• ### An object with the mass of 15kg has 12 kj of kinetic energy. Calculate the velocity.?

Physics · 2 mins ago
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• ### Use the scenario to answer the question.?

A child is playing a game of horseshoes. The child’s hand is at a height of 2.6 feet and he needs to release the horseshoe to a target 8 feet away. What is the angle of depression from the child's hand to the target? Round to the nearest degree. The angle of depression is __________°.
Mathematics · 5 mins ago
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• ### Algebra Help Please. :)?

Annie was going to use the elimination method. She was ready to add the same value to both sides of the equation to eliminate the x-terms when she noticed a problem: Both x-terms are positive! 2x + 7y = 13 2x + 3y = 5 Fgure out something you could do that would allow you to add the value of the second equation to the first equation and eliminate... show more
Mathematics · 6 mins ago
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• ### Change the ratio in the simplest form: (1) 12:13.2 (2) 33 1/3:100 (3) 4.5:3 (4) 2.5:6.5:8?

Mathematics · 7 mins ago
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• ### Solve the question given below in detail. ? It's a math question?

People of Sundar gram village planted a total of 102 trees in the village Garden. some of the trees where fruit trees. the number of non fruit trees were 2 more than 3 times the number of the fruit trees. what was the number of fruit trees planted?
Mathematics · 14 mins ago
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• ### If you believe there is a Math gene, which of the following examples BEST-describes a woman with a Math gene, for BIOLOGICAL purposes?

A. She will make an excellent Math professor or other high-income Math professional, and should therefore be the main breadwinner of her household, in which children are being raised. B. She will be able to pass on her Math gene to any SON she may have.
Biology · 18 mins ago
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• ### Solve the question given below in detail. ?

People of Sundar gram village planted a total of 102 trees in the village Garden. some of the trees where fruit trees. the number of non fruit trees were 2 more than 3 times the number of the fruit trees. what was the number of fruit trees planted?
Botany · 19 mins ago
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Kasandra is planning a trip for the 38 members of her extended family. She takes a poll to detemine the city in which people prefer to meet. The family members had to vote for at least one city out of New Orleans, New York City, and San Francisco. The family members voted as follows. 20 voted for New Orleans x voted for New York City ... show more
Mathematics · 21 mins ago
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• ### Calculate the heat (in kJ) required to transform 70.80 g of bromine from a solid to a gas?

Calculate the heat (in kJ) required to transform 70.80 g of bromine from a solid at a temperature of -7.2 °C to a gas at 92 °C. Report answer to one decimal place Data: Molar mass of bromine, Br 2 = 159.808 g/mol Melting point = -7.2 °C Boiling point = 59°C. Enthalpy of fusion = 10.57 kJ/mol Enthalpy of vaporization = 29.96 kJ/mol. Molar heat... show more
Chemistry · 22 mins ago
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• ### *(Mastering Physic)* A driver parked his car on a steep hill and forgot to set the emergency brake.?

A driver parked his car on a steep hill and forgot to set the emergency brake. As a result, the car rolled down the hill and crashed into a parked truck. If the car was moving at 10 mph (4.5 m/s) when it hit the truck 7.0 seconds after it began to move, what was the car’s average acceleration while it rolled down the hill? Define the positive x... show more
Physics · 25 mins ago
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A quartic equation 60x^4-30x^3-45x^2+12x+80 = 0 has roots a, b, c and d. Find the value of (ab)^2 + (bc)^2 + (ca)^2 + (cd)^2 + (ad)^2 + (bd)^2. Is there a quick way to do this question or do you have to consider ( (ab) + (bc) + (ca) + (cd) + (ad) + (bd) )^2 and work through the long tedious algebra? Thanks.
Mathematics · 26 mins ago
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• ### A 0.86 M solution of a weak base B has a pH of 10.65 .... please help me with this question?

A 0.86 M solution of a weak base B has a pH of 10.65. The equation for ionization is B (aq) + H2O → BH+ + OH What are the BH+, OH and B concentrations at equilibrium? Calculate Kb for the base.
Chemistry · 28 mins ago
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• ### What is the total amount of edging that would be required to cover all edges of a rectangular prism measuring 10cm by 15cm by 30 cm?

Mathematics · 28 mins ago
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• ### Could anyone help me solve this equation 11^(n-8 ) − 5 = 54? Thank you!!?

Mathematics · 30 mins ago
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• ### I need help with the following kinetics problems, please explain/show work!?

Mathematics · 30 mins ago
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• ### What's the weirdest creationist misconception about evolution you've run across, Biology?

I'm not looking here for what they are rejecting, I'm looking for... the things they think are the case that, well, aren't, or that would need to be the case in order for evolution to be true, that evolution doesn't actually require, or in some cases even allow. Like the crocoduck. That is, to put it another way, I'm not... show more
Biology · 30 mins ago
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• ### Circular motion help?

A man standing on the equator will be moving due to the rotation of the Earth. What is his instantaneous velocity? answer is 465 but im confused
Physics · 34 mins ago
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• ### Algebra question (Sampling methods)?

A radio show host broadcasts to audiences in California, Arizona, New Mexico, Colorado, and Washington. She asks her listeners to go to her station’s website to vote for their favorite baseball park in the country. Why might this sampling method yield biased results? New Mexico does not have a Major League baseball team, so those listeners are... show more
Mathematics · 35 mins ago
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• ### Algebra (Sampling Methods)?

A radio show host broadcasts to audiences in California, Arizona, New Mexico, Colorado, and Washington. She asks her listeners to go to her station’s website to vote for their favorite baseball park in the country. Why might this sampling method yield biased results? New Mexico does not have a Major League baseball team, so those listeners are... show more
Mathematics · 38 mins ago
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