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svp [43]
3 years ago
10

Bài 1: Tính giá trị của biểu thức sau:

Mathematics
1 answer:
Alex Ar [27]3 years ago
8 0

Answer:

Lời giải có ở trong ảnh bạn nhé

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Evaluate 3/4+(1/2+1/4)^2⋅2
Whitepunk [10]

Answer:

1 7/8

Step-by-step explanation:

Exact Form 15/8

Decimal Form 1.875

Mixed Number 1 7/8

3 0
3 years ago
If you want someone to do your homework assignments for you (math, English) for a cheap price lmk
seraphim [82]

Answer:

I do lol

Step-by-step explanation:

6 0
3 years ago
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Anyone know the answer
SVETLANKA909090 [29]

Answer:

The answer is D

Step-by-step explanation:

Or the 4th answer

6 0
4 years ago
-0.15+ (-0.75) how do you solve ​
VARVARA [1.3K]
You can think of the negative number as just a subtraction problem, so you can change it up to be:
-.15 - .75
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7 0
3 years ago
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X=2y-4 7x+5y=-66 solve by elimination
Alexxandr [17]

Answer:

{x,y}={-8,-2}

Step-by-step explanation:

 [1]    x = 2y - 4

Plug this in for variable  x  in equation [2]

  [2]    7•(2y-4) + 5y = -66

  [2]    19y = -38

Solve equation [2] for the variable  y

  [2]    19y = - 38

  [2]    y = - 2

By now we know this much :

   x = 2y-4

   y = -2

Use the  y  value to solve for  x

   x = 2(-2)-4 = -8

3 0
3 years ago
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