A tabletop in the shape of a trapezoid has an area of 8,340 square centimeters. Its longer base measures 135 centimeters, and the shorter base is 105 centimeters. What is the height?

Answers

Answer 1

The height of the trapezoid-shaped tabletop is 69.5 centimeters. The area of a trapezoid can be calculated using the formula.



Area = (1/2) * (Base1 + Base2) * Height

In your problem, you've provided the area as 8,340 square centimeters, the longer base (Base1) as 135 centimeters, and the shorter base (Base2) as 105 centimeters. We can use this information to solve for the height (h).

8,340 = (1/2) * (135 + 105) * Height

First, we'll add the two bases together:

8,340 = (1/2) * (240) * Height

Next, we'll multiply 240 by 1/2:

8,340 = 120 * Height

Now, to find the height, we'll divide both sides by 120:

Height = 8,340 / 120

Height = 69.5 centimeters

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Related Questions

What is the causes by the action of hot material rising and cool material sinking?​

Answers

Answer:

Hot material rises to the top of the mantle and then cools and sinks. This rising and sinking happens in a circular motion. When the mantle flows it moves the plates. ... Both plates are moving in opposite directions.

A volcanic arc results from __________ tectonic movements and is associated with a __________.Group of answer choicesdivergent; hot spotconvergent; subduction zonedivergent; mid ocean ridgeconvergent; mid ocean ridge

Answers

It should be noted that a volcanic arc results from ridgeconvergent while tectonic movements and is associated with mid ocean ridge.

What is a volcanic arc ?

A volcanic arc can be regarded as a chain of volcanoes, which some miles long and it is usually formed above a subduction zone.

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12. Janelle is using a globe to model the seasons. If the northern hemisphere is
tilted TOWARDS the Sun, what season is occurring in Texas?
A. Summer
B. Fall
C. Winter
D. Spring

Answers

Spring is occurring in Texas

Marine Geography (?)
How did Robert Ballard's discovery of the Titanic contribute to marine science?

Answers

The contribution that the discovery that Robert Ballad made on the titanic had on science was that it helped to discover the  hydrothermal vents on the seafloor.

What was the titanic?

This was the luxury ship that was created that met its end with a lot of passengers after it encountered serious turbulence at sea.

Robert Ballad is known as the person that was able to discover the wreck of the ship in the year 1985.

This helped in the shaping of marine technology especially in the development of new areas in marine science and technology.

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Resource and development class 10- reseaech base questions

Answers

Resource and development is an important subject for students in class 10, as it deals with the utilization and conservation of natural resources. Research-based questions in this subject can help students to develop critical thinking skills and improve their understanding of the subject.

Here are some research-based questions that students can explore:
1. What are the major natural resources in your region, and how are they utilized?
2. How has the use of technology impacted the utilization of natural resources?
3. What are the different methods of conservation of natural resources, and how effective are they?
4. What are the economic and environmental impacts of exploiting natural resources, and how can they be mitigated?
5. How can sustainable development be achieved, and what role do individuals and governments play in this process?
To answer these questions, students can conduct research using various sources, such as books, articles, and online resources. They can also gather data through surveys, interviews, and field trips.

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Explain how different plate interactions produce different features at those boundaries.

Answers

Answer:

Plate interactions

Explanation:

When two plates collide and one goes under the other, trenches are formed like the trenches in the Pacific Ocean.  These can also form volcanoes due to the melting of the plate as is goes under the other.

When two plates collide  and neither give way to the other, mountains are formed like the Himalayas.

When two plates are pulling away from each other, they form ridges because of the molten magma that is dragged up with the plates.  One ridge is found in the Atlantic Ocean.

What part of a reflecting telescope would you measure to
find the aperture?

Answers

Answer:

I would measure the scope to see how long, wide it is

Explanation:

Hope This Helps If It Wrong Please Tell Me

A part of a reflecting telescope would you measure to find the aperture is the mirror.

What is a telescope?

Scientists can observe celestial stars using a telescope. When collecting light, refracting telescopes use lenses, while reflecting telescopes utilize reflectors in order to observe an object.

The aperture in refractors refers to the thickness of the lens at the top of the tube. The diameter of the bottom tube's mirror, where light is collected, is used to measure reflectors.

White light is made up of a spectrum of colors, according to Isaac Newton, who developed his reflecting telescope as evidence for this theory in order to see far way objects.

The mirror size of a reflecting telescope is used to calculate the aperture. When selecting a telescope, the aperture—or the width of its primary mirror or lens—should be your primary consideration.

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classmate
Date
Page
cause
G
Inclustrialization and urbanization
environmental imbake
imbake. Justify according to class 7​

Answers

Answer:

Industrialization and urbanization has a great impact on our environment.

Explanation:

Industrialization and urbanization has a negative impact on our environment. Due to industrialization, increase occur in the atmospheric carbondioxide because of the burning of fossil fuel that release huge amount of carbondioxide gas. Carbondioxide gas is a greenhouse gas which traps reflected solar radiation causing increase in the surface temperature of the earth that leads to global warming. Urbanization also occurs due to industrialization which also leads to more pollution and affect the environment.

What did wallace and darwin learn from animals such as finches and butterflies found in the
Galapagos?

Answers

According to Darwin, different species of finch have different beak shapes. He proposed that an ancestor species' beak had evolved over time to enable finches to use a variety of different food sources. Four species of ground finches are depicted here with their respective beak shapes.

What did Darwin learn from Wallace?

Darwin was conducting related research, and Wallace was aware of this. He wrote Darwin in 1858 with a letter outlining his views on evolution. Together, they wrote a scientific paper outlining their arguments for evolution and natural selection.

Darwin came to the conclusion that several finch birds of a single species had likely been blown by a storm or otherwise separated each of the islands from the mainland or from one island. To their brand-new habitats and food sources, the finches had to adjust. Different species emerged from them over time.

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what are land use model?​

Answers

Land use models deal with describing activities of land consuming actors and their competition for land in an urban setting.

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Locate the image near the top of the article entitled More and More Wrong Dates. You do not have to read the article, but notice where the author has drawn attention to the Cardenas Basalt layer and the basaltic lava flows of the Uinkerat Plateau with red arrows. This image depicts a cross section of the Grand Canyon. Many conventional scientists rely on radiometric dating as evidence that the rocks on Earth are millions of years old. Some Young-Earth Creation scientists did a test on the radiometric dates for the Cardenas Basalts positioned way down deep in the Grand Canyon and the basaltic lava flows on top. The creationists were convinced that the tests conventional scientists use are flawed. As it turned out, one of the tests incorrectly determined that the basaltic lava flows on top were older in age than the Cardenas basalts on the bottom! If these dates were accurate, which relative dating law would be broken in this situation?

Answers

The relative dating law that would be broken in this situation is the Law of Superposition, which states that in a sequence of undisturbed layers of rock, the oldest layers will be at the bottom and the youngest layers will be at the top.

What is the Law of Superposition?

The law of superposition is a major stratigraphic principle that states that within a sequence of sedimentary rock layers, the oldest layer is at the bottom and the layers are progressively younger with ascending order in the sequence.

In this case, if the basaltic lava flows on top were determined to be older in age than the Cardenas basalts on the bottom, it would mean that the Law of Superposition is not being upheld. This would suggest that the radiometric dating tests used by conventional scientists are flawed and not accurate.

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The complete question is:

Locate the image near the top of the article entitled More and More Wrong Dates. You do not have to read the article, but notice where the author has drawn attention to the Cardenas Basalt layer and the basaltic lava flows of the Uinkerat Plateau with red arrows. This image depicts a cross section of the Grand Canyon. Many conventional scientists rely on radiometric dating as evidence that the rocks on Earth are millions of years old. Some Young-Earth Creation scientists did a test on the radiometric dates for the Cardenas Basalts positioned way down deep in the Grand Canyon and the basaltic lava flows on top. The creationists were convinced that the tests conventional scientists use are flawed. As it turned out, one of the tests incorrectly determined that the basaltic lava flows on top were older in age than the Cardenas basalts on the bottom! If these dates were accurate, which relative dating law would be broken in this situation?

Locate the image near the top of the article entitled More and More Wrong Dates. You do not have to read

Which of the following is an effect of mountain ranges on precipitation?
A.
Mountain ranges can block precipitation on the leeward sides.
d
B.
Mountain ranges can block precipitation on the windward sides.
C.
The effects of mountain ranges on precipitation vary at different latitudes.
D.
The effects of mountain ranges on precipitation vary at different longitudes.

Answers

Answer:

i think the answer is c the effect of mountain ranges on precipitation

______ of hominoid history was spent on the african savanna plains as hunter-gatherers.

Answers

Over 99% of hominoid history was spent on the African savanna plains as hunter-gatherers.

The first hominoids evolved in Africa around 6 million years ago. These early hominoids were small, tree-dwelling creatures. Over time, some hominoids evolved to live on the ground.

These ground-dwelling hominoids were able to walk upright, which gave them an advantage over other animals. They were also able to use tools, which helped them to survive in the savanna.

Hominoids continued to evolve in Africa. Around 2.5 million years ago, the first humans evolved. Humans are a type of hominoid that is characterized by its large brain, bipedalism, and tool use. Humans spread out of Africa and eventually populated the entire world.

However, even after humans spread out of Africa, they continued to live as hunter-gatherers for thousands of years. It wasn't until the development of agriculture around 10,000 years ago that humans began to live in settled communities.

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impacts of climate change on the physical and human environment​

Answers

Answer:

subject?

Explanation:

Ongoing effects include rising sea levels due to thermal expansion and melting of glaciers and ice sheets, and warming of the ocean surface, leading to increased temperature stratification. Other possible effects include large-scale changes in ocean circulation.

What are some Examples of Scarcity?

Answers

Answer:

EIN lookup my way back home now and tomorrow morning you want me to the list

Answer:

Examples of scarcity

Land – a shortage of fertile land for populations to grow food. ...Water scarcity – Global warming and changing weather, has caused some parts of the world to become drier and rivers to dry up. ...Labour shortages. ...Health care shortages. ...Seasonal shortages. ...Fixed supply of roads.

Please i need help with this :( i give brainliest ​

Please i need help with this :( i give brainliest

Answers

Answer:

Explanation:

One natural factor that may effect a tropical rainforest is thunderstorm, leading to a forest fire, destroying everything in the forest.

One human factor that may effect tropical rainforest is wood chopping, since it may reduce the number of rare trees, and the species living on them, be it animals, moss, lichen, or other living organisms could lose their home, leading to suffering and perhaps death

Which of these descriptions best describes el nino

Answers

Answer:

what descriptions?

Answer:

There are no descriptions.

Explanation:

“Surely this is incorrect!” thinks Aiden. “In each part of the world, different ways of life exist. I
am sure their geography affects their social life!” Justify the statement with suitable reasons.

Answers

Aiden's thought is absolutely correct. Geography plays a significant part in forming the way of life of individuals in a specific region.

Different districts have distinctive physical highlights, such as mountains, streams, deserts, and coastlines, which essentially affect the way individuals live. For occasion, individuals living in coastal regions may have a more seafood-based slim down and depend on angling as a implies of job, whereas those living in hilly locales may be included in exercises such as horticulture and creature cultivation.

Additionally, geography affect the social life of individuals. In areas with challenging territories, communities may get to work together to construct infrastructure and survive normal calamities, driving more grounded social bonds. In differentiation, regions with flat territories may have more scattered populaces, driving to a more individualistic way of life.

Moreover, climate and climate designs in numerous locales affect the way individuals live and associated with one another. For case, districts with unforgiving winters may have special social conventions, such as winter celebrations and exercises like ice angling and skiing.

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6. Farmers sometimes use the slash and burn method on their fields in order to stimulate new plant growth What is this an example of

A.Human adaptation to the environment

B.Human modification of the environment

C.Human formation of the environment

D.Human construction of the environment

Answers

Answer:

Human modification of the environment

HELP. ASAP!

How has the increased burning of fossil fuels lead to pollution in East Asia? Describe examples of cleaner sources of power some countries are using

Answers

It has led to release of dangerous gases into the atmosphere leading to greenhouse effect and global warming

Cleaner sources of power : solar energy, wind energy

A comparison of a map that shows the physical features of the Earth with a map
that shows population density would most likely lead to the conclusion that

Answers

Answer

It rains alot

Explanation:

Which statements accurately describe the impact of social media in the modern world?
Choose all answers that are correct.
O The fastest growing group of users is people 55 and older.
o One area not affected by social media is politics in developing countries.
The country with the most social media users is China.
Social media is taking up more and more of people's time.

Answers

Answer:

It would be social media is taking up more and more of peoples lives

Explanation:

In terms of earthquakes, what are magnitude and intensity? By what scale is each measured?

Answers

Answer:

Earthquake’s magnitude is determined by the use of seismograph, an instrument which continuously records, ground vibration. It is measured on the Richter scale.       The intensity or destructive power of an earthquake is an evaluation of the severity of ground motion at a given location. It is measured in relation to the effects of the earthquake on human life. Generally destruction is described in terms of damage caused to buildings, dams, bridges and other structures.

The first tool to access the deep ocean could do all of the following EXCEPT
A. record acidity.
B. retrieve sea life. C. measure salinity
D. record temperature

Answers

Answer:

A. record acidity.

Explanation:

The first tool to access the deep ocean could retrieve sea life, measure salinity, and record temperature. However, it would not be capable of recording acidity. So the correct answer would be:

A. record acidity.

Answer:

B. Retrieve sea life

Explanation:

Here are the reasons:

The first tool to access the deep ocean, such as early submersibles or remotely operated vehicles (ROVs), could perform tasks like recording acidity, measuring salinity, and recording temperature. However, retrieving sea life would not have been a capability of the early deep-sea exploration tools. The primary focus of these tools was to gather data and explore the physical properties of the deep ocean rather than collect marine organisms.

In which of the following reservoirs does water have the longest residence time? a. atmosphere, b. groundwater, c. glaciers, d. oceans.

Answers

Out of the given four options, the residence of time of water is highest in Glaciers or Ice Caps. It has been found that water could be stored in glaciers for as long as 400,000 years.

Different hydrologic fluxes, such as evaporation, condensation, river flow, precipitation, and anthropogenic diversion, transport water from one reservoir to another. Reservoirs with different residence times include lakes, aquifers, rivers, ice caps, the atmosphere, and oceans. The residency time specifies the amount of time that water remains in a reservoir before flowing out. While soil moisture lasts a few months, water in the atmosphere only lingers for an average of 15 days. Groundwater can stay in a reservoir for 100–10,000 years, while lakes refill their water every 50–100 years. The longest residency lengths are found in ice caps, with ice core data from Vostok, Antarctica showing residence times of up to 400,000 years.

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In predation, the animal that is hunted and eaten is the
host
competitor
prey
parasite

Answers

Answer:

Answer: (Prey) A prey is any organism that is hunted by another organism or consumed! glad to help! ☺️

Where is America? West, South, East or North?

Answers

Answer:

America is located in North America and it is almost completely in the western hemisphere.

Answer: The answer is West. Whenever you here someone saying the west is a great country or something like that they mean The United States of America.

Explanation: Please give Brainlist.

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(Expert Answered)

The sum total of the beliefs and behaviors that a group of people share can
be called an
O A. acculturation
B. geographic region
O C. counterculture
O D. culture

Answers

Answer:

D.Culture

Explanation:

Culture is the sum of total of the learned behavior of a group of people that are generally considered to be the tradition of that people and are transmitted from generation to generation.

What is the weathering of the earth's surface known as? question 21 options: implosion corrosion erosion evaporation

Answers

Answer:

erosion

Explanation:

erosion because erosion is what happens when natural occurrences weather earth land

what 2 types of water treatment have in common?
what challenge do they face?

what 2 types of water treatment have in common?what challenge do they face?

Answers

Answer:

cleanse the water of any microorganisms present in the water. With chlorine or chlorine dioxide, although chlorine can affect human health.

We can use other methods such as ozone treatment and ultraviolet radiation.

Other Questions
5. Lee de nuevo el texto y completa el siguiente esquema, que muestra las distintas relaciones entre las ideas del texto: Problema: hambruna Una solucin (encontrada hace aproximadamente 100 aos): Por lo tanto, otra solucin es: que gener un nuevo problema:Me pueden ayudar por favor What does the context of this passage suggest is the most likely meaning of the underlined word layouts?One story to illustrate this comes from history, when Thomas Jefferson was designing the University of Virginia, and the architects were designing the layouts of the walkways. Jeffersons solution was to plant grass and wait to see where the grass was most worn down so that they would build the walkways where people naturally wanted to walk.Answer Choices A. the way things are arranged B. the tools needed to build C. the materials for building D. the parts of the plan Governments in Australia and around the world are considering implementing a minimum price (aka price floor) on alcohol. Your task is to use the Economic way of thinking learnt in class to formally explain the effect of the minimum price. You will need to consider the external effects (negative externalities) of alcohol consumption, the price elasticity of demand, and taxation (an alternative way of reducing alcohol production/consumption). To simplify analysis, please assume that alcohol is a single homogenous good. That is, do not differentiate between different types of alcohol and packaging (wine, beer, casked wine, spirits etc.).Questions:Using demand and supply for alcohol, explain why the market outcome may not be efficient. [Think about externalities. What are some of the external costs imposed on society from excessive alcohol consumption?]Explain how a well enforced price floor could affect the market for alcohol and how consumption could adjust to an efficient level. [You can assume that firms understand market demand and will only produce the amount demanded at the price floor.]Now suppose that instead of using the price floor to restrict consumption, the government decides to impose a tax on alcohol ($x on each unit of alcohol sold).a. Can such a tax achieve an efficient level of consumption? Explain.b. In light of your answer to part a, if you were advising the government, would you recommend implementing a price floor or tax to achieve the efficient level of consumption? [Hint: think about tax revenue.]Is the demand for alcohol elastic or inelastic? Explain. How are your answers to Question 2 and 3 affected by the price elasticity of demand?Suppose that changing climate increases the price of hops (an input in the production of alcohol). How will this affect the market for alcohol? 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His blood work indicates the following: Total cholesterol (290 mg/dL, high), LDL-cholesterol (210 mg/dL, very high), HDL-cholesterol (29 mg/dL, low), and Triglycerides (315 mg/dL, high). Before starting any drug treatments, the physician recommended Joel should visit a registered dietitian to learn how to start making dietary changes to help lower his blood lipids.2.3. What percentage of his daily calories (DRI) should be accounted for Omega-3 fatty acids (linolenic acid)? (1 pt) What is the main food source of Omega-3 fatty acids? (1 pt) How much (1 pt) and how often (1 pt) does Joel need to consume this main food source according to the American Heart Association? (4 pts total)2.4. Which easily understandable dietary modifications would you discuss with Joel to specifically reduce his fat intake? List at least 3 recommendations (1 pt each, 3 pts) 3 The half-lives for the radioactive decay of various elements are listed below. 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Dr Jekyll and Mr Hyde Find the y-intercept and the slope of the line.y=-3/2x-5/4What is the slope: Given the equation 3x+4y=20, is the point (4,2) a solution to the equation? Explain andshow you work. In photosynthesis, the first step in capturing light energy occurs when [tex]x-9=-18[/tex]---