Bryce has 24 baseball trophies. Matt has 3/4 as many trophies as Bryce. How many trophies does Matt have?
2 answers:
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Equation #1: x+y=40
Equation #2: 7x+4y=193
Monica bought 11 red bricks.
Step-by-step explanation:
Given,
Cost of one red brick = $7
Cost of one gray brick = $4
Total spent on bricks = $193
Total bricks bought = 40
Let,
x represents the number of red bricks bought.
y represents the number of gray bricks bought.
What is the system that models this situation?
Equation #1: x+y=40
Equation #2: 7x+4y=193
How many red bricks did Monica purchase?
Multiplying Eqn 1 by 4
Subtracting Eqn 3 from Eqn 2
Dividing both sides by 3
Monica bought 11 red bricks.
Keywords: linear equation, elimination method
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Answer:
Step-by-step explanation:
Given ,
A right angle triangle ΔABC with right angle at C and ∠A=30° and AC=5√5 units .
Let ∠A=A,∠B=B∠C=C and AC=b,BC=a,CA=b .
Implies perimeter of triangle = a+b+c .
now
and
implies ,