Questions by Papacostas

Questions by Papacostas

Determine if (−2, −4) is a solution to the given system of linear equations. −4x+3y=−4 −3x+2y=−2 a.Yes, because substituting the given ordered pair doesn't yield two true expressions. b.No, because substituting

asked Nov 26, 2021

1 answer

3 votes

80.2k views

Which of these strategies would eliminate a variable in the system of equations? -x+6y=8 7x -y = -2 Choose all answers that apply: (Choice A) A Multiply the bottom equation by 6, then subtract the bottom

asked Oct 16, 2021

2 answers

1 vote

76.3k views

How did the XYZ affair get its name?

asked Sep 10, 2021

1 answer

4 votes

62.2k views

15 pts. Topic experiment of rate of reaction. answer with explanations. don't answer bad things or wrong you would be reported.

asked Aug 9, 2021

1 answer

1 vote

211k views

(-5.247)*(14.18) PLEASE ANSWER :)

asked Jun 20, 2021

2 answers

3 votes

46.5k views

The volume of a cube is given by the expression s to the power of 3, and its surface area is given by the expression 6s to the power of 2, where s is the length of the cube’s side. What is the volume of

asked Jun 16, 2021

1 answer

1 vote

156k views

What is the explicit formula for this sequence? -6,-2,2,6,10...

asked Mar 15, 2021

1 answer

4 votes

69.3k views

Decide whether the following sentences should be in the preterite or the imperfect 1.As a child, I used to play with blocks. 2.Last night, the firefighter put out the fire. 3. I went to my grandma's house

asked Feb 25, 2021

1 answer

0 votes

128k views

Which of the following patients would you expect to be competent? A patient who is alert and has a broken leg A patient who is intoxicated and has fallen on the sidewalk. A patient who has wandered off

asked Jan 5, 2021

1 answer

5 votes

65.5k views

Proteases and acrosin are enzymes. How do they function in reproduction? A Their function is unknown. B They direct the sperm to the egg through chemical messengers. C They neutralize the mucous secretions

asked Oct 17, 2020

1 answer

1 vote

71.1k views

A potential energy function is given by U(x)=(3.00J)x+(1.00J/m^2)x^3. What is the force function F(x) (in newtons) that is associated with this potential energy function? Express your answer in terms of

asked Nov 11, 2019

1 answer

3 votes

91.4k views

Consider the reaction pathway graph below. Which kind of reaction does this graph represent? A. exothermic because Hrxn = –167 kJ B. exothermic because Hrxn = 167 kJ C. endothermic because Hrxn = –1,083

asked Sep 19, 2019

2 answers

2 votes

229k views

He avarage rainfall in Louisiana is about 1.53 meters select the two answers that express the measurements a)1.53 x 10 to the 1st power millimeters b)1.53 × 10 squared millimeters c)153 x 10 to the 3rd

asked Sep 1, 2019

1 answer

2 votes

202k views

Elena has a bag containing 4 blue marbles, 6 red marbles, and 3 green marbles. she picks 1 marble at random. what is the probability of her picking a blue marble? a 1 in 13 b 1 in 4 c 4 in 13 d 9 in 13

asked Jun 14, 2019

1 answer

1 vote

96.9k views

During the 1960s, how did the mural movement promote the chicano movement?

asked Jul 25, 2018

2 answers

4 votes

217k views

When the speaker in The Wanderer refers to Fate as fickle, he or she means that Fate cannot be A.counted on. B.taunted. C.anticipated. D.seen as random.

asked Jun 23, 2018

2 answers

3 votes

32.8k views

Three components of a civil complaint.

asked Feb 6, 2018

1 answer

1 vote

153k views

Write the equation of the line that is perpendicular to 4x - 3y = 6 and passes through (4, -2)

asked Nov 8, 2017

1 answer

5 votes

210 views

Look at the graph. Which of the following statements is reflected in the chart? A. Union soldiers were more likely to die of their wounds than Confederate soldiers. B. Soldiers in the Civil War were more

asked Oct 12, 2017

2 answers

2 votes

8.0k views

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