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

Yeast cells thrive on ice cold water * True оо False
Put the number by which one you answer and don't put nothing if you don't know it please
the failure of sister chromatids to separate properly during cell division
Tu y yo ___________ que estudiar mucho este semestre. (We need to study a lot this semester)
I need help with number 2
Will mark brainly if answered correctly:) ps it’s soccer
in PE class, Josiah and his friends had to measure their heights. They each used a different measurement tool, and then recorded their heights in the chart belo
2 NaN3 ---> 2 Na + 3 N2 1) Given 8.38 moles of N2, how many moles of NaN3 are needed? a. 3.45 moles NaN3 b. 5.59 moles NaN3 c. 8.06 moles NaN3 d. 11.98 moles
I need help on this.
Piper works at a camera store. He is paid an hourly rate 16% commission on everything he sells. One week, he is paid $365 for working 20 hours and selling $1500