A bag contains 12 red marbles The ratio of red marbles to blue marbles is 4:3?
1 answer:
There are 9 blue marbles.
Step-by-step explanation:
12÷4=3
3×3=9
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A = L x W
20 x 20 = 400.
400 x 8 = 3200
Answer:
D
Step-by-step explanation:
Answer:
k=48
Step-by-step explanation:
Add -29 and 77
k: -3k -3k =48
Circumference: 2πr C=18 so r= 18/2π= 9π
Arc length = rθ 6=(9π)θ θ=6/9π
Convert to degrees by multiplying by 180/π
6/9π x 180/π = 120 degrees
Answer:
y=-3x^2+12x+63
Step-by-step explanation:
y=-3(x-7)(x+3)
y=-3(x^2-4x-21)
y=-3x^2+12x+63
