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Marta_Voda [28]
3 years ago
7

The one wrote in red I cannot think of one

Mathematics
1 answer:
qwelly [4]3 years ago
5 0

a. There's a restaurant that charges $35 just to get inside plus $2.50 per hour.

b. The rate of change is 2.5. The meaning is each hour you're in the restaurant, they charge you $2.50.

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A city has a population of 390,000 people. Suppose that each year the population grows by 5.5%. What will the population be afte
Ira Lisetskai [31]

Exponential growth formula:

Total = start value x ( 1 + percentage)^ time

Total = 390,000(1+ 0.055)^7

Total = 390,000(1.055)^7

Total =567,324.87

Rounded = 567,325

4 0
4 years ago
In an electronics store, an iPod is $75. The sales tax is 7.5%. What is the cost of the iPod?
castortr0y [4]

Answer:

$80.625

Step-by-step explanation:

$75 for the iPod times 0.075 = 5.625 which is the sales tax.

Then $75 (Cost of iPod) + 5.625 (Sales Tax) = $80.625 (Price of the iPod including the sales tax)

Sorry, if I am wrong. I tried my best and Hope this helps ;)

3 0
3 years ago
Andre tried to solve the equation 1/4(x + 12) = 2. What was his mistake? *
Umnica [9.8K]

Answer:

x=-4

Step-by-step explanation:

x+12=8    

x=8-12

Andre did not multiple both by four to get the exact whole number. He also, didnt subtract 12 which is not possible due to it being multiplied by 1/4.

5 0
3 years ago
The volume, V, of a right cone varies jointly with the square of the radius of the base, r, and the height, h. When r = 6 and h
Sveta_85 [38]

Answer:

V=πr^2(h/3)

Step-by-step explanation:

V=π6^2(8/3)

6 0
4 years ago
A shop in the mall is 8 meters by 11 meters. How much would it cost to recarpet the shop with carpet that costs $5.00 per square
Rufina [12.5K]

Answer:

5

Step-by-step explanation:

8 0
3 years ago
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