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bezimeni [28]
3 years ago
13

The rental of the ice is $75, plus $3 per skater. Write an expression for the cost in dollars for n skaters.

Mathematics
1 answer:
Over [174]3 years ago
5 0
The equation would be F(x)=3x+75
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3 years ago
A shipping service restricts the dimensions of the boxes it will ship for a certain type of service.
Mandarinka [93]

Answer:

Then the answer is option a  

a. 0<x \leq10

Step-by-step explanation:

perimeter + height is less than 130 inches.

If height is 60 inches.then perimeter left is 70 inches.

If perimeter was more than 70 inches then perimeter 60 more than the height would be more than 130.

perimeter of rectangle is

It has two widths and two lengths because that's what rectangles do.

width of base "x"

Then the length is 2.5x

perimeter = 2 width + 2 length

= 2(x) + 2(2.5x)

= 2x + 5x

= 7x

but perimeter can't be more than 70 inches.

So x can't be more than 10 inches because if x was more than 10 inches, then 7x which is perimeter would be more than 70 inches.

2x + 2(2.5x) + 60 \leq  130

7x + 60 ≤ 130

7x ≤ 70

x ≤ 10

Then the answer is option a  

a. 0<x≤10

3 0
3 years ago
Find the length of the prism if the width is 12 feet, the height is 18 feet, and the volume of the prism is 3240 cubic feet.
olga55 [171]

Known :

w = 12 feet

h = 18 feet

V = 3.240 feet³

Asked :

l = ...?

Answer :

V = l × w × h

3240 = l × 12 × 18

3240 = 216 l

l = 3240 ÷ 216

l = <u>1</u><u>5</u><u> </u><u>feet</u>

So, the length is 15 feet

<em>Hope it helps and is useful</em><em> </em><em>:</em><em>)</em>

8 0
3 years ago
15.1 m<br> 25.5 m<br> 35.7 m<br><br> FIND THE SURFACE AREA OF EACH RECTANGULAR PRISM
bezimeni [28]
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5 0
3 years ago
Find two numbers whose difference is 176 and whose product is a minimum.
Zanzabum
Let the two required numbers be x and y, then x - y = 176, thus y = x - 176.

Let the product of the two numbers be represented by

P = xy x(x - 176) = x^2 - 176x

For the product to be minimum, \frac{dP}{dx} =0

\frac{dP}{dx} =2x - 176=0 \\  \\ \Rightarrow2x=176 \\  \\ \Rightarrow x=88

Thus, y = 88 - 176 = -88

Therefore, the two numbers are 88 and -88.
8 0
3 years ago
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