Questions by David Planella

Questions by David Planella

Which system has the same solution as the system of equations shown? 8x + 3y = 5 4x + 2y = 3 A 8x+3y=5 C 16x+6y=5 -8x+4y=6 12x-6y=9 B 8x+3y=5 D 8x+3y=5 -8x-4y=-6 8x+4y=3

asked Feb 28, 2021

2 answers

5 votes

7.2k views

Based on the reading, how would you classify this rock?

asked Jan 16, 2021

2 answers

4 votes

187k views

A client is diagnosed with erectile dysfunction. He asks what effect sildenafil (Viagra) has because he is taking nitroglycerin for chest pain. What is the best explanation for why nitrates are contraindicated

asked Dec 10, 2020

1 answer

2 votes

36.2k views

Cortisol helps you maintain energy and health during stressful times. But over a long period of time, cortisol can _____.

asked Oct 27, 2020

1 answer

0 votes

43.5k views

G(x) = 2x – 3 f(x) =-3x2-2 Find f(3) and g(-7). Simplify your answers as much as possible. f(3) = 0 X 5 ? 8(-7) = 0

asked Jul 7, 2020

2 answers

4 votes

215k views

In the chemical laboratory, why do scientists use a mortar and pestle?

asked Dec 10, 2019

2 answers

5 votes

89.0k views

In the scientific investigation, the term " quantitative data" refers to numbers that are usually followed by

asked Oct 17, 2019

1 answer

1 vote

162k views

What kind of sedimentary rock is formed when sediment is buried, compacted, and cemented?

asked Aug 8, 2019

2 answers

0 votes

71.0k views

When the increment or decrement operator is placed before the operand (or to the operand's left), the operator is being used in __________ mode?

asked Jan 17, 2019

1 answer

1 vote

98.0k views

Solve for x. x^3=8/125 Enter your answer in the box as a fraction in simplest form.

asked Dec 25, 2018

2 answers

1 vote

10.0k views

A central theme of childe harold’s pilgrimage is the ocean’s ____. a. malice c. rhythm b. permanence d. generosity

asked Sep 18, 2018

2 answers

4 votes

179k views

Find the surface area of a pyramid with a square base with dimensions 100 mm by 100 mm and height of 75 mm.

asked Jul 12, 2018

1 answer

1 vote

8.0k views

In 1973 a cease fire was negotiated in the Vietnam War. true or false

asked Oct 9, 2017

1 answer

4 votes

142k views

which of the following artists was a post impressionist artist who often painted scenes in nightclubs and theaters? henri de toulouse-lautrec. sofonisba anguissola. artemisia gentileschi. franz marc.

asked Apr 2, 2017

1 answer

0 votes

181k views

Atoms of the LEAST reactive elements tend to have A. one or seven valence electrons. B. eight valence electrons. C. four or five valence electrons. D. no valence electrons

asked Feb 16, 2017

2 answers

1 vote

231k views

Which statement about the Declaration of Independence is true? A. It was written by George Washington to inspire his troops on the field of battle. B. It was written by Thomas Paine to build up the independence

asked Jun 5, 2016

1 answer

1 vote

75.1k views

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