Answer:
DE=6
Step-by-step explanation:
DE+EF=DF
9x-12+x+10=18
10x-2=18
10x=18+2
x=20/2=10
DE=9x-12 ⇒ 9(2)-12=18-12=6
DE=6
Answer:
the answer is about 7.67 hours
Step-by-step explanation:
The difference in the temperature is 4.6 degrees, so 4.6 divided by 0.6 is about 7.67 hours
Take the number of blocks and multiply it by the stories
Answer:
1)
2)
3)
4)
Step-by-step explanation:
1) Apply distributive property:
Subtract 10 from both sides of the equation and then divide both sides by 2:
2) Apply distributive property:
Add 3 to both sides of the equation and then divide both sides by -3:
3) Apply distributive property:
Add 4 to both sides of the equation:
Multiply both sides by :
4) Apply distributive property:
Add to both sides of the equation:
Multiply both sides by :
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