azotilloalexakate68 azotilloalexakate68

15-02-2021
Mathematics

contestada

sign the following values a=5 b=10 c=15
Directions: erform the indicated operation
1. (a + b) – 5 (c + a)
2. (b xc) 10 (a x 2)
3. (a - b) + (b + a)
4. (2ab - 45) + a
5. (2bc - 5ab) ÷ab

Respuesta :

skmdshareef5454 skmdshareef5454

15-02-2021

Answer:

a=5,b=10,c=15

1)(a+b)-5(c+a)

=(5+10)-5(15+5)

=(15)-5(20)

=15-5(20)

=10(20)

=200

2)(10×15)10(5×2)

=150×10×10

=15000

3)(a-b)+(a+b)

(5-10)+(10+5)

(-5)+15

-5+15

=10

4)(2ab-45)+a

=(2×5×10-45)+5

=(100-45)+5

=55+5

=60

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