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Vikentia [17]
3 years ago
10

A pentagonal prism is cut be a plane perpendicular to the base . What is the shape of the cross section that is formed?

Mathematics
1 answer:
Allisa [31]3 years ago
3 0

Answer:

Step-by-step explanation:

The cross section will have the same shape as the base of the pentagonal prism; the dimensions will be proportionally smaller.

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Find the measure of the supplement of a 95 degree angle
maksim [4K]

Answer: it is 85 degrees

Step-by-step explanation:

8 0
4 years ago
Which line is the graph of y=1/2x+1?​
pentagon [3]

Answer:

Step-by-step explanation:

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5 0
3 years ago
√x-2=x-22<br> A. 29<br> B. 27<br> C. 26<br> D. 28
Elena-2011 [213]

Answer:

  B.  27

Step-by-step explanation:

Try the answers and see what works. It helps if the equation is written properly.

  √(27 -2) = 27 -22

  √25 = 5 . . . . . true

None of the other choices gives a rational value for √(x -2).

_____

<em>Comment on the question</em>

As written, the answer is x=25; not on your list. This is how we can tell the question is not written properly.

  √25 -2 = 25 -22

  5 -2 = 3 . . . . . true

6 0
3 years ago
Two gears are adjusted so that the smaller gear drives the larger one. if the smaller gear of 3.7cm rotates through an angle of
zepelin [54]

Answer:

<em>The larger gear will rotate through 156°</em>

Step-by-step explanation:

<u>Arc Length</u>

The arc length S of an angle θ on a circle of radius r is:

S = \theta r

Where θ is expressed in radians.

The smaller gear of r1=3.7 cm drives a larger gear of r2=7.1 cm. The smaller gear rotates through an angle of θ1=300°.

Convert the angle to radians:

\displaystyle \theta_1=300*\frac{\pi}{180}=\frac{5\pi}{3}

The arc length of the smaller gear is:

\displaystyle S_1=\frac{5\pi}{3}\cdot 3.7

\displaystyle S_1=\frac{18.5\pi}{3}

The larger gear rotates the same arc length, so:

\displaystyle S_2=\frac{18.5\pi}{3}

\displaystyle \theta_2\cdot r_2=\frac{18.5\pi}{3}

Solving for θ2:

\displaystyle \theta_2=\frac{18.5\pi}{3r_2}

\displaystyle \theta_2=\frac{18.5\pi}{3*7.1}

\theta_2=2.73\ radians

\displaystyle \theta_2=2.73*\frac{180}{\pi}=156

The larger gear will rotate through 156°

7 0
3 years ago
WILL MARK BRAINLEST IF CORRECT HELP ME OUT
sveta [45]

Answer:

x = 12

Step-by-step explanation:

Equation:    0.52(x) + 0.72(4) = 0.57(x + 4)

0.52(x) + 0.72(4) = 0.57(x + 4)             \longmapsto         Multiply

0.52x + 2.88 = 0.57x + 2.28               \longmapsto         Subtract 0.52x from both sides

2.88 = 0.05x + 2.28                            \longmapsto         Subtract 2.28 from both sides

0.6 = 0.05x                                          \longmapsto        Divide all sides by 0.05

 

x = 12

-Chetan K

6 0
2 years ago
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