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lina2011 [118]
3 years ago
9

Jeremy bought four books the cost of three of the books were $13, $10 and $15. the average cost of the four books is at least $1

4. what is the minimum cost of the fourth book?
Mathematics
1 answer:
Anestetic [448]3 years ago
4 0
(13+10+15+x)÷4=14
X=18
$18
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emmasim [6.3K]

Answer:

[90,225] notation or 135 range

Step-by-step explanation:

10x9=90

25x9=225

[900,2250] notation or 1350 range

7 0
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Write a function rule that gives the total cost c(p) of p pounds of sugar if each pound costs $0.42.
julia-pushkina [17]
Since a pound of sugar increases proportionally to the total cost of sugar bought, then the function can be written as:

c(p) = 0.42p

Where: c(p) = total cost of sugar bought
p = pounds of sugar

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5 0
3 years ago
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The perimeter of a triangle is 50 mm. The lengths of 2 of the sides are 13.5 mm and 14.5 mm. Find the missing length.
Naddik [55]
The missing side length should be 22. Add 13.5 to 14.5 and you should get 28. Subtract 28 from the total perimeter (50) to get 22.
5 0
3 years ago
Determine whether the graph of the equation is vertical, horizontal, or neither.
julia-pushkina [17]

Answer:

horizontal

Step-by-step explanation:

7 0
3 years ago
Joe's boat rental rents paddle boats for $8.00 and the paddles rent for $5.00 for the day. If David has $45, what is the least a
Lisa [10]

Answer:

Minimum hour = 177 hour

Step-by-step explanation:

Given:

Paddle boats rent = $8

Paddles rent = $5 Per 24 hours

Total amount = $45

Find:

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Computation:

8 + (5/24)n = 45

(5/24)n = 37

n = 177.6 hour

Minimum hour = 177 hour

6 0
3 years ago
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