Questions by Richardwb

Questions by Richardwb

Using Cramer's rule, the solution to the system of equations: 3x - y = -1 and -3x + 5y = 13 Can be written in the form: Dx, Dy D D What is the value of Dy?

asked Nov 19, 2024

1 answer

2 votes

227k views

Solving an equation to find the value of an expression

asked Jul 13, 2024

2 answers

2 votes

155k views

Gabriel determined that his total cost would be represented by 2.5x 2y – 2. his sister states that the expression should be x x 0.5x y y – 2. who is correct? explain.

asked Apr 14, 2024

1 answer

1 vote

114k views

Which of the following statements is true of the secondary structure of a protein? a. It occurs when two or more polypeptide chains join together. b. It involves the folding of the polypeptide into an

asked Jan 12, 2024

1 answer

3 votes

116k views

Hayden said the expression 3(2x+1) will always be greater than 3 because when I distribute the 3 to the numbers inside the parentheses, I will multiply 3 and 1 which is 3 since I will always be adding

asked Nov 9, 2023

1 answer

10 votes

235k views

Which is the best estimate for (8.9 x 10^8)/ 3.3 x 10^4

asked Aug 8, 2023

1 answer

16 votes

212k views

13.62 Round to the nearest whole number.

asked May 10, 2023

1 answer

7 votes

232k views

Find the derivative:f(x)= -3/ x^4

asked Mar 26, 2023

1 answer

5 votes

38.6k views

Why is NAND gate known as universal gate? expain

asked Oct 26, 2022

1 answer

8 votes

17.9k views

A new robotic toy was selling for $24 before it become very popular. The store raised the price by 25%. What was the cost of the toy after the markup?

asked Sep 7, 2022

1 answer

0 votes

86.3k views

I'LL MARK BRALIEST!!!!! Which of the following enabled farmers to grow more crops? (1 point) a the building of irrigation systems b the introduction of bronze tools c the increase in trade among cities

asked Sep 3, 2022

2 answers

2 votes

203k views

The most intense line in the emission spectrum for sodium appears at a wavelength of 589 nm. What color would you expect to observe when a solution that contains sodium ions is heated strongly in the flame

asked Aug 13, 2022

1 answer

1 vote

219k views

I need help please LOL

asked Jun 2, 2022

1 answer

4 votes

121k views

The lynch by claude mckay meaning of the poem.

asked Apr 6, 2022

1 answer

4 votes

25.2k views

The sum of the two numbers is 49 and the difference is 11. What are the numbers?

asked Dec 18, 2021

2 answers

5 votes

126k views

Pls help this is geometry

asked Dec 12, 2021

1 answer

0 votes

224k views

What is 9.1% of 80? Round to the nearest hundredth (if necessary).

asked Aug 2, 2021

2 answers

3 votes

134k views

What is -4 1/6 x 3/5?

asked Jul 2, 2021

2 answers

3 votes

216k views

micah drove 4 1/4 miles on Monday and 2 2/3 miles on Tuesday. On Wednesday, he drove 1 1/3 fewer miles than he had driven on Monday. How many miles did they drive in total

asked May 5, 2021

1 answer

4 votes

28.6k views

What value of x makes this statement true? 3 x = 2 x + 12

asked Apr 18, 2021

1 answer

3 votes

206k views

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