Perimeter = Side + Side + Side
Side 1 = x
Side 2 = x + 7
Side 3 = 2x-7
Plug into the equation:
84 = x + (x + 7) + (2x-7)
84 = x + x + 7 + 2x - 7
Combine like terms:
84 = 4x
Divide by 4 and solve for x:
21 = x
Side 1 = 21
Side 2 = 28
21+7=28
Side 3 = 35
21(2) - 7 = 42 - 7 = 35
Answer:
D. Paul can type 3/4 as fast as Jennifer
Step-by-step explanation:
60/80 = 3/4
Answer:
1) Option 3
2) Option 1
3) Option 2
Step-by-step explanation:
To find : Match each number in scientific notation with the number written in standard form and in a step by step process.
Solution :
From scientific to standard we expand the power of 10.
1) 
Remove decimal and open the power,


Therefore,
Match with Option 3.
2) 
Remove decimal and open the power,


Therefore,
Match with Option 1.
3) 
Remove decimal and open the power,


Therefore,
Match with Option 2.
Answer:
19
Step-by-step explanation:
(Assuming that each cube is 1 unit), the volume is 5 + 6 + 8 which equals 19
2 grams
6 x 106 = 636
3 x 105 = 315
315 x (2) = about 630