2 years ago

Solve for x 3x + y = 3

Mathematics

2 answers:

d1i1m1o1n [39]2 years ago

5 0

Answer:

isolate the 3x subtract y then divide by 3 both sides and reduce

melomori [17]2 years ago

5 0

Answer:

3x = 3 - y

x = 1 - (1/3)y

Step-by-step explanation:

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NEED ANSWER ASPA.... PLS HURRY

a_sh-v [17]

We have that
$y=- x^{2} +36$

we know that
Is the equation of a vertical parabola open down
so
the vertex is a maximum

step 1
convert the equation of the parabola in the vertex form
$y=- x^{2} +36 \\ y-36=- x^{2}$

the vertex (h,k) is the point (0,36)

Part a) The point on the graph where the height of the tunnel is a maximum is (0,36)

Part b) The points on the graph where the height of the tunnel is zero feet is when y=0
so
for y=0
$- x^{2} +36=0 \\ x^{2} =36 \\ x= (+/-) 6$

the points are (-6,0) and (6,0)

see the attached figure