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Answers by Dave

Answers by Dave
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a ball is thrown vertically upward with a speed of 15 m/s. determine the time of flight when it returns to its original position.
answered Oct 2, 2024
1 vote
122k views
Do physical characteristics or psychological characteristic require longer sensitive periods?
answered Aug 30, 2024
2 votes
78.8k views
Identify the example of a fused sentence. a. Air pollution has caused health officials to clamor for higher air quality standards. b. Air pollution. Has caused health officials to clamor. For higher air
answered Aug 14, 2024
4 votes
77.3k views
Show work 1. Convert 12 hours=____seconds 2. Show your work. A substance has a freezing point of -20C. What is the freezing point of the substance in degrees Fahrenheit (round your answer to the nearest
answered Jun 30, 2024
2 votes
101k views
Given the sequence 18, -142, -302, -462, -622 Determine its nᵗʰ term
answered Jun 25, 2024
5 votes
180k views
What is the surface area? 34 in 30 in 34 in 32 in 36 in​
answered Nov 30, 2023
6 votes
16.1k views
Samantha has a total of 12 chickens.if she has 3 times as many chickens as dogs write and sole an equation to determine the number of dogs she has.
answered Aug 22, 2023
4 votes
134k views
6.0 mol Al reacts with 4.0 mol O2 to form Al2O3. 4A1+30₂ → 2Al₂O3 How many moles of Al2O3 form when 6.0 mol Al reacts? And how many moles form when 4.0 O2 react?
answered Jul 24, 2023
3 votes
66.8k views
Let a = 3 and b = 2 What is the value of the expression a -b?
answered Mar 23, 2023
2 votes
26.9k views
Please help me with this
answered Mar 19, 2023
1 vote
221k views
If the pressure in a gas container that is connected to an open-end U-tube manometer is 116 kPa and the pressure of the atmosphere at the open end of the tube is 752 mm Hg, the level of mercury in the
answered Sep 27, 2022
7 votes
44.9k views
An independent research firm conducted a study of 100 randomly selected children who were participating in a program advertised to improve mathematics skills. The results showed no statistically significant
answered Sep 11, 2022
1 vote
199k views
To what temperature will a 50.0 g piece of glass raise if it absorbs 5275 joules of heat and its specific heat capacity is 0.500 J/g°C? The initial temperature of the glass was 20.0 degrees C. *Include
answered Sep 10, 2022
2 votes
213k views
Please help!!! Find the indicated limit, if it exists. (see picture for limit) Answer options: a. -9 b. -7 c. 2 d. The limit does not exist.
answered Apr 28, 2022
1 vote
157k views
In the figure below, triangle ABC is similar to triangle PQR: A right triangle ABC with right angle at B and base BC is drawn. Length of AB is 4, length of BC is 2. A similar right triangle; triangle PQR,
answered Apr 9, 2022
2 votes
44.4k views
If pqrs is a rectangle pr=9x+1 qs=13x-11 find tr
answered Mar 1, 2022
6 votes
64.5k views
When the sun changes the water on Earth's surface into gas that rises up to form clouds is called ______.
answered Feb 11, 2022
2 votes
157k views
Colossal Cave was formed years ago by underground running water. Today, it is the home to many animals, like bats. These interactions are an example of _____. a. biosphere, atmosphere, and lithosphere
answered Dec 2, 2021
1 vote
142k views
SOMEONE PLS HELPPPPP
answered Nov 29, 2021
3 votes
76.4k views
Please answer this correctly.I want virtuoso or helping hand people to answer my question and please don’t give me wrong answers
answered Nov 10, 2021
2 votes
5.2k views
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