Questions by Youssof

Questions by Youssof

find the equation of the pair of lines perpendicular to the lines pair represented by the equation ax^2-2hxy+by^2=0 and passing through the origin.

asked Nov 24, 2021

1 answer

1 vote

138k views

The drug Viagra promotes blood vessel dilation by prolonging signaling through nitric oxide (NO). How does Viagra boost NO? a. It inhibits guanylyl cyclase in smooth muscle cells. b. It prevents acetylcholine

asked Nov 6, 2021

1 answer

4 votes

227k views

I want to study hard what should I do

asked Sep 26, 2021

1 answer

1 vote

129k views

A person drove at a speed of 28 miles per hour on a back road during a recent trip. They can drive the same distance at 44 mph on the interstate in three hours less. What is the distance they drove on

asked Aug 27, 2021

1 answer

1 vote

160k views

6. Given the function f(x) = –5x + 2, find the range of f(x) for x = –1, 0, 1. options: A. –7, –2, 3 B. 7, 2, 3 C. –7, –2, –3 D. 7, 2, –3

asked Aug 15, 2021

2 answers

0 votes

217k views

Some bacteria have____ or whiplike tails that spin to propel foward

asked Aug 1, 2021

1 answer

2 votes

49.6k views

Does 5x+20=4(x+6) have one solution

asked Jun 13, 2021

1 answer

4 votes

155k views

In a 3.7- gram sample, there are______ atoms of gold

asked May 13, 2021

1 answer

3 votes

230k views

In need of help. been trying for hours.

asked Apr 26, 2021

1 answer

4 votes

166k views

I need ASAP!!! Will give 80 pts The following question refers to the text Gus and Frieda: Geniuses at Recess. Read the paragraph and answer the question below it. The paragraphs have been labeled A, B,

asked Feb 22, 2021

1 answer

2 votes

1.2k views

THIS IS IMPORTANT!!!! WHO EVER CAN DO EVERYTHING IN THE PICTURE RIGHT ILL GIVE ALL NY POINTS TO!

asked Jan 21, 2021

2 answers

1 vote

90.8k views

1 liter is equal to how many cubic centimeters?

asked Oct 26, 2020

2 answers

3 votes

27.6k views

Ethanol contains the elements carbon, hydrogen, and oxygen. When ethanol burns, it chemically reacts with oxygen gas. C2H6O + O2 ethanol oxygen gas What elements will be present in the substances that

asked Oct 6, 2020

2 answers

3 votes

112k views

To make ice, a freezer that is a reverse Carnot engine extracts 42 kJ as heat at -13°C during each cycle, with coefficient of performance 5.9. The room temperature is 30.9°C. How much (a) energy per cycle

asked Jun 5, 2020

1 answer

2 votes

59.9k views

PART A: In line 8, "constrained" means about the same as... A. revived B. forced C. invited D. proud

asked Jan 3, 2020

1 answer

2 votes

23.5k views

Based on the Declaration of Independence which statement best describes the founding fathers view on the role of government

asked Dec 22, 2019

2 answers

3 votes

66.8k views

What is the simplified version of this expression 18/4(8/9b+8/6)?

asked Sep 15, 2019

1 answer

5 votes

194k views

When a character in a medieval text addresses a divine figure, that figure is most likely to be _____. in human form an angel absent a disembodied voice

asked Sep 12, 2019

2 answers

3 votes

232k views

1) which of the following is the earliest era of earth's geological time scale a) cenosoic b) mesozoic c) precambian d) paleozoic 2) the idea known as panspermia proposed that life originated in space

asked Jul 23, 2019

1 answer

4 votes

24.0k views

Some American Indian students went to boarding schools in the United States. Which of the following were these students forbidden from doing?

asked Dec 10, 2018

2 answers

3 votes

168k views

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