Solve For U -4 +2u = 6

Mathematics

2 answers:

ratelena [41]4 years ago

8 0

Answer:u=5

Step-by-step explanation:

Drupady [299]4 years ago

6 0

Answer:

u=5

Step-by-step explanation:

-4 +2u = 6

2u=10

u=5

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A golfer hits a ball from a starting elevation of 4 feet with a velocity of 70 feet per second down to a green with an elevation

mafiozo [28]

Answer:

t = 4.5 seconds

Step-by-step explanation:

It is given that, a golfer hits a ball from a starting elevation of 4 feet with a velocity of 70 feet per second down to a green with an elevation of −5 feet.

The number of seconds t it takes the ball to hit the green can be represented by the equation as follows :

$-16t^2 + 70t + 4 = -5\\\\-16t^2 + 70t + 9=0$ ......(1)

We need to find time taken by the ball to land on the green. Solving the quadratic equation (1) we get :

t = -0.125 s and t = 4.5 s

Ignoring t = -0.125 s, we get the time taken by the ball to land on the green is 4.5 seconds.

7 0

3 years ago

PLEASE HELP!!!!!

gulaghasi [49]

Answer:

y = -5/4x -19

Step-by-step explanation:

It is often convenient to simplify a point-slope form of the equation.

y = m(x -h) +k . . . . . line with slope m through (h, k)

y = -5/4(x -(-8)) -9 . . . . fill in given values

y = -5/4x -10 -9

y = -5/4x -19

8 0

3 years ago

Two parallel lines are crossed by a

Anni [7]

Answer:

Option C.

Step-by-step explanation:

Let as consider parallel lines r and s are cut by transversal q. On line s where it intersects with line q, the uppercase left angle is 125 degrees and the bottom right angle is d degrees.

We need to find the value of d.

If a tranversal line intersect two parallel lines, then the alternate exterior angles are equal.

Uppercase left angle and bottom right angle are alternate exterior angles. So we can say that

d = 125°

Therefore, the correct option is C.