Answer:
x=3/4,y=5/2
Step-by-step explanation:
y=-x^2+4,y=2x+1
substitute y=-x^2+4 as y for y=2x+1
2x+1=-x^2+4, x=3/4(isolate "x")
x=3/4
substitute x=3/4 for 2x+1=-x^2+4
y=2*3/4+1
y=5/2
x=3/4, y=5/2
hope this helps!
Answer:
Sphere
Step-by-step explanation:
we know that
A sphere is a round, ball-shaped solid
so
The geometric solid suggested by a beach ball is a sphere
see the attached figure to better understand the problem

= $<span>562.432.
</span>
original amount + ((100 + percentage) / 100)^number of years
Okay, so on number one I have no idea. I keep getting 20 because 14 - (-3)2 = 14- (-6) which is really 14 + 6=20.
Number 2 is r+15=61
Number 3 I didn't get any of those answers because you have to solve what is in the parenthesis first so3*5= 15+1=16 then you multiply that by two giving you 16*2=32 and 42-32=10
Answer:
j=1
Step-by-step explanation:
5=3j+2
3j=3
j=1