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Sliva [168]
4 years ago
7

Guys please help third expression

Mathematics
1 answer:
Dmitriy789 [7]4 years ago
7 0

first add A and B together then subtract C when your finished that multiply that answer by itself

example:

(1+5-3)^2=9

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Probability and Playing Cards
vodomira [7]

Answer:

do the calculation below

Step-by-step explanation:

(4/52 ) *(3/51)

leave a comment if you need more help

4 0
2 years ago
A rectangular piece of land measures 32.1 m by 28.4 m what is the perimeter of the land​
vlabodo [156]

Answer:

121

Step-by-step explanation:

32.1 + 32.1 m by 28.4 + 28.4

have a nice day!

6 0
3 years ago
If f(x) = x2 - 4x and f(-3), then the result is:<br> o -3.<br> O 21.<br> 0 -21.
Vladimir79 [104]
This is pretty much saying that if x = -3, then solve for the equation, so (-3)^2 - 4(-3) = 9 - 12 = -3
3 0
3 years ago
Read 2 more answers
Add 7/8 + 2 3/24 + 6 1/6
natali 33 [55]

Answer:

9 4/24 or 9 1/6

  1. Find the LCM(lowest common multiple) of 8, 24 and 6.
  2. The LCM of 8, 24 and 6 is 24.
  3. We now want to turn all the denominators into 24 so we are going multiply 7/8 by 3 and 1/6 by 4. We won't need to turn the denominator of 3/24 into 24 because it's already 24
  4. Whatever you do to the denominator you have to do to the numerator, so you also have to multiply the numerator of 7/8 by 3 and the numerator of 1/6 by 4
  5. That now results in 21/8 + 2 3/24 + 6 4/24
  6. Now you have to add all the fractions together which is going to equal to 28/24
  7. Because 28/24 is more than the whole, subtract 28 from 24 which gives us 4. That 4 is now our new numerator
  8. We are now going to all the whole numbers 6+2+1=9. Incase you're wondering, the '1' came from the 28/24
  9. The answer you should get should be 9 4/24 or if it should be simplified it would be 9 1/6
3 0
3 years ago
Which expression is equivalent to (2x – 3)2 – 3.5x2(2x –5) + 6x(2.5x2 – x + 3.1)?
Olegator [25]

Answer:

Yuhh the answers c dawhggg trus me i just did the same thing lawl!

Step-by-step explanation:

5 0
3 years ago
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