Go to askrose.org but you’ll have to put in that you’re from Indiana
Answer:
o
Step-by-step explanation:
8 inches per sec
40 feet = 480 inches
480÷60 =8
The mistake Jadyn made in the long division is
- Mistake in subtraction
- the first quotient
<h3>What is long division ?</h3>
Long division refers to a way of dividing large numbers
performing the long division correctly gives
divisor dividend quotient multiplication subtraction new dividend
8 335 40 8 * 40 = 320 335 - 320 15
8 15 1 8 * 1 = 8 15 - 8 7
8 70 0.8 8 * 8 = 64 70 - 64 6
8 60 0.07 8 * 7 = 56 60 - 56 4
8 40 0.005 8 * 5 = 40 40 - 40 0
The quotient is then added as
40 + 1 + 0.8 + 0.07 + 0.005 = 41.875
Learn more about long division here:
brainly.com/question/1098876
#SPJ1
Answer:
<h2>−9a³ − a² + 12a</h2>
Step-by-step explanation:
3a(a²-3a+4)-4(3a³-2a²) = 3a³ − 9a² + 12a − 12a³ + 8a²
= (3a³ − 12a³) + (− 9a² + 8a²) + 12a
= −9a³ − a² + 12a
