Ashiyamae07viz
Answered

C. let x = 4, y = 2 and z = 5.Evaluate the following.show your solution.

11. -4xy – 2(x + 8)
12. 5xz
3y–( –19)

plsss..po pasagot need q po sya bukas...​

C Let X 4 Y 2 And Z 5Evaluate The Followingshow Your Solution11 4xy 2x 812 5xz 3y 19plssspo Pasagot Need Q Po Sya Bukas class=

Sagot :

Khate2182viz

Answer:

11. Answer: -56

[tex] - 4xy - 2(x + 8) \\ - 4(4)(2) - 2(4 + 8) \\ - 4(8) - 2(12) \\ - 32 - 24 \\ = - 56[/tex]

12. Answer: 4

[tex] \frac{5xz}{3y - ( - 19)} = \frac{5(4)(5)}{3(2) - ( - 19)} \\ = \frac{5(20)}{6 + 19} \\ = \frac{100}{25 } \\ = 4[/tex]

Alainerosedlumpinesviz

Answer:

11. -56

12. 4

Step-by-step explanation:

11.

-4xy – 2(x + 8)

= -4(4)(2)-2(4+8)

= -4(8)-2(12)

= -32-24

= -56

12.

5×2 5(4)(5) 5(20)

_________ = ________ = _________

3y-(-19 3(2)-(-19) 6-(-19)

100

= _________ =4

25