<h2>
Answer: 36 cm</h2>
Step-by-step explanation: 4 times 2.4 gives you 9.6. So you do the same to the 15. 15 times 2.4 = 36.375, or just 36.
Answer:
1. 17.50
2. 6
Step-by-step explanation:
1A: First you have to divide the cost by the three pounds to get the price per pound. Now that you have that answer you multiply it by 7 to get the price of 7 pounds.
2A: You can buy 6 pounds because if you multiply 7.5 x 6 you get 45 which you cannot add one more 7.50 so that is your final answer.
Hope this helps you ^^
Answer:
Just look it up. I checked and it shows all the correct answers.
Step-by-step explanation:
The count the number of times the sign changes
that is how many positive roots there are
if you get a number that is ≥2, then count down by 2's ending at 0
sub -x for x and evaluate
count change in sign again
that is how many negative roots there are
if you get a number that is ≥2, then count down by 2's ending at 0
so
-2x^3+3x^2-5x-2=0
-,+,-,-
1 2
2 or 0 positive roots
x to -x
2x^3+3x^2+5x-2=0
+,+,+,-
1
1 negative root
2 or 0 positive roots and 1 negative root
D is answer
Any scale factor less than 1 would show that an image has been reduced, or contracted, when compared to the original.