Top Answer

what is 10 squared DOES NOT equal what?

🙏

0🤨

3😮

0😂

02(y + 5)

2 *5y

5(x^2 + y)

2xy

That verbal expression would read: 3(x+y)^2 + 5(2x -y) ^2 means 'squared' in the above example.

3[(x^2) + 5] x (2x-y) Do the parentheses first, then brackets next. P.e.m.d.a.s.

Twice the sum of 'x' and 'y' . . . 2(x+y) The sum of twice 'x' and 'y' . . . (2x+y)

Let x = one number = 2 or 2.5 Let y = the other number = 2.5 or 2 (x)(y)=5 x+y=4.5 y=4.5-x (x)(y)=5 (x)(4.5-x)=5 4.5x-x^2-5=0 I used the quadratic formula to get x. x=2 or x=2.5 (x)(y)=5 (2)(y)=5 y=5/2 y=2.5 (x)(y)=5 (2.5)(y)=5 y=5/2.5 y=2

2(2+Y)

2(x+y) is twice the sum of x and y, and 2x+y is the sum of twice x and y

5 x 17 = 85 85 + Y so therefore it equals 100 + 10 = 110

17

-2

2 times 2 times 5 times x times y

x+y = 2 x-y = 8 +y and -y gets canceled that gives, 2x = 10 x = 5 substituting the value of x x+y = 2 5+y = 2 y =-3 hence the two integers are: x = 5 and y = -3

x + y = 2 x - y = 8 x = 2 - y (2 - y) - y = 8 2 - 2y = 8 -2y = 6 y = -3 x - (-3) = 8 x = 5 So the two integers are -3 and 5.

Algebraic expressions are useful for translating problems into the language of mathematics. An algebraic expression for the problem "6 times the sum of 4 and y" would be: 6(4+y) = 24 + 6y.

the sum of -5 and 3x

2 times 2 times 5 times x times y = 20xy

x = 10, y = 25

If you meant (45x^4)(y), then the answer is: (3)(3)(5)(x)(x)(x)(x)(y) If you meant 45 times x times 4 times y, then the answer is: (2)(2)(3)(3)(5)(x)(y)

5 & 7 Solution: x+y = 12 x-y = 2 => x = y+2 Substitute the x in the first equation with the second equation: (y+2) + y = 12 2y = 10 y = 5 x = 7

2.(2+y) = 2.2 + 2.y = 4 + 2y

5+y=12

2 (x + y)

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