Use the Pythagprean theorem:
We have:
Substitute:
20g³ + 24g²<span> - 15g - 18 =
(20g</span>³-15g)+(24g²-18<span>) =
5g(4g</span>²-3)+6(4g²-3<span>) =
(4g</span>²-3<span>)(5g+6)</span>
Let
x-------------> number of baseballs
y-------------> number of bats
we know that
x+y=100----------------> x=100-y --------------> equation 1
4.5x+20y=822 ------------------------> equation 2
<span>I substitute 1 in 2
</span>4.5*(100-y)+20y=822----------------> 450-4.5y+20y=822-----> 15.5y=372
y=372/15.5-----------> y=24
x+y=100------------> x=100-24---------> 76
the answer is
number of baseballs are 76
number of bats are 24
9514 1404 393
Answer:
(d) x = 2
Step-by-step explanation:
Adding the two equations gives ...
(-8x +8y) +(3x -8y) = (8) +(-18)
-5x = -10 . . . . . sum of the two equations
x = 2 . . . . . . . . result of dividing by -5
Answer:
(1.5, -13.5)
Step-by-step explanation:
Midpoint Formula:
Simply plug in our coordinates into the formula:
x = (17 - 14)/2
x = 3/2
y = (-11 - 16)/2
y = -27/2