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Salsk061 [2.6K]
3 years ago
5

Can someone show me how to do this please?​

Mathematics
2 answers:
laila [671]3 years ago
6 0
The surface area is 108
Andrej [43]3 years ago
5 0

Answer:

SA = 108 ft^2

Step-by-step explanation:

The front and back faces are triangles with 4 ft base and 3 ft height.

The three sides are rectangles with dimensions 4 ft by 8 ft, 8 ft by 5 ft, and 3 ft by 8 ft.

The surface area is the sum of the areas of the two triangles and the three rectangles.

SA = 2 * (1/2)(4 ft * 3 ft) + 4 ft * 8 ft + 8 ft * 5 ft + 3 ft * 8 ft

SA = 12 ft^2 + 32 ft^2 + 40 ft^2 + 24 ft^2

SA = 108 ft^2

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-5x+8y=5 need answer
adoni [48]

Answer: x=\frac{8}{5}y-1



Step-by-step explanation:

-5x+8y=5

-5x+8y+-8y=5+-8y

-5x=-8y+5

\frac{-5x}{-5} = \frac{-8y+5}{-5}

x=\frac{8}{5} y-1

8 0
3 years ago
Can i please have help with number 6
Allisa [31]
Length of the diameter =   sqrt ( (-12- (-8)^2) +(2-0)^2) )
  = sqrt  (16 + 4) = sqrt20 
so radius = sqrt 20 / 2 = sqrt5
so r^2 = 5


Center of the circle = coordinates of the midpoint of the diameter =

-8-12/2 , 2-0 / 2  =    (-10, 1)

(x - a)^2 + (y - b)^2 = r^2  is general form of a circle so here the circle is:_

(x + 10)^2 + (y - 1)^2 = 5  Answer

Its B
7 0
3 years ago
Which functions have graphs that are less steep than the graph of f(x)= -4x^2
LiRa [457]
TTese are all parabolas   whose axis of symmetry  is the y  axis. The negative coefficient means they open downwards and the positive mean they open upwards. The higher the absolute value of the coefficient is the greater the slope, so  2x^2 will be steeper than x^2  and -4x^2 will be steeper than - 2x^2.

So h(x) and j(x)  are the answers.
8 0
3 years ago
Define the following in your own words. Please do not copy and paste of the internet. Thank you in advance
bulgar [2K]

Answer:

Perpendicular bisector - A line that bisects another line into two equal halves so that four right angles are created.

Cylinder - A 3D solid with circles as its bases.

Plane - A flat, 2D surface that extends infinitely.  

Regular Polygon -  A polygon where all angles and all sides are equal  (ex. square, pentagon, triangle).

3 0
3 years ago
Which choices are equivalent to the expression below √16 • √9
Luda [366]

Answer:

12

Step-by-step explanation:

=> √16 • √9

=> Take square roots

=> 4 • 3

=> 12

8 0
3 years ago
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