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

Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. Another 15% of the students she surve
What is one fluid that aids in digestion of food?
Donna kempton sews buttons on shirts at a laundry. she makes $0.50 per button. how much is donna's pay when she sews 215 buttons?
How many presidents has the united states had?
Who made it possible for women to be able to vote
Expanded form 7,080,300
What is the greatest common factor of 3 and 6??
Is ten a mltiple of twenty
. In 2003, the number of homicides was what percent of the total number of crimes reported?
Why did the people NOT allow the Articles of Confederation Congress to collect taxes?