9514 1404 393

Answer:

  6 children

Step-by-step explanation:

If all of the group were adults, the total cost of tickets would be 8×$10 = $80. The actual cost was $80 -62 = $18 less than that. Since each children's ticket saves $3 off the cost of an adult ticket, there were $18/$3 = 6 children's tickets.

There were 6 children in the group.

_____

If you want an equation, you can let c represent the number of children. Then the cost of tickets is ...

  8(10 -c) +5c = 62 . . . . 10-c is the number of adults

  -3c = -18 . . . . . . . subtract 80

  c = -18/-3 = 6 . . . divide by 3

3 0
3 years ago
Equivalent fractions of 25/75
Gekata [30.6K]
Simply simplification... 

1/3, my friend is the most basic simplification. 
or 5/15, 10/30, 2/6, etc, etc...
8 0
3 years ago
Read 2 more answers
Please help!
Dmitry_Shevchenko [17]

Answer:

42.9%

Step-by-step explanation:

So you would use [ ((V2 - V1) / |V1|) * 100 ]

V1 = 87.5 to V2 = 125

= ((125 - 87.5) / |87.5|) * 100

= (37.5 / 87.5) * 100

= 0.428571 * 100

= 42.8571% change

= 42.8571% increase

Then you round to 42.9!

Hope it helps! :)

5 0
3 years ago
Read 2 more answers
309 students went on a field trip. Five buses were filled and 29 students traveled by car. How many students were in each bus?
11Alexandr11 [23.1K]

Answer:

56

Step-by-step explanation:

309-29 =280

280/5=56

6 0
3 years ago
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