Halat011304 Halat011304
  • 02-11-2019
  • Mathematics
contestada

please help me for 30 points

please help me for 30 points class=

Respuesta :

stargaming136
stargaming136 stargaming136
  • 02-11-2019

Starter Questions:

A)

1.x=20/4=5

2.x=54/9=6

3.x=7 × 56 =392

4.x=12×60=720

B)

1.5a=5×a=5×9=45

2.3a+4=3×a+4=3×9+4=31

3.a÷3=9÷3=3

4.10×a-12=10×9-12=90-12=78

5.a²-11=9×9-11=81-11=70

c)

1 . 4×4+2×8=16+16=32

2.10c-3b=10x8-3x4=80-12=68

3.bc=8x4=32

4. -c+b=-8+4=4

5. 2(b+c)=2(4+8)=8+16=24

Answer Link

Otras preguntas

What is a freestanding sculpture? How many points of view does a freestanding sculpture have?
what is a healthy BMI and waist circumference for a female
What are the vertices of the hyperbola with equation 4y^2 -25x^2=100
Select all the correct answers. Why is it important for scientists to review and repeat the work of other scientists? A scientific theory must be tested three t
Lee la información y completa la frase con el presente perfecto o el futuro perfecto. Read the information and complete the sentence with the present perfect or
In marginal analysis, people compare the____ benefits to those of the costs.
PLZ HELP I NEED IN 5 MINS Simplify each expression. Your answer should contain only positive exponents. a ) −16^0 b )m^3n^−9
What were the results of the demographic and cultural interactions caused by the migration of Europeans and Africans to the Americas?
Without multiplying, is the product of 45x 10 or 50x10 greater? Explain
of three regions, which was the parent nation