Answer:
4
Step-by-step explanation:
5 times 12 plus unknown is 80 so 80 divided by 5 is the sum of 12 + unknown number. So 80 divided by 5 is 16. 12 plus unknown is 16 so the unknown number is 4.
Answer:
45
Step-by-step explanation: I added All the numbers together to get it .
Answer:
You can use multiplication to check your division answer this way.
Do the division problem.
Multiply the quotient times the divisor.
If there is a remainder, add it to the multiplication product.
Compare this answer to the dividend. They should be the same number (630 = 630).
Step-by-step explanation:
You can use multiplication to check your division answer this way.
Do the division problem.
Multiply the quotient times the divisor.
If there is a remainder, add it to the multiplication product.
Compare this answer to the dividend. They should be the same number (630 = 630).
Hello there!
Based on my research and information, I really believe that (option a) would actually be your correct answer. I believe this basically because sense the letter k is always constant, we would only divide this by what it is, which is y, and from these, your solution would always look like your (option a). Please inform if correct.
Happy to help!
Answer:
Time taken to reach maximum height=4.69 seconds
Maximum Height=371.56feet
Step-by-step explanation:
Given the height function of the pumpkin:
![h = -16t^2 + 150t + 20](https://tex.z-dn.net/?f=h%20%3D%20-16t%5E2%20%2B%20150t%20%2B%2020)
The pumpkin reaches it's maximum height at its axis of symmetry.
Therefore, we determine its equation of symmetry.
The equation of symmetry:
![t=-\frac{b}{2a}](https://tex.z-dn.net/?f=t%3D-%5Cfrac%7Bb%7D%7B2a%7D)
a=-16, b=150.
Therefore:
![t=-\frac{150}{2*-16}=4.6875](https://tex.z-dn.net/?f=t%3D-%5Cfrac%7B150%7D%7B2%2A-16%7D%3D4.6875)
The pumpkin reaches maximum height after 4.6875 seconds.
At t=4.6875
![h = -16(4.6875)^2 + 150(4.6875)+ 20\\=371.5625\approx 371.56 \:feet](https://tex.z-dn.net/?f=h%20%3D%20-16%284.6875%29%5E2%20%2B%20150%284.6875%29%2B%2020%5C%5C%3D371.5625%5Capprox%20371.56%20%5C%3Afeet)
The pumpkin's maximum height is 371.56 feet.