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sergiy2304 [10]
3 years ago
8

A playhouse is in the shape of a regular octagonal pyramid with a side length of 3 feet and a slant height of 12 feet. The wood

used to build the walls of the playhouse costs $4 per square foot. What is the cost of the wood for the walls of the playhouse?
Mathematics
2 answers:
Cloud [144]3 years ago
5 0

Answer:

$432

Step-by-step explanation:

g100num [7]3 years ago
3 0
I believe it is 144 dollars
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PLEASE HELP ME!!!
Ede4ka [16]

The roots of the quadratic equation ax^2+bx+c=0 are

x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}.

Here the given quadratic equation is 5x^2-13x+7=0. Here a=5,b=-13,c=7.

The roots are

x=\frac{13 \pm \sqrt{13^2-4*5*7}}{2*5} \\ x=\frac{13 \pm \sqrt{29}}{10}

7 0
3 years ago
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8x+5y=24<br><br> y=-4x<br><br><br> Solve for y and x
Cloud [144]

Answer:

x= -2           and y= 8

Step-by-step explanation:

8x+5y=24-------A

y=-4x---------B

Putting the value of y from B in A

8x+5(-4x)=24

8x +(-20x)= 24

8x-20x=24

-12x=24

x= -24/12

x=-2--------C   y =-4(-2)=8

8 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST
Alexxandr [17]
N^2.....because this is the product of n and itself, not the sum
4 0
4 years ago
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Which function is equivalent to F(x)=-4(x+7)^2-6?
Gemiola [76]

\huge\mathfrak\orange{answer}

Simplify this quadratic function given in vertex form into standard form by simplifying the exponents and adding like terms.

f(x) = \red{-4(x+7)^2 - 6}

f(x) = -4(x^2 + 14x + 49) - 6

f(x) = -4x² - 64x - 196 - 6

\underline{f(x) = -4x² - 64x - 202}

(good luck :) and mark me brainliest if you're satisfied with my answer)

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3 years ago
How to write into an equation
Rama09 [41]

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3 years ago
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