Questions by Alaa Osta

Questions by Alaa Osta

Solve the system of equations using the elimination method. (8x +11y = 37 8x+y=7

asked Oct 4, 2021

1 answer

2 votes

3.6k views

Is our current model of the solar system geocentric or heliocentric?

asked Jul 9, 2021

2 answers

5 votes

206k views

This is probably easy, but please help me

asked Jun 26, 2021

1 answer

1 vote

108k views

Why is oceanic crust subducted under continental crust?

asked Jun 19, 2021

2 answers

0 votes

222k views

Expanding logarithmic Expression In Exercise,Use the properties of logarithms to rewrite the expression as a sum,difference,or multipal of logarithms.See example 3. In 2x/(x^2 - 1)1/2

asked Jun 3, 2021

1 answer

2 votes

105k views

Host A is a PC, connected to switch SW1 and assigned to VLAN 1. Which of the following are typically assigned an IP address in the same subnet as host A? (Select two answers) a. The local router's WAN

asked Apr 24, 2021

1 answer

4 votes

223k views

Please can you help me with this

asked Apr 19, 2021

2 answers

1 vote

95.9k views

Hoy en día, no es necesario usar un agente de viajes porque puedes ___________ por Internet.

asked Aug 24, 2020

1 answer

4 votes

44.1k views

Lew Co. sold 200,000 corrugated boxes for $2 each. Lew’s cost was $1 per unit. The sales agreement gave the customer the right to return up to 60% of the boxes within the first 6 months, provided an appropriate

asked Aug 22, 2020

1 answer

5 votes

233k views

Explain why the number of protons in an atom must always equal the number of electrons.

asked Jan 13, 2019

2 answers

2 votes

21.5k views

A ________ is a mental representation of how a physical space is laid out or organized.

asked Nov 3, 2018

1 answer

5 votes

89.1k views

"Fad" diets usually promise: a. slow weight loss b. provision of adequate nutrition c. healthy lifestyle changes resulting in weight loss d. unrealistic, fast results

asked Jun 25, 2018

2 answers

0 votes

114k views

Which condition is a biotic factor of an aquarium ecosystem? amount of oxygen in the water gravel on the bottom of the aquarium algae growing on the glass temperature of the water

asked Jun 3, 2018

2 answers

5 votes

208k views

The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 390 minutes, the monthly

asked Mar 3, 2018

1 answer

2 votes

114k views

A wall is 12 feet long and 8 feet tall. There is a square window 4 feet long in the wall. What is the area of the wall surface? 96 ft2 92 ft2 80 ft2 32 ft2

asked Jan 27, 2018

2 answers

2 votes

58.4k views

The most abundant dissolved salt in ocean water is a. sodium saline. c. sodium chloride. b. sodium fluoride. d. sodium chlorine.

asked Nov 11, 2017

1 answer

5 votes

208k views

When compounds that are formed from ionic bonds decompose, the products are usually _____. atoms of the original reactants simple molecules ions of the original elements of no further chemical value

asked Feb 18, 2017

2 answers

3 votes

171k views

Any variation that can help an organism survive in its environment is called a(n):

asked Mar 23, 2016

1 answer

0 votes

47.6k views

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