Answer:
<h2>3x + y = 1</h2>
Step-by-step explanation:

Answer:
area of trapezium: -
formula...
½(sum of parallel sides)×height=area
=>240=½(12+x)×12
=>240=(12+x)×6
=>240=60+6x
=>6x=240-60
=>6x=180
=>x=180/6
=>x=30cm
therefore, the value of x is 30 cm.
Step-by-step explanation:
hope it helps u
19: He multiplied instead of dividing which will make a totally incorrect answer
Answer:
Jupiter is so big that all the other planets in the solar system could fit inside it. More than 1,300 Earths would fit inside Jupiter. Jupiter is the fifth planet from the sun. From Earth, it is almost always the second brightest planet in the night sky.
40x28
First take 0x8=0
Then take 40*8=320
Next, 20*0=0
Then, 40*20=800
Finally, add them all together to get 1120!