Questions by Donato Perconti

Questions by Donato Perconti

Simplify. 4 x (8 + 5) + 9 can someone help me out plz

asked Aug 18, 2021

2 answers

5 votes

38.1k views

How to determine the position of an element in the periodic table

asked Jul 13, 2021

1 answer

1 vote

76.7k views

4. Escribe 5. Escribe la ecuación 3x + 4y - 20 = 0 en su forma simétrica. 62

asked Jun 18, 2021

1 answer

4 votes

208k views

The graph of a quadratic function intercepts the x-axis in two places and the y-axis in one place. According to the fundamental theorem of algebra, which of the following statements is correct? A. The

asked Apr 5, 2021

2 answers

2 votes

84.0k views

Provide support to the argument that Cornell university did violate ethical requirements for research

asked Mar 28, 2021

1 answer

0 votes

141k views

What substance is a reactant, along with oxygen, in cellular respiration?

asked Mar 10, 2021

1 answer

1 vote

227k views

In conducting their research, economists face an obstacle that not all scientists face; specifically, in economics, it is often impractical to a. find articles or books that were written before 1900. b.

asked Feb 18, 2021

1 answer

5 votes

154k views

You pick two marbles at random out of a box that has 5 red and 5 blue marbles. If they are the same color, you win $1. If they are of different colors, you lose $1 (i.e. your payout is -$1). What is the

asked Feb 10, 2021

2 answers

0 votes

114k views

When the _______5___ reaches the end of an axon, the neurotransmitter is released, and it diffuses to the muscle cell membrane to combine with ____6_____ and allow the ion known at ____7___ to diffuse

asked Feb 3, 2021

2 answers

4 votes

98.5k views

The organic compound di‑n‑butyl phthalate, C16H22O4(l), is sometimes used as a low‑density (1.046 g⋅mL−1) manometer fluid. Compute the pressure in torr of a gas that supports a 515 mm column of di‑n‑butyl

asked Aug 7, 2020

1 answer

1 vote

162k views

What is the value of a in the equation 3a+b=54, when b=9?

asked Jun 14, 2020

1 answer

3 votes

74.5k views

In a coin collection,the number of dimes is 6 more than twice the number of nickels if the collection has 36 dimes how many nickels are in the collection

asked Jan 1, 2020

1 answer

5 votes

186k views

What is the significance of the 38th parallel?

asked Dec 21, 2019

1 answer

4 votes

189k views

Write the fact family for 115?

asked Dec 21, 2019

1 answer

5 votes

6.2k views

Triangle ABC has vertices at A(–2, 3), B(–3, –6), and C(2, –1). Is triangle ABC a right triangle? If so, which angle is the right angle?

asked Sep 19, 2019

2 answers

2 votes

190k views

Solve. {y=3x−7 15x−5y=14 Use the substitution method. The solution is (15, 5). The solution is (0, 7). There is no solution. There are an infinite number of solutions.

asked Aug 20, 2019

2 answers

2 votes

133k views

Your little brother start a new business selling lemonade. he spend a total of 15.82 for supplies and sells lemonade on the first day for $0.50 a glass he made a total profit of 6.18. write an equation

asked Jan 11, 2019

1 answer

0 votes

76.5k views

Subduction occurs at which of the following tectonic plate boundaries?

asked Oct 16, 2018

1 answer

2 votes

219k views

Which describes self-actualization? A. a person’s emotional development B. a person’s physical development C. a process for achieving one’s full potential D. a process for defining needs

asked Jul 18, 2018

1 answer

4 votes

15.7k views

Select the correct answer. How does the brainstorming method of freewriting help in writing a research paper? A It lists the main ideas and supporting ideas on the topic in a logical order. B It connects

asked May 7, 2018

2 answers

3 votes

171k views

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