Answer:
A:{(-9/7,-17/7)}
Step-by-step explanation:
3x - 2y - 1 = 0 ⇒ 3x - 2y = 1
y = 5x + 4
then:
3x - 2(5x+4) = 1
3x - 2*5x - 2*4 = 1
3x - 10x - 8 = 1
-7x = 1 + 8
7x = 9
x = -9/7
y = 5x + 4
y = 5(-9/7) + 4
y = -45/7 + 4
y = -45/7 + 28/7
y = -17/7
Answer:
A:{(-9/7, -17/7)}
-3(5x -2)
mutiply the bracket by -3
(-3)(5x)= -15x
(-3)(-2)= 6
Answer: -15x+6
Answer:
21................
Step-by-step explanation:
21.................
Answer:
Yes
Step-by-step explanation:
A triangle can have these lengths
1. Rosa made 96 pints of lemonade because 1 gallon= 8 pints and 12 × 8= 96, so 12 gallons=96 pints.
2.The mountain climber climbed 3 miles because 1 mile = 5,260 feet and 15,840÷5,260=3, so 3 miles = 15,840 feet.