Answers by Feng Yuan
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Answers by Feng Yuan

Answers by Feng Yuan
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Find the solution to the following system by substitution. 3x + y = 30 y = 3x A. (5,15) B. (0,30) C. (10,30) D. (10,0)
answered Nov 7, 2023
9 votes
185k views
The value of a in y = ax²+bx+c and the vertex of the parabola are given. How many x-intercepts does the parabola have? Explain how you arrived at this number.a=1; vertex at (2,0)The parabola has x-intercept(s),
answered Oct 30, 2023
7 votes
139k views
A runner completed a 26.2-mile marathon in 210 minutes. - Estimate the unit rate, in miles per minute. Round your answer to the nearest hundredth. - Estimate the unit rate, in minutes per mile. Round your
answered Jul 4, 2023
3 votes
101k views
What is the unknown fraction? two tenths plus unknown fraction equals sixty seven hundredths A twenty-seven hundredths B forty-seven hundredths C sixty-six hundredths D sixty-nine hundredths
answered May 23, 2023
8 votes
102k views
Which expression is equal to (screenshot)
answered May 6, 2023
11 votes
229k views
Multiply: x^2×y^2 × mn / x^11 y^12 m²n² × x^8y^9 mn /ab multiply : \frac{ {x}^(2) * {y}^(2) * mn}{ {x}^(11) {y}^(12) {m}^(2) {n}^(2) } * \frac{ {x}^(8) {y}^(9) mn}{ab} \\ ​
answered Apr 23, 2023
13 votes
9.1k views
The probability of a tropical storm becomes a hurricane is 0.53. If the weather service predicts 6 more tropical storms, what is the probability that exactly 5 of them become hurricanes?
answered Jan 1, 2023
11 votes
219k views
Evaluate x - 10 when x = -5
answered Oct 21, 2022
4 votes
96.7k views
Gramática: Avoiding repetition: Direct object pronouns: Escoge el pronombre de objeto directo correcto para completar el diálogo. 1. --¿Compraste el libro de literatura? --Sí, ________ compré. la te me
answered Oct 13, 2022
8 votes
164k views
A triangle has side lengths of 24 cm, 24 cm, and 24 cm. What type of triangle is this? isosceles only equilateral scalene
answered Aug 25, 2022
1 vote
201k views
Which expressions are equivalent to the one below? Check all that apply. 16^x/4^x
answered Aug 22, 2022
4 votes
209k views
What do men wear in Mérida, Yucatán?
answered May 9, 2022
8 votes
72.4k views
Simplify the expression – 5w +(- 6) +1+(- 9w)
answered Mar 17, 2022
12 votes
133k views
Does anyone know how to do this? Please help ASAP Tell me where to put the shovel on the bottom number line
answered Jan 18, 2022
5 votes
168k views
Reynolds Manufacturers Inc. has estimated total factory overhead costs of $116,000 and expected direct labor hours of 11,600 for the current fiscal year. If job number 117 incurs 1,700 direct labor hours,
answered Dec 27, 2021
5 votes
32.8k views
When this chemical reaction occurs, the product is a salt called Lithium fluoride. a new element is formed the replacement of one element by another the decomposition of two elements, lithium and fluorine.
answered Oct 10, 2021
0 votes
231k views
What is the purpose of an index page feature in a Word document? Check all that apply. helps to quickly find information in a document points readers to specific page numbers introduces the reader to the
answered Aug 10, 2021
4 votes
89.2k views
Technician A says that starwheel adjusters use different threads (left and right handed) for the left and right sides of the vehicle. Technician B says that a pawl controls the teeth of the starwheel adjuster.
answered Jul 6, 2021
6 votes
13.2k views
A type of white blood cell that destroys foreign invaders by surrounding them and then swallowing them is a
answered Apr 27, 2021
1 vote
44.5k views
PLS HELP AND HURRY According to the fossil record, which of these evolved after amphibians? Select two options. mammals sponges fish bacteria reptiles
answered Apr 9, 2021
3 votes
190k views
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