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galben [10]
3 years ago
15

Factorise xy(x-y)+yz(y-z)+zx(z-x)

Mathematics
1 answer:
Masteriza [31]3 years ago
7 0
Expand first:-
yx^2 - xy^2 + zy^2 -yz^2 + xz^2 - zx^2
there is no  common factor  so we cant factorize this
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A test was given to a group of students. The grades and gender are summarized below
faust18 [17]

Answer:

<h3>★ <u>11/</u><u>3</u><u>0</u> is the right answer. ★</h3>

Step-by-step explanation:

  • Number of male students who got 'A' in the test is 11
  • Number of female students who got 'A' in the test is 19
  • Total students who got 'A' in the test is 30
  • Probability that the male student got an 'A' is P(A | male) = (Number of male students who got 'A' in the test)/(Number of total students who got 'A' in the test) = <em><u>11/</u></em><em><u>3</u></em><em><u>0</u></em>
4 0
3 years ago
Help me with this math question please and thank you.​
Kryger [21]

Answer:

b

Step-by-step explanation:

7 0
3 years ago
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The total surface of the cube measures 54ft. How long is its edge?
Fantom [35]

Answer:

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Step-by-step explanation:

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3 years ago
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Mrs. Davis went to a produce market to buy bananas and strawberries. She spent $8.00. If the bananas were $0.50 per pound, and t
9966 [12]

9514 1404 393

Answer:

  4 pounds

Step-by-step explanation:

Let b represent the pounds of bananas Mrs. Davis bought. The weight of strawberries would be (7-b) and their cost would be 4×0.50 = 2.00 per pound. Her total purchase was ...

  0.50b + 2.00(7 -b) = 8.00

  -1.50b +14 = 8 . . . . simplify

  6 = 1.50b . . . . . . add 1.50b -8

  4 = b . . . . . . . . divide by 1.50

Mrs. Davis bought 4 pounds of bananas.

7 0
2 years ago
4w+15= -13<br><br> -12=n/2-6
Firlakuza [10]

Answer:

For the one including 4w the answer is - 7

The one with n/2 is - 12

Step-by-step explanation:

4w=-13-15

4w=-28

w=-7

Multiply by 2 on both sides

-24=n-12

-24+12=n

Always write it in the variables perspective.

n=-12

7 0
3 years ago
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