The dome of a cathedral has a semispherical form with radius of 50m. If the restoration costs $300 per m², what is the total cost of the restoration?
answer
[tex]=\frac{2}{3}x\frac{22}{7}x6.3x6.3x6.3m^{3}=523.908m^{3}[/tex]
When you multiply monomials with the same variables, you multiply the coefficients and add the exponents!
If you multiply monomials with the same variables, you will also multiply the coefficients and add the exponents is a true statement.
What is multiplying monomials of exponents ?If a person multiply monomials, the first thing to do is to multiply the coefficients and later on one can multiply the variables through the addition of the exponents.
Conclusively, One needs to know the fact that if a person multiply monomials using the same base, the person can also add their exponents and this is referred to as Product of Powers Property.
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Which of the following are examples of engineering controls? Select all that apply.
Steps for removing used medical exam gloves
Washing stations
Biohazard waste containers
Spill clean up kits
Sharps containers
The examples of engineering controls is Biohazard waste containers and Spill clean up kits.
What is engineering controls?
An engineering controls is a workplace process that protect workers by removing hazardous conditions or by placing a barrier between the worker and the hazard.
An example of engineering controls is installation of exhaust ventilation to remove airborne emissions to shield the worker.
Hence, the examples of engineering controls is Biohazard waste containers and Spill clean up kits.
Therefore, the Option C and D is correct.
Brainly people I really needed help so.
What is the length of the bar that can be made from 1.2 m³ of Aluminum if the bars have rectangular cross section of 0.25 m²?
Answer:
4.8 m
Explanation:
The volume of a rectangular prism is given by the formula ...
V = Bh . . . . . base area B, height h
Given the volume and the area of the cross section, the length can be found as ...
h = V/B
__
Filling in the given values, we find the length to be ...
h = (1.2 m³)/(0.25 m²) = 4.8 m
A bar 4.8 m long can be made from the given volume of aluminum.
Answer:
4.8
Explanation:
Which two characteristics define the typical features of a developed country? high literacy rate due to funds allocated to education high percentage of the population engaged in agricultural activity lower life expectancy due to unavailability of medicine in certain areas high percentage of unemployed population for more than five consecutive quarters high percentage of population engaged in the secondary or tertiary sector
Help MEEEEEEE AAAAAAAAA!!
Answer:
Answer:
A and B
A)high literacy rate due funds allocated to education
B) high percentage of the population engaged in agricultural activity
Explanation:
what is the process of creating a perfectly glued together edge to edge joint.
Answer:
Mark the boards. Arrange boards for their best appearance. ... Apply wood glue. Apply glue smoothly and evenly along the board edge, using your finger as a guide. ... Slide the boards together. ... Check the glue coverage. ... Look for glue squeeze-out. ... Make the boards even. ... Scrape soft glue.
Explanation:
True or false?
The black box in a plane is black.
Answer:
false, it's orange in colour
In a stream channel, the total volume of water flowing through a cross-section of stream is _______.
Answer:
The sediment and dissolved matter transported by the stream is called its load. 3. The quantity of water passing a fixed point on the stream bank within a given interval of time is a measure of the stream's discharge
Explanation:
What does it mean to “declare a variable”
Answer:
Declaration of a variable is for informing to the compiler the following information: name of the variable, type of value it holds and the initial value if any it takes. i.e., declaration gives details about the properties of a variable. Whereas, Definition of a variable says where the variable gets stored.
Explanation:
Have a good day
Cutting ___ the manometer is the procedure for operating a manometer's three-way manifold valves to disconnect the manometer from a process.
Answer:
Cutting out
Explanation:
That is the correct answer.
A voltage _______ is an increase or decrease in the normal line voltage within the range of 5% to -10%.
How many squares titles (20cm x 20cm) are needed to coat the sides and base of a pool which is 10m long, 6 meter wide and 3m deep?
centimetersAnswer:
45 square tiles
Explanation:
First, you find the volume of the pool in meters and then convert it to centimeters. From there, you find the area of one tile. The last step is to divide the volume of the pool (in centimeters) by the area for one tile.
Answer: 45 square tiles
Explanation:
This acronym is a reminder of the most common types of hazards or injuries caused by electricity.
Answer:
BE SAFE
Explanation:
it stands for Burns, Electrocution, Shock, Arch Flash/Arc Blast, Fire, Explosions
Describe the limitations of the assembly model in representing the physical automaton.
Answer:
They are expensive, time-consuming to make, the needing to be rebuilt if destroyed, and sometimes it is impossible to build a large enough model
Explanation:
They are costly, labor-intensive to manufacture, must be rebuilt if they are destroyed, and occasionally it is impossible to construct a large enough model.
What is automaton?An automaton is a relatively self-operating machine or control system designed to perform a series of tasks automatically or respond to preset commands.
The bell strikers in mechanical clocks are an example of an automaton that, to the uneducated eye, appears to be propelled by its own volition.
The expression has a long history of use to describe automata that move like real, breathing people or animals and are created to entertain or impress people.
Therefore, they are expensive to produce, labor-intensive to rebuild if they are destroyed, and occasionally impossible to build a large enough model.
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Which option identifies the type of engineering career focus needed in the following scenario?
Gail has been a civil engineer for over 10 years. She would like to narrow her focus to a more targeted engineering field; for example, she is very interested in designing bridges. The work she desires would place careful consideration on the load and weight that a structure can support while it resists weather elements and vehicles.
materials engineer
structural engineer
mechanical engineer
chemical engineer
Answer:
Structural engineer
Explanation:
Mechanical engineer would be perfect but it's mentioned that she desires structural research that resists weather elements and vehicles .So it's about the engineering of structure creation.Hence option B is correct
Select four geometric shapes that are commonly used by engineers in their designs.
arch
vertex
sphere
line
cone
prism
Answer:
Arc ,sphere ,line ,prism
Explanation:
Arc is used for semicircular or short term projectsSphere is used for design of spherical surfaces or projectsPrism is used for creating buliding designsLines are especially used for creating roads, flyover designAnswer:
Sphere, Prism, Arch, Line
Explanation:
Which of the following uses pressure and flow to transmit power from one location to another
Answer: Liquid and gas
Explanation: flowing under pressure to transmit power from one location to another
A good general rule about hearing protection is that it should be used if you must raise your voice for someone to hear you when they are
2-3 feet (61-91 cm) away
3-4 feet (91-122 cm) away
5-6 feet (1.5-1.8 m) away
8-9 feet (2,4-2,7 m) away
Answer:
2 - 3 feet (61 - 91 cm) away
Explanation:
Why am I unable to report bots? (The people who input a wrong answer that takes you to some website)
Answer:
Because the system automatically deletes their answer, but you still see it for a while.
Explanation:
The third engineering principle seeks to minimize the use and depletion of natural resources.
True of False?
Answer:
True
Explanation:
Select three ways an engineer can create a view of a design.
sketching projection
isometric projection
orthographic projection
third-angle projection
leader projection
extension projection
Sketching projection
Sketching will give the brief planning of the engineering work to be done so it's importantIsometric projection
Yes doing a work in 3D factor out the mistakes which can be optimisedThird angle projection:-
Viewing angles matter a lotSo it will help the engineer to make it perfect from all anglesName and describe at least four geometric shapes that will be included in the design in the following scenario.
Situation: Peter is designing a new hybrid car that functions on solar power. He is currently working on sketches of his design using geometric patterns and shapes.
Sphere:-
Car include tires and mechanical screws etc which are spheres so sphere is a best shape .Lines:-
Lines cab be used the bordering and the outer structure of car also for solar panelsPrism
Prism can be used to design the total shape of the car which is about a cuboidArch can be used also
A series of concrete pillars have been built on the border between Kuwait and Iraq. They are there to __________ the border.
A series of concrete pillars have been built on the border between Kuwait and Iraq. They are there to demarcate the border.
What is a border?A border is a geographical boundary that separate countries, states, provinces, counties, cities, and towns.
A series of concrete pillars have been built on the border between Kuwait and Iraq. They are there to demarcate the border.
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Select three types of lines that engineers use to help represent the shape of a design in a sketch.
object lines
leader lines
center lines
extension lines
dimension lines
hidden lines
Answer:
object, hidden, and center lines
Explanation:
Among the given alternatives, we prefer to dimension to visible lines.
When creating technical drawings, dimensions are typically placed on visible lines. Visible lines represent the visible edges or outlines of an object or part. These lines are used to depict the physical features of the object that are visible to the eye. By dimensioning to visible lines, we ensure that the measurements are accurately associated with the visible features of the object.
This helps to provide clear and unambiguous information about the size and location of the features being dimensioned. Dimensions on hidden lines or center lines may not accurately represent the physical dimensions of the visible features and can lead to confusion or misinterpretation. Therefore, visible lines are the preferred choice for dimensioning in technical drawings.
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Which of the following structures is most likely to have a formal risk management plan?
residential well
townhome
football stadium
municipal park
Answer:
football stadium because huge numbers of people will gather here to watch matches
Find the initial speed of a cannonball making 45 degrees above the horizontal required to hit a target which is 22 m away, and type your response as an answer with its proper unit. The cannon is on ground level.
Which design principle element of architecture makes use of the golden ratio? A. pattern B. unity C. value D. proportion and scale
Answer:
D. Proportion and scale
Explanation:
How many board feet (bf.) in a 2" x 4", 12' long? *
Answer:
8.24
Explanation:
that's my answer bhe
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If only one side of the fuse lights the test lamp, then the fuse is:
Select one:
O a. Blown
O b. Good
O c. About to fail
O d. A special type of fuse
Answer:
blown
Explanation:
a light bulb is not working, so one side of a room will look brighter because the fuse has blown.
Which type of line is represented by thin, short dashes?
center lines
engineering lines
hidden lines
object lines
hidden lines
These are dotted linesThese are used to describe hidden spaces .Like if a cube is drawn then we can't see the diagonal inside from corner to corners so we represent it as dashed linesAnswer:
hidden lines
Thick line for outlines.
Thin line for dimension lines, projection lines construction lines, hatching lines.
Thin short dashes for hidden detail.
Thin long chain for centre lines, pitch circles, path lines for indicating movement.
Thick long chain for cutting planes and viewing planes.
Ruled line and short zig-zags for long break lines.
Thick wavy line for short break lines and irregular boundary lines.