4 years ago

210 to 35whats the percent of increase or decrease

Mathematics

1 answer:

oee [108]4 years ago

4 0

Answer:

25% of 210:

73.5

-----------------

175% of 210:

83.33333333 ~~ (on and on forever)

Step-by-step explanation:

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3 years ago

Zane eats 3/8 of a pizza. Later he eats 1/2 of the same pizza. Did he eat more the first or second time?

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4 years ago

- Find the coordinates of A if B(0,5.5) is the midpoint of AC and C has coordinates<br><br> (-3,6).

emmainna [20.7K]

Given:

Coordinates of point C are (-3,6).

Point B(0,5.5) is the midpoint of AC.

To find:

The coordinates of A.

Solution:

Let the coordinates of point A are (a,b).

Formula for midpoint:

$Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

Using the above formula, the midpoint of A(a,b) and C(-3,6) is

$B=\left(\dfrac{a+(-3)}{2},\dfrac{b+6}{2}\right)$

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On comparing both sides, we get

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and,

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$b=11-6$

$b=5$

Therefore, the coordinates of point A are (3,5).

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4 years ago