2 years ago

Are the triangles below similar?

Mathematics

1 answer:

Alika [10]2 years ago

5 0

A the first answer because the triangles are the same they are just flipped

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kozerog [31]

Answer: a. 14% decrease or 86% of the whole

B. 137.5% increase

Step-by-step explanation:

A. Divide new price by old price and you get .86, change that to a percent by multiplying by 100. That equals 86%, the percent of change would be the difference of 100% to 86%, which is 14%

B. Use above explanation but don’t find the difference. 77/56= 1.375, 1.375*100=137.5

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2 years ago

The room numbers of two adjacent classrooms are two consecutive even numbers if their sum is 806 find the classroom numbers

Igoryamba

Answer:

Step-by-step explanation:

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2 years ago

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3 years ago

How do you do this?<br> Please help, I’ve been staring at this for like 10 min :)

damaskus [11]

Answer & Step-by-step explanation:

The formula is given in the middle. You are supposed to insert the value of x into this formula to find the value of y (like in the first given example):

$x=-2\\y=2(-2)+5\\y=-4+5\\y=1$