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

When was Second World War started?
PLS HELP ASAP!! I GIVE THANKS! Which is an example of the commutative property? A. –13 + 27 = 27 + (–13) B. –21 + (11 + 13) = (–21 + 11) + 13 C. 4(–3 + 5) =
is 4m equal to 400dm?
The function can be used to find the volume of air inside a basketball given its radius. What does V(r) represent?
James has a board that is 3/4 foot long. He wants to cut the board into pieces that are each 1/8 foot long. How many pieces can James cut from the board?
is 25 a perfect cube
y=2x+5 and y=3x-10. Solve equations
Imagine you have come across sheet music for a song popular in 1914. What cultural era does this artifact represent? Harlem Renaissance Tin Pan Alley Lost Gener
18n squared + 57n -10
Which verb form correctly completes the sentence? Is the verb singular or plural? A bedroom with a green ceiling and purple walls __________ been his request s