What is percent is 14 out of 25?
1 answer:
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Answer:
m∠DEC = 78°
Step-by-step explanation:
Given information: AC = AD, AB⊥BD, m∠DAC = 44° and CE bisects ∠ACD.
If two sides of a triangles are congruent then the opposite angles of congruent sides are congruent.
AC = AD (Given)
According to the angle sum property, the sum of interior angles of a triangle is 180°.
Divide both sides by 2.
CE bisects ∠ACD.
Use angle sum property in triangle CDE,
Subtract 102 from both sides.
Therefore, the measure of angle DEC is 78°.
Answer:9 nickels and 19 dimes.
Step-by-step explanation:
Let be the number of nickels Kay has.
Let be the number of dimes Kay has.
Value of nickel is $
Value of nickels is $
Value of dime is $
Value of nickels is $
Given that Kay has a total of coins.
So, ...(i)
Given that Kay has a total value of $
So, ...(ii)
Using (i) and (ii),