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Vladimir79 [104]
3 years ago
10

2 1/2x−34(2x+5)=3/8 what id X ?

Mathematics
1 answer:
Phantasy [73]3 years ago
3 0
2 because I looked it up on google
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Choose the expanded form of this expression 4(1/4 a + b - 6)
zalisa [80]

Answer:

a+4b-24

Step-by-step explanation:

4(1/4a+b−6)

=(4)(1/4a+b+−6)

=(4)(1/4a)+(4)(b)+(4)(−6)

=a+4b−24

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3 years ago
A right cone has a surface area of 440 square inches and a radius of 7 inches. Find its slant height.
EastWind [94]

Answer:

Surface Area of right cone  

               =\pi r(r+\sqrt{h^2 + r^2}

440 = \pi *7*(7+\sqrt{h^2+7^2})\\\\440 = 7\pi (7 + \sqrt{h^2+7^2})\\\\\frac{440}{7\pi } = 7 + \sqrt{h^2+49}\\\\\frac{440}{7\pi } - 7 = \sqrt{h^2+49}\\\\\frac{440-49\pi}{7\pi} =\sqrt{h^2+49}\\\\

\frac{286.062}{21.99} =\sqrt{h^2+49}\\\\13.0087= \sqrt{h^2+49}\\\\(13.0087)^2 = (\sqrt{h^2+49})^2\\\\169.227 = h^2 +49\\\\169.227 - 49 =h^2\\\\120.227 = h^2\\\\h = \sqrt{120.227}  = 10.96in

7 0
2 years ago
What is the sum of the interior angles of a regular shape witj 6 sides
egoroff_w [7]
Regular shape with six sides:  That is a Hexagon

Sum of angles in a regular Polygon is:  (n - 2)*180

Where n = Number of sides

For Hexagon, n = 6.

Sum =  (n - 2)*180

        =   (6 - 2)*180 =  4 * 180 =  720°
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3 years ago
PLEASE HELP WILL GIVE BRAINLIEST!
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Answer:

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Step-by-step explanation:

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