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Nezavi [6.7K]
3 years ago
14

John claims the following two expressions are equivalent.

Mathematics
1 answer:
MrRissso [65]3 years ago
3 0

Answer:

the answer is B. He should have only multiplied 3 by –2 resulting in the expression 5y – 6.

Step-by-step explanation:

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A square is removed from the right hand corner
denis-greek [22]

Answer:

C im pretty sure

Step-by-step explanation:

Because the square taken out has a 4x4 area which is 16 and the area of the whole square used to be 14x14 which is 196 and if u subtract 16 from that you get 180

5 0
3 years ago
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BRAINLIEST iF correct
mezya [45]

Answer:

See below.

Step-by-step explanation:

There are 28 things in the jar, of which 7 are watermelon.

You pick one at random, the chance it is NOT watermelon would be 21/28.

This is equal to 75% and 3/4

4 0
3 years ago
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Help me please it’s algebraic expression
Ksju [112]

Answer:

17. xy + z = 51

18 yz - x = 18

21. 5z + ( y - x ) = 20

22. 5x - ( y2 - 4x ) = -10

23 . x2 + y2 - 10z = 70

24. z3 + ( y2 - 4x ) = 1

25. y + xz / 2

26 .3y + x2 / z = 30

Step-by-step explanation:

17.(6 x 8)+3=

    48+3=51

18.(8 x 3)- 6 =

     24 - 6 = 18

21. 15 + ( 8 - 3 )

      15 + 5=

        20

22 .30 - (64 - 24)=

      30 - 40=

       -10

23. 36 + 64 - 30

      100 - 30

        70

24.  9 + (16 - 24 )=

       9 + -8 =

        1

25. 8 + 48 / 2

      56 / 2

       28

26. 24+ 36/3

      60/3=

       30

4 0
2 years ago
What is 1-4-x-(4-1)=-x-2-(4) With your work shown
erastovalidia [21]

Lets take this step by step.

1-4-x-(4-1)=-x-2-(4)

first, we'll simplify the parentheses on the left side of the equation.

1-4-x-3=-x-2-(4)

second, we'll combine like terms on the left side.

-6-x=-x-2-(4)

third, we'll combine like terms on the right side of the equation.

-6-x=-6-x

since these are equal, (x=x), we have infinitely many solutions.

7 0
3 years ago
There was 145 children that went to the park today and 60% of the children were boys. How many of the children were girls at the
Irina18 [472]

First find 60% of 145 =

60% of 45 equals 87.

Now subtract 87 from 145.

145 - 87 = 58

So there were 58 girls.

7 0
2 years ago
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