Explain these three questions please help me I’m begging you please I’ll give brainliest!!!!

Mathematics

1 answer:

Rufina [12.5K]3 years ago

6 0

Answer: 1) The ocean influences weather patterns by distributing heat and moisture around the globe. Warm water is also evaporated from the ocean into the atmosphere, where it can condense and form clouds, which can eventually lead to rain.

2) Both circulate different temperatures around. In the water, it is bringing warm and cold water through ocean currents to different areas around the world. In the atmosphere, it is pushing warm and cold air through winds to various parts of the world.

3) Convection is the circular motion that happens when warmer air or liquid, with faster moving molecules to make it less dense, rises while the cooler air or liquid drops down. The sun heats the earth’s surface, then, when cooler air comes into contact with it, the air warms and rises, creating an upward current in the atmosphere. That current can result in wind, clouds, or other weather. Convection currents within the earth move layers of magma, and convection in the ocean creates currents.

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Step-by-step explanation:

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Grant walks 4/5 of a mile in 1/4 hour. What is his ratio of miles to hours in simplest form?

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3 years ago

Which algebraic expression represents the phrase “two times the quantity of a number minus 12”?

Yakvenalex [24]

Answer:

The algebraic expression which represents the phrase “two times the quantity of a number minus 12” is : 2x- 12

Step-by-step explanation:

Algebraic expressions are the idea of expressing numbers using letters or alphabets without specifying their actual values. The basics of algebra taught us how to express an unknown value using letters such as x, y, z, etc. These letters are called here as variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

for example :-

3x + 4y – 7, 4x – 10, etc.

These expressions are represented with the help of unknown variables, constants and coefficients. The combination of these three (as terms) is said to be an expression. It is to be noted that, unlike the algebraic equation, an algebraic expression has no sides or equal to sign

let the quantity mentioned in the question be 'x'

therefore according to the statement the algebraic expression which represents the phrase “two times the quantity of a number minus 12” is : 2x- 12 is

⇒2x - 12 (answer)