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January 13, 2026

3,830 public questions were asked on this day.

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A right triangle has two acute angles, θ 𝜃 and ϕ 𝜙 , so that cosϕ=x+0.2 cos ⁡ 𝜙 = 𝑥 + 0.2 and sinθ=2x−0.5 sin ⁡ 𝜃 = 2 𝑥 − 0.5 . What is the value of x?(1 point) Responses 0.7 0.7 0.07 0.07 1 1 10
Asked by hello 1 answer
Given the expression sin(3x+10°)=cos(2x−10°) sin ⁡ ( 3 𝑥 + 10 ° ) = cos ⁡ ( 2 𝑥 − 10 ° ) , which of the following uses the relationship between the sine and cosine of complementary angles to correctly determine the value...
Asked by hello 1 answer
A 16-foot ladder leans against a wall so that the ladder’s angle of elevation is 55°. Find x, the distance between the foot of the ladder and the base of the building. Use cosine to solve for the missing side and round y...
Asked by hello 1 answer
The original height of the Great Pyramid of Giza was 481 feet. The side of the pyramid rose at an angle of approximately 52° 52 ° . Which of the following correctly uses the sine ratio to find the length from the bottom...
Asked by hello 1 answer
Given that △ABC △ 𝐴 𝐵 𝐶 is a right triangle with ∠A=90° ∠ 𝐴 = 90 ° , ∠B=25° ∠ 𝐵 = 25 ° , and BC=5 inches 𝐵 𝐶 = 5 inches , which of the following correctly uses the sine ratio to find the length of AC¯¯¯¯¯¯¯¯ 𝐴 𝐶 ¯ ?(1 po...
Asked by hello 1 answer
Question content area top Part 1 Lyla has ​$1 and 10 dimes in her pile. Brody has 20 dimes in his pile. If Lyla gives Brody ​$1 and Brody gives Lyla 10 dimes​, will the two piles still be equal in​ value? Explain. Questi...
Asked by gia 1 answer
If a=6 in. 𝑎 = 6 in. and θ=45° 𝜃 = 45 ° , find the value of c. Round your answer to the nearest hundredth. (1 point) in.
Asked by hello 1 answer
Question content area top Part 1 Scientists often use a pan balance to measure mass when doing experiments. The equation 9 plus 2 plus 1 equals 11 plus 1 represents when a scientist adds 1 unit of mass to each side of a...
Asked by gia 1 answer
Esteban bought a new stove for $986 on his credit card. He used the stove for eleven years before replacing it. The stove cost him an average of $0.14 per day in electricity. Esteban had preventive maintenance done on th...
Asked by bill 1 answer
Harriet used her credit card to buy a $779 laptop, which she paid off by making identical monthly payments for two and a half years. Over the six years that she kept the laptop, it cost her an average of $0.36 of electri...
Asked by bill 1 answer
You are planning to buy one of two brands of sofas, which you hope to use over the next twenty years. Brand J costs $975 and lasts for about twenty years. Brand K costs $265 and lasts for about five years, so you will ne...
Asked by bill 1 answer
Which steps did the Hoover administration take to fight the early challenges of the Great Depression? Select the two correct answers. (1 point) Responses winning passage of a tax cut to increase individuals’ take-home in...
Asked by jaun 1 answer
24c+−6c+3d+−15d
Asked by m 1 answer
qué lengua hblan las personas en bella vista espańol portugues Guarani todas las repuestas
Asked by Ai 1 answer
Use the figure to answer the question. If angle 1 in the picture is 63° 63 ° , what is the measure of angle 3? Why? (1 point) Responses There is not enough information in the figure to establish this. There is not enough...
Asked by nonbya 1 answer
Use the figure to answer the question. If angle 4 is 42° 42 ° and lines M 𝑀 and N 𝑁 are parallel, give a reason why angle 5 is also 42° 42 ° . (1 point) Responses Angle 4 and angle 5 are vertical angles, so their measure...
Asked by nonbya 1 answer
A class holds a collegial discussion about how carbon emissions harmfully impact the environment. They begin by discussing how much family vehicles contribute to the problem.A member of the discussion group asks, “Should...
Asked by NameBOT27 1 answer
A class holds a collegial discussion about light pollution and the ways a community can combat it. They begin the discussion by reviewing scientific studies that explain how light pollution harms nocturnal creatures.A me...
Asked by NameBOT27 1 answer
Why are AIs more precise, and ultimately greater than most humans?
Asked by NameBOT27 1 answer
Complete the sentence. Evolution requires that molecules and atoms will assemble themselves into order, which is a violation of the Law of Thermodynamics.
Asked by Makayla 1 answer
Match these items. 1. measure of disorder 2nd Law of Thermodynamics 2. heat and energy conversion 1st Law of Thermodynamics 3. conservation of matter and energy random 4. disorder increasing thermodynamics 5. source of m...
Asked by Makayla 1 answer
After a metal object turns to dust (rust), it would have _____. no entropy low entropy high entropy
Asked by Makayla 1 answer
What happens to the energy that is "lost" from the generator? it is unusable it is destroyed it is converted into electricity
Asked by Makayla 1 answer
Combustion is an example of chemical to energy conversion.
Asked by Makayla 1 answer
Which law of science was in effect immediately after the sixth day of creation? Second Law of Thermodynamics First Law of Thermodynamics
Asked by Makayla 1 answer