Answer:
6
Step-by-step explanation:
add them all up and divide by 7
H(x)=-0.5(x-4)^2+2
h(x)=0→-0.5(x-4)^2+2=0
Solving for x:
-0.5(x-4)^2+2-2=0-2
-0.5(x-4)^2=-2
-0.5(x-4)^2/(-0.5)=-2/(-0.5)
(x-4)^2=4
sqrt [(x-4)^2]=+-sqrt(4)
x-4=+-2
x-4+4=+-2+4
x=4+-2
x1=4-2→x1=2
x2=4+2→x2=6
Answer: Second option. The brigde touches the base of the model at 2 feet and 6 feet from the leftmost edge of the model
6) 4/50 = 1/8
7) 1/8 times 160/1 = 20
Given equation :
2/3 y + 15 = 9.
We need to subtract 15 from both sides first.
<h3>2/3 y + 15-15 = 9 -15 <em>Subtraction property of equality.</em></h3>
Now, we need to simplify it.
We get
<h3>2/3 y = - 6 <em> simplification </em></h3>
Now, we need to get rid 2/3 from left side.
On multiplying both sides by 3/2,
<h3>2/3 y * 3/2 = - 6 * 3/2 <em>Multiplication property of equality.</em></h3>
On simplifying, we get
<h3>y = -9 <em>simplification </em></h3>
4 because 4 times 4 is 16
