Price elasticity of demand for radios is 1 and total revenue from radio sales will remain constant.
Price elasticity of demand is calculated as the percentage change in quantity demanded divided by the percentage change in price. Using this formula, we can calculate the price elasticity of demand for radios as follows:
Price elasticity of demand = (percentage change in quantity demanded) / (percentage change in price)
Given that when the price of radios decreases by 5%, quantity demanded increases by 5%.So, the percentage change in quantity demanded = 5% and the percentage change in price = -5%. (Because price has decreased by 5%.)Price elasticity of demand = (5% / -5%) = -1.The negative sign indicates that the demand is elastic. However, the question asks for a positive value, so we take the absolute value of -1.Price elasticity of demand = 1.
Therefore, the price elasticity of demand for radios is 1.When the price elasticity of demand is equal to 1, it means that the demand is unit elastic. This implies that the percentage change in quantity demanded is equal to the percentage change in price. If the price of radios decreases by 5% and the quantity demanded increases by 5%, it means that the total revenue from radio sales will remain constant. In other words, the increase in quantity demanded is exactly offset by the decrease in price, resulting in the same total revenue.
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the surface of the sun appears sharp in visible light because
"The surface of the sun appears sharp in visible light because the photosphere is thin compared to the other layers in the sun."
Most of the electromagnetic energy that reaches the earth begins in the photosphere, the area of the sun that is visible to us. The photosphere is referred to as the sun's surface, despite the fact that it is a gaseous entity.
The gas in the photosphere appears to have a sharp surface, but in reality, it is heavier lower in the Sun and less dense higher up. It is more transparent the less thick it is. The area of the gas that is visible to us is where it has largely become translucent. About 300 km of this layer are deep.
The photosphere is the line separating the core of the Sun from its atmosphere. It is the part of the Sun's surface that is visible to us. The photosphere is not like a planet's surface; even if you could stand in the sun, you couldn't do so on the photosphere.
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as noted in this chapter, plants help to reduce water runoff and soil erosion, both of which affect the health of streams and rivers by impacting water quality. soil erosion increases the silt load in water and this literally smothers living organisms, particularly plants and invertebrate species. runoff water can carry pollutants, particularly pesticides and herbicides from agricultural land. read the description of each landscape and rank them from best stream quality to worst stream quality. 1: streams cutting through small farms with several different crop types and natural vegetation buffers between the fields and the streams. 2: a large floodplain area covered with lowland forests and swamps full of emergent vegetation, with small streams cutting through the area. 3: an urban housing development where the trees growing along the streams were removed and replaced with lawns. 4: a system of large farms with no buffer vegetation between the fields and the streams that cut through the farms. question list (4 items) (drag and drop into the appropriate area) landscape 1 landscape 2 landscape 3 landscape 4 correct answer list best stream quality
Plants help to reduce water runoff and soil erosion, both of which affect the health of streams and rivers by impacting water quality.
Soil erosion increases the silt load in the water, which can smother living organisms, particularly plants and invertebrate species. Runoff water can carry pollutants, particularly pesticides, and herbicides from agricultural land.
Landscape 1 (streams cutting through small farms with a variety of crop types and natural vegetation buffers between the fields and the streams) would be the best quality, followed by Landscape 2 (a large floodplain area covered in lowland forests and swamps full of emergent vegetation, with small streams cutting through the area) and Landscape 3 (an urban housing development where the streams are surrounded by emergent vegetation).
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in one cycle a heat engine absorbs 480 j from a high-temperature reservoir and expels 320 j to a low-temperature reservoir. if the efficiency of this engine is 56% of the efficiency of a carnot engine, what is the ratio of the low temperature to the high temperature in the carnot engine?
The ratio of the low temperature to high temperature of the Carnot engine is 2.38.
What is the efficiency of Carnot engine?The efficiency of the Carnot engine can be defined as the ratio of network done per cycle by the engine to the heat energy absorbed by the engine per cycle by the working substance from the source.
Efficiency = 1 - (Tlow/Thigh)
Heat absorbed by engine = 480J
Heat expelled by engine = 320J
Efficiency of the engine = 56% of efficiency of Carnot engine
The ratio of low temperature to high temperature in the Carnot engine.
Let's assume the efficiency of the Carnot engine is 'ηc' = 1 - T₂/T₁
Where, T₂ = Low temperature and T₁ = High temperature
To calculate the efficiency of the engine given, η = (Q1 - Q2)/Q1
η = (480 - 320)/480
η = 160/480
η = 1/3
η = 33.33%
Now, η = 56% × ηc
0.56ηc = 1/3ηc = (1/3)/0.56 = 0.58
As we already know, ηc = 1 - T₂/T₁
T₂/T₁ = 1 - ηc
T₂/T₁ = 1 - 0.58
T₂/T₁ = 0.42
T₁/T₂ = 1/0.42
T₁/T₂ = 2.38
Therefore, the ratio of low temperature to high temperature in the given Carnot engine with an efficiency of 56% will be about 2.38.
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When Joselyn went to the store she bought 2.7kg of salt water taffy. What would Joselyn do to find out how many grams she bought?A. Divide by 1000B. Multiply by 1000C. Divide by 100D. Multiply by 100
At the shop, Joselyn purchased 2700 grammes of salt water taffy.
To convert kilograms (kg) to grams (g), Joselyn would need to multiply the weight in kilograms by 1000. This is because there are 1000 grams in 1 kilogram. Therefore, to find out how many grams of salt water taffy Joselyn bought, she would need to multiply 2.7kg by 1000.
The correct answer is (B) Multiply by 1000.
Multiplying 2.7kg by 1000 gives:
2.7kg x 1000 = 2700g
So Joselyn bought 2700 grams of salt water taffy at the store.
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what's the correct answer.
The coordinated functions of the Nervous, Endocrine, and Reproductive systems are:
D. CerebrumN. Wernicke's AreaF. Occipital LobeH. HypothalamusJ. ThalamusH. HypothalamusC. CerebellumL. Superior ColliculusA. AmygdalaM. Pineal GlandWhat are coordinated functions?Coordinated functions refer to the integration and communication between different organs, systems, and tissues in the body to achieve a common goal or purpose. In biological terms, coordinated functions often involve multiple physiological systems working together to maintain homeostasis, respond to stimuli, or carry out complex behaviors or processes.
Examples of coordinated functions include the regulation of blood glucose levels by the pancreas and liver, the coordination of movement by the nervous and musculoskeletal systems, and the release of hormones by the endocrine system to control various physiological processes.
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The question is:
"COORDINATED FUNCTIONS OF THE NERVOUS, ENDOCRINE, AND REPRODUCTIVE SYSTEMS"
Directions: Identify the part of the brain that is involved in each situation below. Write only the letter of your answer.
A. Amygdala
B. Brocka's Area
C. Cerebellum
D. Cerebrum
E. Hippocampus
F. Occipital Lobe
G. Hippocampus
H. Hypothalamus
I. Inferior Colliculus.
J. Thalamus
K. Pons
L Superior Colliculus
M. Pineal Gland
N. Wernicke's Area
O. Pituitary Gland
1. "My heart tells me that you are the one. I love you so much!"
2. "IAOCEVOY! I don't know what that means. It's all Greek to me!"
3. "Chartreuse, Olive,Turquoise, and Mint are all shades of green."
4. "Janna always wakes up at 4 in the morning, regardless of whether she uses an alarm clock or not."
5. "I don't remember the way going to Myla's house. Can you accompany me there?"
6. Jenny's mother is about to give birth, she complains about contraction and pain usually when the baby is kicking
7. "Anthony is a very skilled dancer. He just won the school hip hop dance competition last week."
8. "As Nica was walking on the road she readily moved to the side for she heard an incoming ambulance"
9. "Elsa loves making faces whenever she talks to her friends."
10. "Ryan usually talks about how happy his high school days were to his grandchildren."
for a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure.a. 3Pb. P/3c. 3P/Td. 9P
The volume of the gas varies inversely with pressure, and the correct answer is (b) P/3.
According to Boyle's Law, at a constant temperature, the volume of a gas is inversely proportional to its pressure. Mathematically, this can be expressed as:
PV = k
where P is the pressure of the gas, V is its volume, and k is a constant.
If we assume that the mass of the gas remains constant, then k is also constant. So we can write:
[tex]P_1V_1 = k and P_2V_2 = k[/tex]
where[tex]P_1 and V_1[/tex] are the initial pressure and volume, and [tex]P_2 and V_2[/tex] are the final pressure and volume.
If we divide these two equations, we get:
[tex]P_1V_1/P_2V_2 = 1[/tex]
Since[tex]V_1[/tex] is inversely proportional to [tex]P_1[/tex], we can write:
[tex]V_1 = k/P_1[/tex]
Similarly, [tex]V_2 = k/P_2.[/tex]
Substituting these values in the above equation, we get:
[tex](k/P_1)/(k/P_2) = 1[/tex]
Simplifying this, we get:
[tex]P_2/P_1 = V_1/V_2[/tex]
Since we are given that the temperature remains constant, we can assume that k is constant, and therefore:
[tex]V_1/P_1 = V_2/P_2[/tex]
If we let [tex]P_2 = 3P_1[/tex], then we get:
[tex]V_1/P_1 = V_2/(3P_1)[/tex]
Simplifying this, we get:
[tex]V_1/V_2 = 1/3[/tex]
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