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Trava [24]
3 years ago
14

Write the expressions for the following situations. The difference of 15 and 4 times a number I want to buy 4 tickets to go to D

isney World. They are currently on sale for with a 12% discount. Write the SIMPLIFIED expression to represent this scenario.
Mathematics
1 answer:
ElenaW [278]3 years ago
5 0

Answer:

  • The difference of 15 and 4 times a number

4a - 15

  • I want to buy 4 tickets to go to Disney World. They are currently on sale for with a 12% discount.

100% representate the original cost of tikets,

100% = 100/100 = 1

12% discont:

12% = 12/100 = 0.12

1 - 0.12 = 0.88

0.88

then the expressión is:

4*0,88d

=3.52 d

d = original cost of each ticket

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igor_vitrenko [27]

Answer:

p=4h    

Step-by-step explanation:

Let p be the number of trees Wangari plants, and h  be the time she spends planting them in hours.

We have been given that Wangari plants trees at a constant rate of 12 trees every 3 hours.    

Let us find number of trees planted in 1 hour by dividing 12 by 3.

\text{Number of trees planted in 1 hour}=\frac{12\text{ plants}}{3\text{ hour}}

\text{Number of trees planted in 1 hour}=4\frac{\text{ plants}}{\text{ hour}}

We can represent this information as: p=4h

Therefore, the equation p=4h relates the number of trees (p) Wangari plants, and the time (h) she spends planting them in hours.

3 0
4 years ago
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Elanso [62]
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5 0
3 years ago
Six copies of a book cost $90. How much does<br> each copy of the book cost?
IRINA_888 [86]
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Use cosine trigonometric relation.

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4 0
3 years ago
One ring in the Stonehenge monument was originally made of 30 stones each about 6 feet wide 3 feet thick and 13 feet tall what i
jeka57 [31]

Answer:

The answer to your question is 3978 ft³

Step-by-step explanation:

Data

total number of stones = 30

width = 6 ft

thickness = 3 ft

height = 13 ft

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Process

1,. Calculate the Volume of 1 stone

Volume = width x thickness x height

-Substitution

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Volume = 234 ft³

2.- Calculate the volume of 17 stones

Volume = 17 x 234

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