Answer:
Its bad to cheat on a test my dude
Step-by-step explanation:
Answer:
A= 115.625
Step-by-step explanation:
3,800x2-200=64A
Combine all like terms.
7,400=64A
Your going to have to divide 64 on bothe sides to leave 'A' alone one one side of the equal sign.
Your final answer will be <u>115.626=A</u>
Answer:
3.) 90°; perpendicular bisector; AB; 9; E, AB.
Step-by-step explanation:
∠BEC and ∠BED form a linear pair. This means their sum is 180°. Since we know that m∠BEC = 90°, this means that
m∠BED = 180-90 = 90°.
Since AE = AB and CD intersects AB at right angles, this means that CD is the perpendicular bisector of AB.
This means that AE = 1/2AB.
If AB = 18, then AE = 1/2(18) = 9.
Answer:during phase chages
Step-by-step explanation:
During phase changes, energy changes are usually involved. For example, when solid dry ice vaporizes (physical change), carbon dioxide molecules absorb energy. When liquid water becomes ice, energy is released. Remember that all chemical reactions involve a change in the bonds of the reactants