Answers by David Zhang
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Answers by David Zhang

Answers by David Zhang
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Determine the value of x
answered Aug 10, 2024
2 votes
80.2k views
A building casts a 15-foot shadow on the ground. A person standing at the end of the shadow can view the top of the building at a 60° angle with respect to the ground. Set up a proportion based on the
answered Jul 21, 2024
5 votes
92.4k views
Triangle ABC is a right triangle with angle ABC equal to 90 degrees. The length of AC is 7 units, and the length of AB is 4 units. D is a point above C. Triangle ADC is a right triangle with angle DAC
answered May 25, 2024
7 votes
108k views
Q equals r plus 8 minus t ; for r
answered May 6, 2024
2 votes
5.5k views
A particle travelling in a straight line with constant acceleration of 4ms passes at a point O when its velocity is 12ms-¹. It passes another point P after a further 3 seconds. Find the velocity of the
answered Dec 24, 2023
1 vote
48.8k views
At an ice cream shop, 2 of the last 16 cones sold had chocolate ice cream. What is the experimental probability that the next cone sold will have chocolate ice cream? Write your answer as a fraction or
answered Dec 17, 2023
4 votes
130k views
How do you write the coordinates of each point identified by its name?
answered Oct 18, 2023
3 votes
65.6k views
Un vestido cuesta $ 1.500. Si se obtiene un descuento de 10 %, ¿cuánto se debe pagar?
answered Sep 16, 2023
6 votes
19.9k views
What are the Columbia University's 2022-2023 supplemental essay prompts?
answered Jul 16, 2023
3 votes
231k views
This is science question
answered Apr 14, 2023
2 votes
33.0k views
Solve for d.−8+6=−10+10
answered Mar 6, 2023
3 votes
230k views
My rule is: y = 19 - x + 20 Can you write in a simpler form? y =
answered Dec 23, 2022
3 votes
96.9k views
Is there a test that can determine an individual’s biological sex? Explain
answered Dec 10, 2022
9 votes
187k views
Please help me answer this question
answered Dec 9, 2022
6 votes
182k views
Which process is the first step in the formation of urine in the nephrons? O filtration O secretion : O reabsorption O absorption
answered Nov 20, 2022
6 votes
9.6k views
A soccer ball is kicked from the top of a 64 ft building into the air at an initial speed of 48 ft/sec. Its flight as a functions of time can be modeled by: h(t)=−16t2+48t+64. After how many seconds, will
answered Oct 19, 2022
3 votes
224k views
Please help if you can. Is -1 less than or greater than -4??
answered Sep 25, 2022
4 votes
5.8k views
Please help if you can. Is -1 less than or greater than -4??
answered Sep 25, 2022
4 votes
5.8k views
Please help if you can. Is -1 less than or greater than -4??
answered Sep 25, 2022
4 votes
5.8k views
The Dunns are shocked when their Spanish-speaking daughter-in-law says certain things. She has a good command of English, but she does not have a sense of what should be said to her English-speaking in-laws.
answered Jul 5, 2022
6 votes
104k views
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