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vitfil [10]
3 years ago
15

A pen in the shape of an isosceles right triangle with legs of length x ft and hypotenuse of length h ft is to be built. If fenc

ing costs $ 4 divided by ft for the legs and $ 16 divided by ft for the​ hypotenuse, write the total cost C of construction as a function of h.
Mathematics
1 answer:
Vaselesa [24]3 years ago
5 0

Answer:

\frac{8h}{\sqrt{2}} + 16h

Step-by-step explanation:

First we need to compute the side length as a function of h

So x be the side length of the right isosceles triangle, in Pythagorean formula we have

x^2 + x^2 = h^2

2x^2 = h^2

x = \frac{h}{\sqrt{2}}

The cost for the legs is

C_l = 4*2x = \frac{8h}{\sqrt{2}}

The cost for the hypotenuse is

C_h = 16h

So the total cost in term of h is

C = C_l + C_h = \frac{8h}{\sqrt{2}} + 16h

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What is the GCD of 18 and 48
JulijaS [17]

Answer:

6

Step-by-step explanation:

So the greatest common factor 18 and 48 is 6.

8 0
2 years ago
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What is the length of this segment ?
FinnZ [79.3K]
1 \frac{11}{16} is the answer you're looking for.
6 0
3 years ago
Osvoldo has a goal of getting at least 30% of his grams of carbohydrates each day from whole grains. Today, he ate 220 grams of
saw5 [17]

Answer:

Osvoldo did not meet his goal

Step-by-step explanation:

To know the percentage of carbohydrates that Osvoldo ate from grains with respect to the total, we simply have to divide the amount of carbohydrates he got with the grains by the total

55 / 220 = 0.25

then to express it as a percentage this number has to be multiplied by 100

0.25 * 100 = 25%

Osvoldo wanted to reach 30% and only got 25%

25% < 30%

4 0
3 years ago
Find the perimeter of ADE
irga5000 [103]
At D point in the bottom then up and to the right upper corner to Letter B
5 0
2 years ago
A triangle has side lengths of (7x-4)(7x−4) centimeters, (x+3)(x+3) centimeters, and (3y+2)(3y+2) centimeters. Which expression
Papessa [141]

Answer:

<u>This assumes that the question was meant to read:</u>

"A triangle has side lengths of (7x−4) centimeters, (x+3) centimeters, and (<u>3x+2</u>) centimeters."  <u>And not </u>"A triangle has side lengths of (7x-4)(7x−4) centimeters, (x+3)(x+3) centimeters, and (3y+2)(3y+2) centimeters."

If the revision is correct, the perimeter is 11x + 1 cm

=============================================

<u>If the question was correctly written, then answer is:</u>

50x^2 - 50x + 9y^2  + 12 y  + 29

===============

Step-by-step explanation:

  (7x-4) cm

+ (x+3)  cm

<u>+ (3x+2) cm</u>

11x + 1 cm

If the question was correctly written as is, then:

(7x-4)(7x−4) = 49x^2 - 56x + 16

+(x+3)(x+3)    =     + x^2   + 6x   + 9

+(3y+2)(3y+2) = <u> +9y^2  + 12 y  + 4</u>

                         50x^2 - 50x + 9y^2  + 12 y  + 29 cm

                       

8 0
2 years ago
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