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Blizzard
1 month ago
6

A sports club needs to raise at least $500 by selling chocolate bars for $2.50 each. Sebastian wants to know how many chocolate

bars, c, the sports club must sell in order to reach its goal. Which of the following must be true about the inequality and the resulting graph?
Mathematics
2 answers:
Zina [12.3K]1 month ago
6 0

to achieve a minimum of 200 chocolate bars

c=chocolate bars

2.5c>or=500

Divide both sides by 2.5

c>or=200

lawyer [12.5K]1 month ago
4 0

Response:

80 to the right

Step-by-step explanation:

I completed the Quiz on Edge, and that is the answer

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1) In 2000, magazine A had 5,000 subscribers more than magazine B. 2) The available options indicate that the subscription numbers for both magazines are dropping. 3) As the years progress from 2000, the subscriber counts for both magazines approach zero.
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A coordinate grid with 2 lines. The first line is labeled y equals negative StartFraction 7 over 4 EndFraction x plus StartFract
PIT_PIT [12445]
Question 1: (2.2, -1.4). Question 2: (1.33, 1). Providing a detailed analysis, the equations for the given lines are specified as (1) passing through points (0, 2.5) and (2.2, 1.4), and (2) through (0, -3) and (2.2, -1.4). We are tasked with locating a common solution or intersection of these equations. This leads to finding x = 2.2, and consequently y = -1.4. Therefore, the solution set is (2.2, -1.4). For question 2, the equations yield a solution of (1.33, 1).
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A photocopy machine can reduce copies to 80% of their original size. By copying an already reduced copy, further reductions can
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Part a) When a page is scaled down to 80%, how much enlargement is necessary to bring it back to its original size?

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Given the original size is 100%

This means:

x*80%=100%

x=(100%/80%)

x=1.25--------> 1.25=(125/100)=125%

Thus,

The answer to Part a) is

The percent enlargement required is 125%

Part b) Estimate how many successive copies of a page are needed to make the final copy less than 15% of its original size.

Since the photocopy machine reduces sizes to 80% of the original

Therefore:

Copy N 1

0.80*100%=80%

Copy N 2

0.80*80%=64%

Copy N 3

0.80*64%=51.2%

Copy N 4

0.80*51.2%=40.96%

Copy N 5

0.80*40.96%=32.77%

Copy N 6

0.80*32.77%=26.21%

Copy N 7

0.80*26.21%=20.97%

Copy N 8

0.80*20.97%=16.78%

Copy N 9

0.80*16.78%=13.42%-------------> 13.42% < 15%

Therefore,

The answer to Part b) is

The necessary number of copies to achieve this is 9


6 0
2 months ago
The tiles that Bruce used were each of a square foot in the area. The table shows the area covered by Felicia’s tiles in terms o
zzz [12365]

Response:

Step-by-step explanation:

We need to form an equation that illustrates the area that Felicia has covered, denoted as y, in relation to the number of tiles she utilized, represented by x.

Let x= Number of tiles

y=Area occupied by Felicia's tiles

x_1=9, x_2=18, x_3=27

y_1=1, y_2=2,y_3=3

\frac{x_1}{y_1}=\frac{9}{1}=9

\frac{x_2}{y_2}=\frac{18}{2}=9

\frac{x_3}{y_3}=\frac{27}{3}=9

The relationship between x and y is constant. Hence, it follows a direct proportion.

The equation for direct proportion is shown as

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Substituting the known values into the equation

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This represents the necessary equation depicting the area Felicia covered, y, in terms of the number of tiles utilized, x.

6 0
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Find 83 1/3 % of 384
Inessa [12570]

To change the mixed number 83 1/3 into an improper fraction, we compute.

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We begin by performing the multiplication (83.33) with 384, yielding 83.33 * 384 = 31987.2

Subsequently, we divide by 100 to find the percentage.

Dividing 31987.2 by 100 shifts the decimal two places to the left, resulting in

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