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3 years ago

Can anyone help i’m in desperate need!?

Mathematics

1 answer:

Murljashka [212]3 years ago

5 0

Answer:

1. coplanar

2. line segment

3. plane

4. ray

5. postulate

6. undefined terms

7. coplanar

8. point

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The formula for the area of a triangle is . What is the length of the base, b, of a triangle with an area, A, of 110 m2 and a he

vodka [1.7K]

Answer:

b = 22 m

Step-by-step explanation:

The formula for calculating the area (A) of a triangle is

A = $\frac{1}{2}$ bh

multiply both sides by 2 to eliminate the fraction

2A = bh ( divide both sides by h )

b = $\frac{2A}{h}$ , hence

b = $\frac{2(110)}{10}$ = $\frac{220}{10}$ = 22 m

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3 years ago

Please help i need to move on:(

leonid [27]

I think it’s the second one

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3 years ago

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5. The length of a rectangle is 5 centimeters less than twice its width. The perimeter of the rectangle (1 point)

andriy [413]

Answer:

Length = 25 cm , Width = 15 cm.

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3 years ago

What point is on the line 5x=30+2y

devlian [24]

Answer:

an infinite points?? like theres too many do you want an example of a point on there??

Step-by-step explanation:

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3 years ago

The formula for the volume V of a cylinder is LaTeX: V=\pi r^2hV = π r 2 h, where r is the radius of the base anThe formula for

Alekssandra [29.7K]

Answer:

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

$h = 4 cm$

Step-by-step explanation:

Volume of cylinder is given as $V = \pi r^2 h$

V is the volume the cylinder, r is its radius at the base, while is its height.

To select the formula for h (height) let's make h the subject of the formula as follows:

$V = \pi r^2 h$

$\frac{V}{\pi r^2} = \frac{\pi r^2 h}{\pi r^2}$ (dividing both sides of the equation by $\pi r^2$ )

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

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

Use the formula above to find the height of the given cylinder where Volume (V) = 36π cm³, and base radius (r) = 3 cm:

$h = \frac{36 \pi}{\pi 3^2}$ (substitution)

$h = \frac{36 \pi}{\pi * 9}$

$h = \frac{36 \pi}{9 \pi}$

$h = \frac{36 \pi}{\pi * 9}$

$h = \frac{36}{9}$ ( $\pi$ cancels $\pi$ )

$h = 4 cm$

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3 years ago