20. 7.EE,4b
1 answer:
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The whiteboards she bought cost $35, and she spent a total of $51.20, subtract to find out the total amount she spent on posters:
So she spent a total of $16.20 on posters, now divide by the amount one poster costs to find out how many posters she bought.
So she bought 3 posters.
So she spent a total of $16.20 on posters, now divide by the amount one poster costs to find out how many posters she bought.
So she bought 3 posters.
Answer:
<h3>Step-by-step explanation:
Given,
Perpendicular ( P ) = 36
Base ( b ) = 36
Hypotenuse ( h ) = ?
<u>Finding</u><u> </u><u>the </u><u>hypotenuse </u> :
<u>Using </u><u>the </u><u>Pythagoras </u><u>theorem</u><u> </u>:
plug the values
⇒
Evaluate the power
⇒
Add the numbers
⇒
Squaring on both sides
⇒ units
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