How to multiply and divide

Mathematics

1 answer:

Vikentia [17]3 years ago

8 0

Answer:

Multiplication...

Multiplication is just like adding a number to itself multiple times

For example: 3x3 is the same as 3+3+3

Division...

Division is basically splitting up a number between amother lower number, (it might be pretty difficult if you don’t know how to multiply though...)

Start by Rephrasing/re-ordering the equation (9/3 looks like 3*[?] =9)

1) Figure out what Factors equal 9 (by looking at a multiplication table or by adding up like described earlier)

2) You have your answer

(this took way too long to write and you’re probably an idiot if you’re actually in middle school...smh) I can write a different answer if you meant long division, or something else

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Draw a graph of the temperatures; if the points form a straight line, then the temperatures vary directly , Option B is the correct answer.

<h3>What is Direct Variation ?</h3>

When a quantity of one variable is increased and the value of the other also increases then they are said to be in direct variation.

For the data to be in direct variation

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$m\angle 1 =105^\circ\\m\angle 2 =75^\circ$

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The diagram is drawn and attached below.

From the diagram

$m\angle 2 =75^\circ $ (Alternate Angles)$

$m\angle 1+ m\angle 2 =180^\circ $ (Sum of angles on a straight line)\\m\angle 1+75^\circ =180^\circ\\m\angle 1 =180^\circ-75^\circ\\m\angle 1 =105^\circ$