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2 years ago

Find the surface area of a triangular prism shown below.

Mathematics

1 answer:

Tema [17]2 years ago

8 0

Answer:

Step-by-step explanation:

Multiply the numbers on each face 5×7, 6×7, 6×4÷2 (for the triangle) remember that there are 2 of each of the faces so the answer to 5×7 multiply that by 2 to get both faces

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A sandbox has a volume of 648 cubic feet. what is the volume, in cubic yards, of the sandbox?

Eduardwww [97]

We know that

1 cubic yards equals to--------------> 27 <span>cubic feet
then
</span><span>I apply a rule of three
if </span>1 cubic yards ------------------- 27 ft³
X----------------------------------> 648 ft³
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the answer is 24 cubic yards

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3 years ago

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2 years ago

Solve 6/×-3 =x/3

Eduardwww [97]

Answer:

X = -3. non-extraneous

Step-by-step explanation:

The given equation is $\frac{6}{x-3} =\frac{x}{3}$

We cross multiply to get:

$6*3=x(x-3)$

Expand and multiply.

$18=x^2-3x$

$x^2-3x-18=0$

We factor to obtain:

$(x-6)(x+3)=0$

$x=-3,x=6$

Checking for extraneous solutions

Substitute x=-3 $\frac{6}{-3-3} =\frac{-3}{3}$

$\frac{6}{-6} =\frac{-3}{3}$

$-1=-1$

$1=1$ .....Non-extraneous

Checking for x=6

$\frac{6}{6-3} =\frac{6}{3}$

$\frac{6}{3} =\frac{6}{3}$

$2=2$ ....Non-extraneous

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2 years ago

Are these answers correct

Reika [66]

Answer:

yes

Step-by-step explanation:

3 0

3 years ago

If the sales tax is 6% and the purchase price is $271, what is the amount of tax?

Rom4ik [11]

$100\%-price\ without\ tax\\100\%+6\%=106\%-price\ with\ tax\\\\271=106\%x\\271=1.06x\ \ \ \ \ |:1.06\\x=255.66\\\\271-255.66=15.34\\\\\\Tax\ is\ equal\ \$15.34$

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2 years ago

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