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2 years ago

11

There is a baseball hit towards the fence with a velocity of 40 ft/sec from an initial height of 24 feet (someone is hitting fro

m the stands!) this equation describes the height based on time aloft. when will the baseball hit the ground?

1 answer:

bonufazy [111]2 years ago

7 0

Answer:

among us

Step-by-step explanation:

add me on xb0x brdaa1984

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Please help I am doing a quiz. solve the equation -5m = -20.

BaLLatris [955]

Answer:

(d) m = 4

Step-by-step explanation:

-5m = -20 (divide by -5)

m = 4

Can I get brainliest

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3 years ago

What is the slope of the line shown below?

melisa1 [442]

Answer:

C. 2

Step-by-step explanation:

Gradient = $\frac{change in y}{change in x}$

Gradient = $\frac{6}{3}$

Gradient = 2

7 0

2 years ago

Read 2 more answers

3 and 1/3 + 4 and 5/7 =

klasskru [66]

The answer is 8 and 1/21 in fixed fraction.

and decimal form it would be 8.047619

3 0

2 years ago

Cesar bikes 6 miles per 1 hour. Write an equation to represent miles per hour and how many miles does cesar bike in 9 hours?

Alenkasestr [34]

Since Cesar is riding his bike at a constant rate of six miles per hour, and he biked 9 hours you have to multiply 9 by 6.

7 0

3 years ago

I need some help with math

Irina18 [472]

Answer:

$(y-7)^2+(x-2)^2=16$

and

$(x+2)^2+(y-15)^2 = 9$

Step-by-step explanation:

The standard equation of a circle is $(x-h)^2+(y-k)^2=r^2$ where the coordinate (h,k) is the center of the circle.

Second Problem:

We can start with the second problem which uses this info very easily.
(h,k) in this problem is (-2,15) simply plug these into the equation. $(x--2)^2+(y-15)^2=r^2$ .
We can also add the radius 3 and square it so it becomes 9. The equation.
This simplifies to $(x+2)^2+(y-15)^2 = 9$ .

First Problem:

The first problem takes a different approach it is not in standard form. But we can convert it to standard form by completing the square.
$y^2-14y+x^2-4x+37=0$ first subtract 37 from both sides so the equation is now $y^2-14y+x^2-4x=-37$ .
$y^2-14y+x^2-4x+37=0$ by adding $(-\frac{b}{2a} )^2$ to both the x and y portions of this equation you can complete the squares. $(-\frac{b}{2a})^2=(-\frac{-14}{2(1)})^2$ and $(-\frac{-4}{2(1)})^2$ which equals 49 and 4.
Add 49 and 4 to both sides and the equation is now: $y^2-14y+49+x^2-4x+4=-37+49+4$ You can simplify the y and x portions of the equations into the perfect squares or factored form $(y-7)^2$ and $(x-2)^2$ .
Finally put the whole thing together. $(y-7)^2+(x-2)^2=16$ .

I hope this helps!

5 0

3 years ago