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Natalka [10]
3 years ago
9

The circulation of a newsletter decreased from 3,200 to 2,464. What was the percent of decrease in circulation?

Mathematics
2 answers:
il63 [147K]3 years ago
8 0
Ratio and proportion
2464/3200= x%/100%
cross multiply
3200x=246400
divide by 3200
x=77% is current
100%-77%= 23% decrease in circulation

hope this helps
solniwko [45]3 years ago
4 0

Answer: 23%

Step-by-step explanation:

Given: The previous circulation of news letter = 3200

The new circulation of news letter = 2,464

The decrease in circulation of news letter=3200-2464=736

The percent decrease in circulation of news letter is given by :_

\frac{\text{Decrease in circulation}}{\text{Previous circulation}}\times100\\\\=\frac{736}{3200}\times100=23\%

Hence, the percent of decrease in circulation was 23%.

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The length of a rectangular deck is 4 times its width if the decks perimeter is 30 ft, what is the decks area
omeli [17]

Answer:

The area of the rectangular deck is 36 sq feet.

Step-by-step explanation:

Let the width of the deck  =  k ft

So, the length of the deck = (4k) ft

Now, perimeter = 30 ft

PERIMETER OF A RECTANGLE =  2(LENGTH + WIDTH)

⇒2( k + 4k)  = 30

or, 2 x 5k = 30   ⇒  10k = 30

⇒ k = 30/10 = 3

So, the width of the deck = k  = 3 ft

Length of the deck = 4k = 3 x 4  = 12 ft

Now, AREA OF A RECTANGLE =  LENGTH X WIDTH

So, the area of the rectangular deck = 3 ft x 12 ft

                                                             = 36 sq feet

Hence, the area of the rectangular deck is 36 sq feet.

8 0
3 years ago
What is the ratio of the number of days in the week that do not begin with the letter "T" to the number of days in the week that
ruslelena [56]

Answer:

  2 : 5

Step-by-step explanation:

2 days of the week begin with the letter T (Tuesday, Thursday).

5 days of the week do not begin with the letter T (Sunday, Monday, Wednesday, Friday, Saturday).

The ratio of those that do to those that do not is ...

  (begin with T) : (do not begin with T)

  2 : 5

6 0
3 years ago
Find an equation of the line described below. Write the equation in slope-intercept form (solved for y), when possible.
SCORPION-xisa [38]

The equation of the line in slope-intercept form would be y = m(x - 1/5) - 8.

<h3>What is slope intercept form a straight line?</h3>

The slope-intercept form of a straight line is used to get the equation of a line. We need to know the slope of the line and the intercept where the line crosses the y-axis in order to use the slope-intercept formula.

One of the most popular ways to represent a line's equation is in the slope-intercept form of a straight line. When the slope of the straight line and the y-intercept are known, the slope-intercept formula can be used to determine the equation of a line ( the y-coordinate of the point where the line intersects the y-axis). The equation of a line is the equation that each point on the line fulfills.

Since the slope is undefined in the given question, let us consider it as m.

Therefore, slope=m

Given points are 1/5 and -8, so x₁ = 1/5 and y₁ = -8

We know the formula is, y - y₁ = slope × (x - x₁)

Putting the values of x₁, y₁ and slope in the given formula we get,

y -(-8) = m × (x-1/5)

y = m(x-1/5) - 8

Hence, we get the required equation.

To learn more about slope intercept form, visit:

brainly.com/question/9682526

#SPJ13

8 0
2 years ago
Tony likes to run during his free time. He runs a pace of 5.5 minutes per mile. On Saturday, Tony started running at 8:30am and
timofeeve [1]

Answer:

Step-by-step explanation:

6 0
3 years ago
What is 31 = -4v - 5?
FrozenT [24]
31 = -4v - 5

31 (+5) = -4v -5 (+5)

36 = -4v

36/(-4) = -4v/(-4)

36/ -4 = v

v = -9 is your answer

hope this helps
4 0
3 years ago
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