3 years ago

Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.

Mathematics

1 answer:

Keith_Richards [23]3 years ago

4 0

Answer:

8.0 seconds to the nearest tenth,

Step-by-step explanation:

h=-16t^2 +vt + c.

-16t^2 + 116t + 101 = 0

t = [ -116 + /- √(116^2 - 4*-16*101) ] / (-32)

t = (-116 +/- √19920) / (-32)

t = -0.79, 8.036 (we ignore the negative root)

The time in flight = 8.036 seconds.

You might be interested in

A ladder leaning against a wall forms a triangle and exterior angles with the wall and the ground. What are the measures of the

Paha777 [63]

11x° is interior angle of ladder to the ground
and 7X° is interior angle of ladder to the wall

exterior angle of a ladder to wall is 180-7x
and exterior angle of a ladder to ground is 180-11x

7 0

3 years ago

(4x2 + 7x - 4) + (x2 - 7x + 14)

fomenos

Answer:

4+7x

Step-by-step explanation:

5 0

3 years ago

If f(x) = 3x^2 + 1 and g(x) = 1 – x, what is the value of (f – g)(2)?

ziro4ka [17]

F - g(2) = 3x^2 + 1 - ( 1 - x )
= 3x^2 + 1 - 1 + x
= 3x^2 + x
= 3(2)^2 + 2
= 14

the answer is B.14

i am a mathematics teacher. if anything to ask please pm me

4 0

3 years ago

Nina can stitch 2/3 of dress in 4 hours. If represents the number of dresses and the represents the number of hours, which equat

Gelneren [198K]

Answer:

d :4h

Step-by-step explanation:

hope this helps (;

7 0

3 years ago

Read 2 more answers

Given: line hg is the perpendicular bisector of segment JK. Which conclusion is valid?

Varvara68 [4.7K]

JG = GK
Angle JGH is a right angle
Angle HGK is a right angle assuming it is drawn like this (sorry i did my best to draw it):

H
l
l
l
l
J--------------l--------------K
G

6 0

3 years ago