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Contact [7]
3 years ago
14

The diagram shows a cuboid.4 cm5 cm9 cmWhat is the surface area of the cuboid?​

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
4 0

Answer:

69cm ^2

Step-by-step explanation:

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Find the measure of angle x in the figure below:
zhuklara [117]

Answer:

70°

Step-by-step explanation:

55 plus 55 = 110

180 - 110 = 70

4 0
3 years ago
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A rectangular park is 40 m long and 24 m wide. A path 3m wide is constructed outside the park. Find the area of the path?
satela [25.4K]

Answer:

area of path is  area of park with path - area of rectangular park                      

area of park =l x b= 45 x 30=1350 cm2

area of park with path is =45+2.5+2.5 x 30+2.5+2.5 = 1750cm2

area of path = 1750-1350=400 cm2

Step-by-step explanation:

8 0
3 years ago
Write in equation of the line in the graph
salantis [7]
To write the equation of a line, we use the equation: y = mx +b.

m is the slope of the line, which can be calculated using the equation:
m = (y2 - y1)/(x2 - x1) 
We can choose any two points on the line to put into this equation. The red dots are at (0,0) and (-6,-2), so we will use those, but you would get the same answer by using any other pair of coordinates on the blue line.
m = (-2 - 0)/(-6 - 0) = 2/6 = 1/3

b is the y-intercept of the line. The y-intercept is the y-coordinate when the line crosses the y-axis. It crosses the y-axis at (0,0), so the y-intercept is 0.


Now, we plug our values back into the full equation to get the equation of the line.
y = mx + b
y = (1/3)x + 0 

So the final answer is y = (1/3)x or y = x/3, depending on how you want to write it.



6 0
3 years ago
Read 2 more answers
Find x using the Law of Cosines. Round to the nearest tenth.
Bad White [126]
The Answer for "X" is going to be  25.63201, rounded to the nearest tenth would be 25.6.
 

I hope this helped :)
 
5 0
3 years ago
Find the measure of a central angle that intercepts an arc of 81.5 cm in a circle whose radius is 16.3 cm.
Paul [167]

Answer:

5 rad

Step-by-step explanation:

Recall that the length of an arc of circumference is given by the formula:

Arc\,Length=\theta\,*\,radius, where \theta is the subtended angle [in radians] from the circumference's center.

Therefore in this case, you know the arc length (81.5 cm), and the radius (16.3 cm), and can solve for the angle \theta using the above equation as shown below:

Arc\,Length=\theta\,*\,radius\\81.5\,cm = \theta\,*\,16.3\,cm\\\frac{81.5}{16.3} = \theta\\\theta=5\,rad

6 0
3 years ago
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