<u>650 cannonballs
</u>
Explanation step by step:
layer 12 is 12 ^ 2
<u>The formula is:
</u>
n * (n + 1) * (2n + 1) / 6
n = 12
12 (12 + 1) (2 * 12 + 1) / 6
12 * 13 * 25/6 =
650
<u>There are 650 cannonballs in this pyramid.</u>
Here, Angles under a straight line would be equal to 180
So, 70 + 60 + y = 180
130 + y = 180
y = 180 - 130
y = 50
Now, x = y [ As they are vertically opposite angles ]
In short, Your Answer would be 50
Hope this helps!
Answer:
y = 1/4 x - 1/2
Step-by-step explanation:
Remark
The general equation for a line is y = mx + b
You know that m = 1/4. The problem is what do you do about (2,0)?
Solution
y = 1/4 x + b Let x = 2 when y = 0
0 = 1/4 * 2 + b multiply 2 * 1/4
0 = 1/2 + b Subtract 1/2 from both sides
b = - 1/2
equation y = 1/4 x - 1/2
Graph
Answer:
Warmer
Step-by-step explanation:
It's higher than Trent s record
You don't have enough math yet to be able to derive the formulas,
so you just have to memorize them:
Area of a circle = (pi) x (radius of the circle)²
Area of a square = (the length of one side of it)²
You may think you can't memorize them, but that'sexactly
what homework is for.
Take ten circles of different sizes and find the area of each one.
Then take ten squares of different sizes and find the area of each one.
You'll remember the formulas for the rest of your life. I guarantee it.
In fact, I'd be very surprised if you're in high school math now and you haven't
already done this for homework.
Let me rephrase that: I'd be very surprised if you're in high school math now
and this hasn't already <em>been assigned</em> as homework.