Answer: 54
Step-by-step explanation:
Volume is found when you multiply length times width by height, so you multiply all three numbers.
The easiest way to do this is to combine these into easier to multiply terms.
If you multiply two by three, you will end up with six.
When you multiply six by your last number, nine, you end up with fifty four, which is your volume.
Answer:
B,∠BAC=40°
Step-by-step explanation:
diameter makes 90° on the circumference.
∠CBA=90°
∠ACB+∠CBA+∠BAC=180°
50+90+∠BAC=180
∠BAC=180-140=40°
Answer:
12. 5(5x+4)(5x-4)
13. 2(4v+5)(4v-5)
14. 5(3x+2)(3x-2)
Step-by-step explanation:
Haha, there isn't a thing that makes you 'really smart'.
However, you can grow and improve your knowledge.
The more challenging material you expose yourself to, while putting in the effort to solve them, there's no doubt you'll definitely improve!
+ you can try exercising your brain every now and then by playing trivia games or reading books- do whatever interests you and helps you learn!