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coldgirl [10]
3 years ago
14

How do you do question 4, 5 and 6? I don't understand :(

Mathematics
1 answer:
AleksandrR [38]3 years ago
6 0
Sorry i would help but i dont understand either. D:
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1. The county fair charges $1.25 per ticket for the rides. Jermaine bought 25 tickets for the rides and spent a total of $43.75
ryzh [129]
If this were to be graphed, the independent variable would be the price of the ticket for the rides. The dependent variable would be the total cost.

The fair admission is not a variable because it is a constant price for every single person who goes into the fair.

The problem asks to use y to represent the total cost and x to represent the number of ride tickets. In order to fully write out the equation, we have to figure out what the fair admission costs.

43.75 = 1.25(25) + b

*b represents the fair admission

Multiply 1.25 by 25

43.75 = 31.25 + b

Subtract 31.25 to find what b costs.

12.50 = b

The fair admission costs $12.50.

Solution: y = 1.25x + 12.50

3 0
3 years ago
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A hypothesis will be used to test that a population mean equals 10 against the alternative that the population mean is less than
Nonamiya [84]

Answer:

Lets take the hypothesis

<em>zα/2 </em>

<em>- zα/2 </em>

Step-by-step explanation:

<em>α/2 = 0.10/2 = 0.05 </em>

<em>z(0.05) = 3.92 </em>

<em>-z(0.05) = -3.92 </em>

4 0
3 years ago
Marco bought $30 worth of football cards. If he bought 12 packs of cards, how much does each pack of cards cost?
Mandarinka [93]

Answer:

2.5

Step-by-step explanation:

30/12=2.5

7 0
2 years ago
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Cool Tees is having a Back to School sale where all t-shirts are discounted by 15%. Joshua wants to buy five shirts: one costs $
Marina CMI [18]
The answer to your question is $64.5745
3 0
3 years ago
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Use a unit rate to find the unknown value.
Tanzania [10]
1. 40/8 = 45/9
2. 42/14 = 15/5
3. 14/2 = 56/8
4. 8/4 = 26/13
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3 years ago
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