Recent activity by Feng Yuan

Question

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

2 answers 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

1 answer 139k views

What are the half-reactions for a galvanic cell with aluminum and gold electrodes?

asked Sep 22, 2023

1 answer 186k 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

1 answer 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

2 answers 102k views

Which expression is equal to (screenshot)

answered May 6, 2023

2 answers 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

1 answer 9.1k views

tina spent 1/4 of her money on a new purse she paid she paid her mom $5 that she had barred and she spent five she spent $5.75 on hair ribbon if she had $20 left how much money did she start with? show

asked Mar 7, 2023

1 answer 159k views

A merchant bought some pieces of silk for $900. He marked up $15 more per each piece and made $75 profit. Find the number of pieces purchased.

asked Jan 3, 2023

2 answers 67.7k 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

1 answer 219k views

In Fahrenheit 451, what does Beatty force Montag to do?

asked Dec 25, 2022

2 answers 183k views

Type the correct answer in the box. Spell all words correctly. What does natural resource management aim at? Natural resource management aims at______ management of resources.

asked Nov 24, 2022

1 answer 37.0k views

Evaluate x - 10 when x = -5

answered Oct 21, 2022

2 answers 96.7k views

A 4 m long metal bar tapped by a hammer on one end. A microphone recording the sound at the other end picks up two sound pulses; one which traveled through the metal bar and other which was traveling through

asked Oct 16, 2022

2 answers 51.1k 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

2 answers 164k views

Question 3 Solve the linear equation: 2(x - 3) = 12 A x= 15/2 B x = 9 с X=-9 D x= -15/2 Answer

asked Oct 12, 2022

2 answers 73.0k views

Spanish speakers needed

asked Sep 3, 2022

2 answers 216k 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

2 answers 201k views

Which expressions are equivalent to the one below? Check all that apply. 16^x/4^x

answered Aug 22, 2022

2 answers 209k views

A recipe for fruit punch calls for 9 cups of grape fruit juice for every 4 cups of orange juice if 60 cups of orange juice are used then how many cups of grapefruit juice are needed

asked Jul 18, 2022

2 answers 205k views

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