MATHEMATICS HIGH SCHOOL

Please help I don’t know

Answers

Answer 1

Answer:

Answer: Still air: 150 mph

Wind speed: 30 mph

Step-by-step explanation:

Answer 2

Answer:

Answer:

The speed of the airplane in still air is ____ miles per hour.

The wind speed is _____ miles per hour

Step-by-step explanation:

So typically you just have to read the problem and understand it..

the answer in no.1 is 150

the answer in no.2 is 30

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Find the surface area of the cylinder. Please helpthe length is 12in

the diameter is 5in

Answers

227.77in²

Hopethishelpedyou-haveagooddaybrocya)

If the volume of the rectangular prism is represented by 6x2 – 2x + 8 and the base area is 2x – 4, which expression represents the height?

Answers

$\bf \textit{volume of a rectangular prism}\n\n V=Lwh~~ \begin{cases} L=length\n w=width\n h=height\n \cline{1-1} V=6x^2-2x+8\n \stackrel{base}{Lw}=2x-4 \end{cases}\implies 6x^2-2x+8=(2x-4)h \n\n\n \cfrac{6x^2-2x+8}{2x-4}=h\implies \cfrac{\begin{matrix} 2 \n[-0.7em]\cline{1-1}\n[-5pt]\end{matrix}~~(3x^2-x+4)}{\begin{matrix} 2 \n[-0.7em]\cline{1-1}\n[-5pt]\end{matrix}~~(x-2)}=h\implies \cfrac{3x^2-x+4}{x-2}=h$

Find slope of 2x-4y + 7=0

Answers

Answer:

1/2

Step-by-step explanation:

The first thing you want to do is get y by itself. Subtract 7 from both sides:

2x-4y=-7

and then subtract 2x ( the goal is to make your equation look like this: y=mx+b):

-4y= -2x-7

Now, y is mostly isolated, all you have to do now is divide both sides by -4 in order for y to be completely by itself:

y=-2/-4x -7/-4

Simplify completely:

y=1/2x+7/4

Now you have your equation you can easily read it as y=mx+b.

** m is slope & b is the y-intercept**

So your slope would be: 1/2

Find the difference. Do not round.

12.39 - 1.504 =

Answers

12.39 - 1.504 - Given subtraction problem that needs to be solve to find out the difference. NO need to round off the answer.
=> 12.39 - 1.504 = 10.886
10.886 - is the answer or the difference.

Answer:

=> 12.39 - 1.504 = 10.886

Step-by-step explanation:

=> 12.39 - 1.504 = 10.886

In the image below which point is the vertex of an angle