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2 years ago

10

Please help I’ll give 30 poins

2 answers:

azamat2 years ago

5 0

It will make a cube and the surface area is 125 I believe

5^3=125 therefore the surface area is 125

Jobisdone [24]2 years ago

3 0

Part a= cuboid

Part b= To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.*I tried my best sorry*

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Prove: In an equilateral triangle the three medians are equal.

svet-max [94.6K]

yes because it has equal sides

8 0

3 years ago

Lines that are perpendicular have slopes that are

Rus_ich [418]

Answer:

negative reciprocals of each other

6 0

3 years ago

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The volume of a cylinder is 400x cm. The radius of the base of the cylinder is 4 cm. What is the height of the cylinder

irina1246 [14]

Answer: 8cm

Step-by-step explanation:

$V=\pi r^2h$

Solve for h;

$h=\frac{V}{\pi r^2}$

$h=\frac{400cm^3}{(3.14)(4cm)^2}$

$h=7.96\\h=8$

3 0

3 years ago

Sedaia [141]

Answer:

$x = 18$

Step-by-step explanation:

Given

$\frac{x}{6} - 7 = -4$

Required

Solve for x

$\frac{x}{6} - 7 = -4$

Add 7 to both sides

$\frac{x}{6} - 7+7 = -4+7$

$\frac{x}{6} = -4+7$

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

Multiply through by 6

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

$x = 3 * 6$

$x = 18$

7 0

3 years ago

Zara has a rectangular garden. The length of her garden is 12 feet and the width is 7 feet. She extends the width

prisoha [69]

Given the perimeter and length of the garden, the width of the garden was extended by 4 feet

<h3>How to find width of the garden</h3>

Length of the garden = 12 feet
Width of the garden = 7 feet

Width extension =( 7 + w) feet

Perimeter = 46 feet

Perimeter = 2(length+ width)

46 = 2{12 + (7 + w)}

46 = 2(12 + 7 + w)

46 = 2(19 + w)

46 = 38 + 2w

46 - 38 = 2w

8 = 2w

w = 8/2

w = 4 feet

Learn more about perimeter:

brainly.com/question/24571594

4 0

2 years ago