2 years ago

1. Name the figure (It is not a cube; it is not a cylinder; what is it?)

Mathematics

1 answer:

Arlecino [84]2 years ago

6 0

1. It is a triangular prism

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What is the square root of 40??

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If 1+1=2 then whats 2+2

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the lengths of the side of a rectangular window have the ratio 1.7 to 1 the area of the window is 2,720 sqaure inches what are d

nignag [31]

Answer:

$Lenght: 68\ in\\\\Width: 40\ in$

Step-by-step explanation:

The formula for calculate the area of a rectangle is:

$A=lw$

Where "l" is the lenght and "w" is the width.

You know that the ratio of the sides of the rectangular window is:

$1.7:1$

Then, let be $x$ the width (in inches) of the rectangular window and $1.7x$ the lenght (in inches) of the rectangular window.

Knowing that the area of the window is 2,720 square inches, you can know that:

$(1.7x)(x)=2,720$

Now you must solve for "x" in order to find the width:

$(1.7x)(x)=2,720\\\\1.7x^2=\\\\x=\sqrt{\frac{2,720}{1.7} }\\\\x=40$

Finally, the lenght is:

$1.7x=1.7(40)=68$

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3 years ago

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Substitution method <br><br> -3x + 3y = 4<br><br> -x + y = 3

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See photo below hopefully it helps!

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