Answer:
1170 ft³
Step-by-step explanation:
Volume of prism
= base area × height
= 90 × 13
= 1170
Answer:
x = 20
Step-by-step explanation:
X=10.5
8/6=14/x
Cross multiply
8x=84
Divide 8 to both sides
X=10.5
Answer:
40!
Step-by-step explanation:
CE is 12
CD and ED are congruent so they're both 14
12 + 14 + 14 is 40
Answer:
x +3 = x^2 +2x -4
Step-by-step explanation:
Straight substitution of the top expression for y gives you ...
x +3 = x^2 +2x -4
__
This lets you rewrite the equation to standard form as ...
x^2 +x -7 = 0
and find the solutions to be ...
x = (-1±√29)/2
Corresponding y-values will be 3 more than this:
y = (5±√29)/2
