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Dovator [93]
2 years ago
6

a diamond ring was reduced from $799.99 to $499.99 find the percent decrease in the price round the answer to the nearest tenth

of a percent if necessary​
Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
3 0

Answer:

The price was reduced by about 53%

Step-by-step explanation:

Per cent of change = (amount of change) ÷ (original amount)

% change = (799.99 - 375.99)/799.99

= 424 / 799

= .5300

= 53 %

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Identify the sum of the interior angle measures of a convex octagon.
dmitriy555 [2]
(n - 2)*180
Therefore, (8 - 2)*180
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Hope this helps! :)
6 0
2 years ago
In a day, Robin spends 6 hours at school, sleeps for 9 hours, plays for 3 hours, and spends the rest of the time doing other thi
slavikrds [6]
6hrs = school
9hrs = sleeps              = 18hrs // 24hrs      ----6hrs left
3hrs = plays

6hrs = other things


playing = 12.5% -- 3/24                 3/24*100
other things = 25% -- 6/24             6/24*100
5 0
3 years ago
Read 2 more answers
A parallelogram has a length of 15cm and a height of 7.5cm . Calculate it’s area (step by step)
poizon [28]

Answer:

Area of parallelogram is equal to 112.5cm^2

Step-by-step explanation:

It is given length pf parallelogram which is equal to base of parallelogram is b=15 cm

Height of parallelogram h = 7.5 cm

We have to find the area of the parallelogram.

Area of parallelogram is equal to multiplication of base and height.

Therefore area of parallelogram is,

A=bh, here b is base and h is height.

So A=15\times 7.5=112.5cm^2

Therefore area of parallelogram is equal to 112.5cm^2

3 0
3 years ago
What is the smallest and largest perimeter of a polygon with an area of 20?
DENIUS [597]

Answer:

The polygon with the smallest perimeter is the megagon

The polygon with the largest perimeter is the triangle

Step-by-step explanation:

An equilateral triangle with area = 20 has

0.5× a²×sin60 = 20

a= 6.796

Hence, perimeter = 20.39

A square of area 20 has perimeter= 4×√20 = 17.9

A regular pentagon of area = 20 has perimeter = 3.41 × 5 = 17.05

Hence as the number of sides is increasing, the ratio of the Area to the Perimeter also increases

Therefore, a triangle has the largest perimeter with an area of 20 while a megagon with a million sides has the smallest perimeter with an area of 20.

4 0
3 years ago
What is the equation in slope-intercept form of a line (y = mx + b) that has aslope of 3 y-intercept of 6?
arsen [322]

The equation of the line is y = 3x + 6

<h3>What are linear equations?</h3>

Linear equations are equations that have constant average rates of change.

Note that the constant average rates of change can also be regarded as the slope or the gradient

<h3>How to determine the equation of the line?</h3>

The given parameters are

Slope, m = 3

y-intercept, c = 6

A linear equation is represented as

y = slope * x + y-intercept

i.e.

y = mx + c

So, we have

y = 3x + 6

Hence. the linear equation is y = 3x + 6

Read more about linear equation at

brainly.com/question/14323743

#SPJ1

5 0
1 year ago
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