All categories

2 years ago

Please help me and thank you!

Mathematics

2 answers:

Naddik [55]2 years ago

5 0

54 feet would be exact i think dont take my word for it.

densk [106]2 years ago

4 0

Givens

Area: x^2 - 80x - 1500

Width: x - 30

Length: ??

Solution

x^2 - 80x - 1500 will factor

Area = (x - 30) (x - 50)

Length = Area / width

Length = ( (x - 30)(x - 50) ] / (x - 30)

Length = x - 50

Comment

You could say that the width = 30

And the length = 50

But I don't think that is what you are asked for.

You might be interested in

Can anyone Solve this?

fenix001 [56]

Answer:

1.5 feet

Step-by-step explanation:

1 inch = 3 feet

Height: 0.5 inches = 1.5 feet (0.5 * 3 = 1.5)

Length: 2 inches = 6 feet (2 * 3 = 6)

Hope that helps!

6 0

2 years ago

Read 2 more answers

A triangle has two constant sides of length 5 feet and 7 feet. The angle between these two sides is increasing at a rate of 0.9

o-na [289]

Answer: $12.74 ft^2/s$

Step-by-step explanation:

Given

Two sides of triangle of sides 5 ft and 7 ft

and angle between them is increasing at a rate of 0.9 radians per second

let $\theta$ is the angle between them thus

Area of triangle when two sides and angle between them is given

$A=\frac{ab\sin C}{2}$

$A=\frac{5\times 7\times \sin \theta }{2}$

Differentiate w.r.t time

$\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\cos theta }{2}\times \frac{\mathrm{d} \theta }{\mathrm{d} t}$

at $\theta =\frac{\pi }{5}$

$\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\times cos(\frac{\pi }{5})}{2}\times 0.9$

$\frac{\mathrm{d} A}{\mathrm{d} t}=12.74 ft^2/s$

4 0

3 years ago

A cylinder has a radius of 30 ft and a height of 19 ft. What is the exact surface area of the cylinder?

Ad libitum [116K]

$A=2\pi r(r+h)\\
A=2\pi\cdot30\cdot(30+19)\\
A=60\pi\cdot49\\
A=2940\pi\hbox{ ft}^2$

4 0

3 years ago

Read 2 more answers

Help please for today

miskamm [114]

Answer:

Step-by-step explanation:

Y-intercept : (0 , 2.5)

X-intercept: (3.5 , 0)

When looking at the intersection on the y-axis, the x-coordinate will be 0. And when looking at the intersection on the x-axis, the y-coordinate will be 0.

8 0

2 years ago

Which graph fits y=2x+1?

alekssr [168]

Answer:

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers