12 multiplied by 9 is 108. That gives us the square. The triangle base is 9. The height is 7. 7 multiplied by 9 is 63. 63 divided by 2 is 31.5. 108 add 31.5 is 139.5 cm squared.

8 0

2 years ago

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If you reduce a twelve times a number by 40, you get the same number as if you increase its seven times by 25. What number is th

Digiron [165]

Step-by-step explanation:

Take the number as x

12x-40=7x+25

collect like terms

12x-7x=25+40

5x=65(divide both sides by 5)

x=13

Therefore number is 13

6 0

3 years ago

PLEASE HELP. 40 points!!!

sergij07 [2.7K]

Answer:

nothing

first ride he take 1000galons and after 1000 miles he consumpted 1000galons so nothing left

7 0

2 years ago