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ludmilkaskok [199]
3 years ago
14

(x + y + 3)(x + y - 4)

Mathematics
1 answer:
ohaa [14]3 years ago
5 0

Answer:

(X+Y+3)(X+Y-4)

= X^2+XY-4X+XY+Y^2_4Y+3X+3Y-12

=X^2+Y^2+2XY-X-Y-12

Step-by-step explanation:

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9,27,31,155,161,1127,?
damaskus [11]

Answer:

What is the missing term in the series 9, 27, 31,155, 161, 1127?

First number = 9

Second number = 9*3 = 27

Third number = 27+4 = 31

Fourth number = 31*5 = 155

Fifth number = 155+6 = 161

Sixth number = 161*7 =1127

Seventh number =1127+8 = 1135

Eighth number = 1135*9 = 10215

Ninth number = 10215+10 = 10225

Tenth number = 10225*11 =112475

Step-by-step explanation:

7 0
3 years ago
Help me I need this help from you guys as soon as possible to help me ASAP
Pachacha [2.7K]

0 represents the middle of the two people, this is because one person is below (think of this as temperature, negative 90 degrees is -90) and one person is above.

7 0
3 years ago
The diagonal of a square is 27 cm long. The diagonal of a smaller square is 12 cm long. What is the difference between the lengt
kykrilka [37]

length of big square

\sqrt{27}  = 5.2

length of small square

\sqrt{12 }  = 3.5

difference between length of two square

=5.2-3.5

=1.7

7 0
3 years ago
If x=2y=3z then x:y:z equals what?
Alisiya [41]

Answer: x=6 y=3 z=2

Step-by-step explanation: The question is very vast so im guessing that its just finding 3 whole numbers that can equal the same ammount being multipied by 2 and 3. I chose 6. But theres many others. The answer should be correct because if we replace the letters with the numbers i put in the answer it should look like this: 6=2•3=3•2

When we do simplify this we should get 6=6=6 which is true.

Again you can use different numbers for example 12 as X. Then you need to divide 12 by whats behind the Y. So 12÷2 is 6. So Y is equal to 6. To find Z all you need to do is follow the same steps as Y. Find the number behind Z (3) and divide that into 12. So it would be 12÷3. And if you do the math right it should look like this: X=12, Y=6, Z= 4. And when you imput the numbers to thier corresponding letter it should look like this 12=2(6)=3(4) which simplified looks like 12=12=12 which is true.

5 0
3 years ago
Which of the following is a counterexample for this conditional statement?
Gelneren [198K]
I think it is lizard
5 0
3 years ago
Read 2 more answers
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