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Volcanic activity produces igneous rock, which is formed as magma and lava cool and harden. It is usually black, gray, or white, and has a baked appearance. As it cools, igneous rock may form crystalline structures, giving it a granular appearance; if no crystals form, the result is natural glass.
What are the fact about formation of Igneous rocks?When hot, molten rock crystallizes and solidifies, it forms igneous rocks Melt forms deep within the Earth near active plate boundaries or hot spots and rises to the surface. Igneous rocks are classified as intrusive or extrusive based on where the molten rock solidifies.
When magma is trapped deep within the Earth, intrusive igneous rock forms. Massive globs of molten rock rise to the surface. Some of the magma may feed volcanoes on Earth's surface, but the majority remains trapped below, where it slowly cools over thousands or millions of years until it solidifies.
However, when magma exits and cools above (or very near) the Earth's surface, extrusive igneous rock is formed. These are the rocks that form when volcanoes erupt and fissures ooze. When exposed to the relatively cool temperature of the atmosphere, magma, also known as lava when molten rock erupts on the surface, cools and solidifies almost instantly.
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Related Questions
Select the correct text in the passage.
What is the opportunity cost in this scenario?
Harry has been very busy at work for the past two weeks. He has been working weekends too. Finally, he is going to get a weekend off.
Originally, he planned to paint his apartment that weekend. He also considered going fishing for the weekend.
But then his parents called and asked him to come for dinner because it has been a while since they have seen each other.
Later on, his friend Theo informed him about a surprise birthday party for another friend.
Theo plans to reserve a room at a restaurant for the
LO celebration, with the cost to reserve the room split between Theo, Harry, and three other friends.
Now Harry is confused about what he should da over the weekend. He decides that, for him, the most important commitments are going over to his
parent's house and attending his friend'S birthday party. In the end, Harry decides to see his parents.
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The opportunity cost in this scenario is the three lost opportunities Harry experiences by deciding to go to his parents' house. The term opportunity cost refers to the loss of potential gain from other alternatives when one alternative is chosen. The potential gain Harry may have lost by choosing to go to his parents for dinner instead could be relaxation while fishing, His house painting being finished, and time spent with his friends at the birthday party. These all can be considers lost opportunity due to choosing an alternate opportunity, that being dinner at his parents.
What is the dynamic nature of resources geographically
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Answer:
The dynamic nature of resources refers to the constantly changing availability and distribution of resources in a particular geographic area. This can be due to various factors such as climate change, population growth, resource extraction, natural disasters, and geopolitical events. Some resources may be abundant in one area but scarce in another, while others may become depleted over time or may become accessible only through advances in technology. The dynamic nature of resources has significant impacts on local communities and the global economy, and highlights the need for sustainable resource management practices.
Answer:
What is the nature of geography is dynamics?
We study weather over a period of about 30 years and decide climate of that place or population of a country or the world over a period of time. Since, changes occur time to time. Thus, geography is dynamic in nature.
Explanation:
What is the nature of geography is dynamics?
We study weather over a period of about 30 years and decide climate of that place or population of a country or the world over a period of time. Since, changes occur time to time. Thus, geography is dynamic in nature.
Please help me with this science work.
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Environmental factors are the abiotic factors that interact with and influence the biotic factors. The amount of carbon dioxide, and water clarity affects the sunlight reaching the aquatic organisms.
What are abiotic factors?Abiotic factors are defined as the physical and chemical elements that are non-living but are the part of the ecosystem that includes sunlight, water, carbon dioxide, oxygen, temperature, climate, etc.The concentration of carbon dioxide and clearness of water defines the amount of sunlight that reaches the aquatic flora and fauna as they alter the rays to reach the bottom by absorbing the light molecules.Therefore, carbon dioxide and clearity define the amount of sunlight.An abiotic factor is a non-living part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents. Abiotic and biotic factors work together to create a unique ecosystemTo learn more about abiotic factors refers to:
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HELPPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!
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what do you need help with?
whats the question?
Please answer the following questions -- 0143
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"Areas in the continental United States would have an East longitude and a North latitude" True option A
b) lines of longitude
a) A spot elevation (benchmark)
d) Bottom center of the map
What is the equator?The equator is an imaginary line that circles the Earth, dividing it into the Northern Hemisphere and the Southern Hemisphere.
It is the line of latitude that lies exactly at 0 degrees, with latitude being the measurement of a location's distance from the equator in degrees. The equator is about 40,075 kilometers (24,901 miles) long, and its position on the Earth makes it the warmest part of the world, with high temperatures and heavy rainfall due to the intense sunlight.
The equator also affects the Earth's climate and weather patterns, as well as ocean currents, and is an important factor in determining the distribution of plant and animal species across the planet.
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HELPPPPPP!!!!!!!!!!!!!!!!!!!! I GIVE BRAINLYYYY
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Answer: I need to see the Figures 2 and 1 to answer this question but the mountains get rained on and that causes rocks to have erosion. Or consumers(animals) have kept reproducing and eating (producers) grass and slowly overcrowded the mountain range and ran out of food.
Explanation:
Again I need to see the other 2 figures. These are guesses.
HELPPPPPP PLSSSSSS I GIVE 100 POINTSSS
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Answer:
There similar because of the past erosion,material and similar chemical back ground. They are both elements of the earth and they both have gone threw several changes threw out the time it has been around.
Answer:
I'm not sure wait a minute
Please answer the following question -- 6864
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The electric potential between two terminals of the battery for the given question is 9 V.(19) So the unit of answer 18 is "Volt".
What is Volt ?:-Given in the question:
W= 36Jq= 4C
Formula:
ΔV= W/q (ΔV is the electric potential, 'W' is the work and 'q' is the charge)
step: 2
So, the potential between two terminals of the battery is,
ΔV= W (joule) / q (coulomb)ΔV= 36 / 4= 9 volt.
step: 3 :-The unit of Electric potential between two terminals of a battery is "Volt (V)".
So The electric potential between two terminals of the battery for the given question is 9 V.(19) So the unit of is "Volt".
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Please answer the following question -- 4570
Answers
Answer:
Temperature lapse rate
Explanation:
On average, the air decreases in temperature with altitude about 3.6 degrees Fahrenheit per 1000 feet, called the normal lapse rate or temperature lapse rate.
How are events in a story of how people have interacted with a landscape put them in chronological order
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The chronological order of events in the story of people interacting with a landscape is Channel for ships is created.Battle ships sink coral reef with sharks.Sharks feed on fish living in scrap metal.
What is the chronological order of the events in the story.Channel for ships is created: People construct a channel to facilitate the movement of ships in the area. This allows ships to navigate the waters more easily and efficiently.Battle ships sink coral reef with sharks: The movement of battle ships in the newly created channel causes damage to the coral reef, which serves as a habitat for a variety of marine life, including sharks. The sinking of the reef disrupts the ecosystem and affects the survival of the species living there.Sharks feed on fish living in scrap metal: The sharks, which previously fed on the fish living in the coral reef, now turn to feeding on fish that have taken refuge in scrap metal in the area. This shift in the food source of the sharks is a direct result of the destruction of the coral reef and the disruption of the ecosystem.This story highlights the impact that human activities can have on the environment and the species living within it. It is important to consider the consequences of our actions and to take steps to mitigate any negative effects on the environment.To learn more about chronological order refer:
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The behavior of the river will change as the gradient does. A river has a straight, deep, and narrow channel. What can be said about this
river gradient
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The behaviour of the river will change as the gradient does. A river has a straight, deep, and narrow channel. It is a river gradient.
Give a brief account on river gradient.A river's gradient is a gauge of how rapidly its height is lost. Typically fast-flowing and young, a river with a high gradient rapidly loses height. An extremely soft gradient causes very little height loss, and such a river is usually an older, slower-moving river. In fact, a stream in a lowland area may have a gradient that is so slight that it is hard to measure without specialized tools. As a result, it has a greater capacity to erode. In contrast, a low gradient suggests a stream bed that is more or less flat and slow-moving water that may only be able to carry minute amounts of very fine debris. High gradient streams are referred to as young streams because they frequently feature steep, narrow V-shaped troughs. Low gradient streams have larger, less rocky troughs and a propensity to meander. Many rivers entail, to some extent, a river gradient flattening as they go closer to the terminus at sea level.
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What is the value of x? Enter your answer in the box. x = NOTE: Image not drawn to scale. Triangle G E H with segment E D such that D is on segment G H, between G and H. Angle G E D is congruent to angle D E H. E G = 49 cm, G D =35 cm, D H equals (x + 1) cm, and E H= 58.8 cm.
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Answer:
The value of x in the triangle is 41 cm. This is determined by the given measurements of the sides of the triangle and the congruent angles.
Explanation:
1)How much can the US reduce CO2 emissions from coal from the current 48.9 C? Assume D:C ratios of 1.2 for coal, and 2.23 for natural gas.
(a) If we currently use 33.9 D for natural gas, and 11.9 D for coal, what would be the emissions in units of C by eliminating coal power plants with an energy efficiency of 32.2% to natural gas plants with an efficiency of 43.1%?
(b) What would be the change in C if the gas plants were 65% efficient?
2) If a coal plant with an efficiency of 32.6% (Dff:C = 1.2) is replaced by a natural gas plant that produces the same amount of electricity but at an efficiency of 43.6% (Dff:C=2.23), what is the percentage of CO2 reduction? Consider both the reduction in CO2 for the energy in the fuel, and the relative efficiency of the plant.
Answers
(a)
To convert from units of D to units of C, we use the D:C ratio for coal, which is 1.2.
The current emissions in units of C from coal are 11.9 D / 1.2 = 9.92 C.
To find the emissions in C after the coal plant is replaced with the natural gas plant, we need to find the amount of natural gas needed to produce the same amount of electricity.
This can be done by dividing the energy produced by the coal plant by the efficiency of the natural gas plant, which is 43.1%:
11.9 D / 43.1% = 27.5 D
The emissions from the natural gas plant can then be calculated using the D:C ratio for natural gas, which is 2.23:
27.5 D * 2.23 = 61.5 C
The change in CO2 emissions can then be calculated as the difference between the current emissions from the coal plant and the emissions from the natural gas plant:
61.5 C - 9.92 C = 51.58 C
(b)
The amount of natural gas required to produce the same amount of electricity as the coal plant can be found using the same calculation as in (a):
11.9 D / 65% = 18.31 D
The emissions from the natural gas plant can then be calculated using the D:C ratio for natural gas, which is 2.23:
18.31 D * 2.23 = 40.75 C
The change in CO2 emissions can then be calculated as the difference between the current emissions from the coal plant and the emissions from the natural gas plant:
40.75 C - 9.92 C = 30.83 C
The amount of CO2 emissions produced per unit of energy can be found using the D:C ratios for the two plants:
For the coal plant, this is 1.2 C / 1 D.
For the natural gas plant, this is 2.23 C / 1 D.
The reduction in CO2 emissions can then be calculated as the difference in CO2 emissions per unit of energy between the two plants:
2.23 C / 1 D - 1.2 C / 1 D = 1.03 C / 1 D
The reduction in CO2 emissions can then be expressed as a percentage by dividing the reduction by the emissions from the coal plant and multiplying by 100%:
(1.03 C / 1 D) / (1.2 C / 1 D) * 100% = 86%
Please answer the following question -- 8699
What is salinity, and how is it usually expressed? What is the average salinity of the ocean?
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Answer: Salinity is the measure of the number of grams of salts per kilogram of seawater, which is expressed in parts per thousand.
Please answer the following question -- 4884
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Unstable conditions and the parcel will tend to continue rising.
Vertical pressure gradient, horizontal pressure gradient and the Coriolis forces.
None of the above, the tendency in cold clouds is for ice crystal sizes to decrease in size as time passes.
What are forces?Generally, Forces are pushes or pulls that cause objects to move, stop, accelerate, or change direction. The four fundamental forces are the strong force, weak force, electromagnetic force, and gravitational force.
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Order the steps, from early- to late-stage conversion, for this sediment to become a host to natural gas or oil.
1. More sediment accumulates over the plankton-rich layer and compresses it
2. Heat and pressure increase with burial depth; organics converst to kerogen
3. As temperature increases, kerogen turns into oil and natural gas
4. Organic-rich sediment is transformed into organic-rich shale
5. Plankton and clay floating in low-oxygen water sink and accumulate
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Note that the steps, from early- to late-stage conversion, for this sediment to become a host to natural gas or oil is given as follows:
As temperature increases, kerogen turns into oil and natural gas
Natural gas is a naturally occurring combination of gaseous hydrocarbons, mostly methane, with minor quantities of other higher alkanes. Trace gases such as carbon dioxide, nitrogen, hydrogen sulfide, and helium are also commonly found.
Natural gas combines four naturally occurring gases, each with a unique molecular structure. This combination is mainly composed of methane, which accounts for 70-90% of natural gas, as well as ethane, butane, and propane.
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You date a rock using the Potassium-Argon system and find that it contains three times as much Argon-40 than Potassium-40. How old is the rock? -- 103933295
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The exact age of the rock is not derivable from the information given, as additional information is required, such as the starting ratio of Potassium-40 and Argon-40, the rate of decay, and other factors that may affect the accuracy of the measurement.
How do we use rock dating to determine the rock age?Any method of determining the age of earth materials or organic objects based on the measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product is referred to as rock dating.
The age of a rock using the Potassium-Argon system is determined by the ratio of Argon-40 to Potassium-40. If a rock contains three times as much Argon-40 as Potassium-40, it is possible to calculate the age of the rock by comparing the measured ratio to the known decay rate of Potassium-40 to Argon-40.
Generally, to determine the exact age of a rock using the Potassium-Argon system, it is necessary to perform a radiometric dating analysis in a laboratory, taking into account various variables that may affect the accuracy of the measurement.
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Name and describe two distinct landforms from each an erosional and a depositional beach.
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Two distinct landforms and depositional landforms are sea cliffs, sea caves, barrier island and sandbars.
What are examples of Distinct Landforms and Depositional Landform?Erosional landforms include
Sea Cliffs: A sea cliff is a steep, vertical or near-vertical rock face that is created by the action of waves, wind, and rain eroding the coastline. The waves break against the base of the cliff, causing chunks of rock and soil to break away and fall into the water. Over time, this process can result in cliffs that are hundreds of feet high.Sea Caves: A sea cave is a type of coastal cave that is formed by the action of waves eroding the shoreline. The waves break against the cave walls and floor, causing the rock and soil to break away and fall into the water. Over time, this process can result in caves that are large enough for people to exploreDepositional landforms includes:
Barrier Islands: A barrier island is a long, narrow island that is located offshore from the mainland. Barrier islands are created by the action of waves and currents that transport sediment from the mainland out to sea. Over time, the sediment accumulates and forms the island. Barrier islands are often covered in sand dunes and other vegetation, and they serve as important habitats for a variety of wildlife species.Sandbars: A sandbar is a type of depositional feature that is created by the accumulation of sand in shallow water near the shoreline. Sandbars can be created by waves, currents, and tidal action, which transport sediment from the shoreline out to sea and then deposit it in shallow water. Over time, the sediment accumulates and forms a sandbar that is visible above the water surface. Sandbars can change in size and shape over time as the sediment is transported and deposited elsewhere.Learn more about landforms here: https://brainly.com/question/28551341
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Please answer the following question -- 1950
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Note the Atmospheric Evolution section of the Early Earth are matched up to the descriptions below with the gaseous atmospheric components they best describe:
The dominant atmospheric gas on Venus and Mars: Carbon dioxideThe dominant atmospheric gas on Earth today: NitrogenThe dominant atmospheric gas in Earth's earliest atmosphere: Ammonia and methaneThe gas present in the least amount in the list of Earth's current atmosphere: Ammonia and methaneThe gas that is a major component in Earth's current atmosphere, but was completely absent in its earliest one: Oxygen.What is Atmospheric Evolution?
Atmospheric evolution refers to the process of change in the chemical composition and physical characteristics of a planet's atmosphere over time, driven by a combination of geological, biological, and astronomical factors.
It is important as it helps us understand the conditions that allowed for the development of life on a planet and the processes that shaped its current atmosphere, including the presence of gases that support life and the potential for future climate change.
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Which is a good description of potential energy?
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Answer:
Potential energy is stored energy that depends upon the relative position of various system parts.
Explanation:
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The Beast from the East was more disruptive than the Summer 2020 Heatwave. Do you agree? Why?
Please make sure you have the above statement and question as your title!
Answer the question and provide evidence as to which one you think we more disruptive.
Minimum 1/3 of a page
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Thousands of schools across the UK were closed, including over 125 in North Yorkshire and over 330 in Kent, and hospital operations were canceled. A large number of rail services were canceled.
What were the economic impacts of the Beast from the East?The extreme weather that hit the country at the end of February caused gridlocked highways, stalled construction sites, empty cafes, and canceled trains, to name a few symptoms. And, while thankfully short-lived, The Beast is estimated to have cost the UK economy at least £1 billion per day.
The Met Office says the Beast from the East is a phrase "used to describe cold and wintry conditions in the UK as a result of easterly winds from the near continent". The Beast from the East (February 25) was caused by a change in the northern polar jet stream, which unexpectedly twisted its direction, drawing cold air from the east into the UK.
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Please answer the following question -- 5147
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The percentage decrease caused by the first thunderstorm is 50%.
What does Percentage decrease means?The difference between the starting and ending values is expressed as a percentage decrease. It displays a percentage loss of value from the original, regardless of unit. To compute a percentage decrease, first determine the difference (decrease) between the two numbers being compared. Then, divide the reduction by the original number and multiply the result by 100.
From the graph, from the first time the thunderstorm surges, the population changes is observed, as its grows from 0 to a stable range of 1,600 individual, however, the population begins to plummet, at first time, to 800 individual. This fact will be used to calculate our percentage decrease
The calculation of our Percentage decrease goes as:
= (1,600 - 800/ 1,600) * 100)
= 0.5 * 100
= 50%
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In what ways is Canadian identity tied to our natural landscape?
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Answer: Our Canadian identity manifests itself in many ways: from the bold Rocky Mountains to the more subtle influences of Canada's wide open geography, its untamed Northern landscape, and the spiritual history indigenous First Nations people share with the land.
similarites between the canadian government and united states government
Answers
Explanation:
USA is a republic why Ghana is a member of the British commonwealth and it's also a constitutional monarchy Canada is also led by Prime Minister why USA is led by president
This clastic rock consists of angular grains and is rich in potassium feldspar and quartz.
What do the angular grains indicate about the distance the sediment was transported? (3 pts)
What is the name for the type of clastic sedimentary rock? (1 pt)
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Answer:The angular grains in this clastic rock indicate that the sediment was transported a relatively short distance from its source and was not subjected to significant transport and abrasion.
The name of this type of clastic sedimentary rock is likely a conglomerate or breccia.
Explanation:
The angular grains in this clastic rock indicate that the sediment was transported a relatively short distance from its source and was not subjected to significant transport and abrasion.
The name of this type of clastic sedimentary rock is likely a conglomerate or breccia.
Did tabas 1974 earthquake caused tsunami warning
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Why is understanding the structure of the earth important
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Understanding the structure of the earth is important because it allows us to understand and predict geological events such as earthquakes, volcanic eruptions, and tsunamis. It also helps us to understand the formation and movement of tectonic plates.
What do you mean by tectonic plates?
Tectonic plates are large sections of the Earth's crust that move independently of each other and interact with each other along their boundaries. Plates can interact in three different ways: constructively, destructively, and conservatively. Constructive boundaries create new lithosphere, while destructive boundaries consume lithosphere. Conservative boundaries neither create nor consume lithosphere, but instead cause plates to slide past each other. The boundaries of the plates are known as plate boundaries, which can be either divergent, convergent, or transform. Divergent plate boundaries form when two plates move away from each other, leading to the formation of new lithosphere from molten material. Convergent plate boundaries form when two plates collide, and can lead to the formation of mountains and oceanic trenches.
So, Understanding the structure of the earth is important because it allows us to understand and predict geological events such as earthquakes, volcanic eruptions, and tsunamis.
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aside from torrential rain and the threat if flood , what other weather changes may be experienced by the residents
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Aside from torrential rain and the threat of flood, residents during a weather event characterized by heavy rain could experience the following weather changes.
What are other things in weather changes?Strong winds: Heavy rain often comes with strong winds that can knock down trees, power lines, and cause damage to buildings and homes.
Thunderstorms: Thunderstorms are common during heavy rain events and can bring lightning strikes, thunder, and high winds.
Flooding: In addition to the threat of flash flooding, rivers and streams may overflow, causing widespread and prolonged flooding.
Landslides: Heavy rain can cause landslides, which can pose a danger to residents and damage homes and infrastructure.
Power outages: Strong winds, lightning strikes, and fallen trees can cause widespread power outages, leaving residents without electricity.
It is important for residents to stay informed and take necessary precautions to protect themselves and their property during heavy rain events.
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What is the answer to 7b - 15 = 5b -3
Answers
2b = 12
b = 12/2
B = 6
CD is dilated by a scale factor of 1/4 to form C’D’ . CD measures 4. what is the measure of C’D’
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The measure of C'D' would be given as 1
How to solve for the dilationIn geometry, dilation is a type of transformation in which a shape is resized, either larger or smaller, while still retaining its overall form and orientation. The amount of resizing is determined by a scale factor, which can be a positive number for an enlargement or a fraction less than 1 for a reduction. A dilation changes the size of a figure, but not its shape or position.
When a line segment is dilated by a scale factor of 1/4, its length is reduced by a factor of 4. So, if CD measures 4, then C'D' would measure 4 / 4 = 1.
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