Answer:
5 2.9
Step-by-step explanation:
The product of two irrational numbers can be rational or irrational depending on the two numbers. For example, √3×√3 is 3 which is a rational number whereas √2×√4 is √8 which is an irrational number. As √3,√2,√4 are irrational
Answer:
Pretty sure it's 27
Step-by-step explanation:
(2 4= 8) + 3 (4 4= 16)=27
<span>A projectile is fired with an initial velocity of 450 ft / sec and with an elevation angle of 30 ° above the horizontal, calculate
a) its position and speed after 8s,
The position after 8 seconds will be as follows
horizontal distance:
x=V</span>×t
x=450×8
=3600 ft
b) the maximum height reached will be given by:
H=[v² sin²θ]/2g
Plugging in the values we get:
H=[450²×sin²30]/(2×10)
H=2,531.25 ft
Solve the top equation for x and then substitute that into the bottom equation and solve for y:
Top equation: subtract 4 from both sides to get x = y - 4
Substitution and simplify:
y = 4(y - 4) - 10
y = 4y - 16 - 10
y = 4y - 26
-3y = -26
y = 26/3 or 8 1/3 or 8.333 (those are all the same but in different forms)
