8 times 9 - 7 + 4 times 5
Use PEMDAS. Parentheses, Exponent, Multiply, Divide, Add, Subtract
Multiply:
8 times 9 = 72
4 times 5 = 20
72 - 7 + 20
Add:
72 + 20 = 92
Subtract:
92 - 7 = 85
8 times 9 - 7 + 4 times 5 is equal to 85.
If there is $1,000 for the pipes, then you can buy 5 steel pipes for $500 and to plastic for 500 too.
I’m pretty sure the answer is 30... right? Because you’d multiply 10 and 3
Since the formula for the base of the cylinder is
, multiplying that by 10 we get
. Hope this helps!
That’s a very good question but i don’t know the answer however it may be animals