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kotegsom [21]
3 years ago
7

The triangular prism has a base area of 6 square units and a volume of 63 cubic units. The pentagon-based prism has the same bas

e area and height, but its shortest edge is 2 units long instead of 3 units long. What is the volume of the pentagon-based prism?
Mathematics
2 answers:
Juliette [100K]3 years ago
5 0

Answer:

its A C and E hope this helps

Step-by-step explanation:

loris [4]3 years ago
3 0

Answer:

h = 21 unit ;

Volume = 630 unit³

Step-by-step explanation:

Given that :

Base area, B = 6 units²

Volume = 63 units³

Volume of triangular prism :

63 = 1/2 * base area * height

63 = 0.5 * 6 * h

63 = 3h

h = 63/3

h = 21 m

Volume of pentagonal prism :

V = 1/2(5 * side * apothem) * height

(1/2 * 5 * 6 * 2) * 21

(5 * 3 * 2 * 21)

= 630 unit³

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the floor of storage units is 24 feet long and 7 feet wide. what is the distance between two opposite corners of the floor?
asambeis [7]

you would us the pythagorean theorem to solve this. a^2 +b^2=c^2

a and b being the width and the length and c being the diagonal or hypotenuse.

7^2 + 24^2 =c^2

49 + 576 = C^2

625 = C^2 take the square root of both sides to get

C = 25 feet

8 0
3 years ago
1/4(X-10)=2X+1 <br><br> what is X?
In-s [12.5K]

Answer: x=-2

Step-by-step explanation:

\frac{1}{4}(x-10)=2x+1

Distribute 1/4

\frac{1}{4}x-\frac{1}{4}(10)=2x+1

\frac{1}{4}x-\frac{5}{2}=2x+1

add 5/2

\frac{1}{4}x-\frac{5}{2}+\frac{5}{2}=2x+1+\frac{5}{2}

\frac{1}{4}x=2x+\frac{1*2+5}{2}

\frac{1}{4}x=2x+\frac{2+5}{2}

\frac{1}{4}x=2x+\frac{7}{2}

Subtract 2x

\frac{1}{4}x-2x=2x-2x+\frac{7}{2}

\frac{1}{4}x-2x=\frac{7}{2}

\frac{1-2*4}{4}x=\frac{7}{2}

\frac{1-8}{4}x=\frac{7}{2}

-\frac{7}{4} x=\frac{7}{2}

Multiply by the negative reciprocal of -7/4 which is basically inverting the fraction -4/7

(-\frac{4}{7} )-\frac{7}{4} x=\frac{7}{2}(-\frac{4}{7} )

x=-\frac{28}{14}\\ x=-2

6 0
3 years ago
Mhanifa can you please help me with this? It’s due ASAP! Look at the picture attached. I will mark brainliest!
WITCHER [35]

Answer:

  • 8) 76°
  • 9) 88°

Step-by-step explanation:

  • <em>Sum of exterior angles of any polygon is 360°</em>
<h3>Exercise 8</h3>

<u>Sum of given angles:</u>

  • 2x + 60° + 64° + 36° + 48° = 360°
  • 2x + 208° = 360°
  • 2x = 360° - 208°
  • 2x = 152°
  • x = 76°
<h3>Exercise 9</h3>

<u>Sum of given angles:</u>

  • x + 90° + 109°+ 73° = 360°
  • x + 272° = 360°
  • x = 360° - 272°
  • x = 88°

4 0
3 years ago
Read 2 more answers
8.23 A manufacturing company produces electric insulators. You define the variable of interest as the strength of the insulators
Kitty [74]

Answer:

The 95% confidence interval estimate for the population mean force is (1691, 1755).

Step-by-step explanation:

According to the Central Limit Theorem if we have an unknown population with mean μ and standard deviation σ and appropriately huge random samples (n > 30) are selected from the population with replacement, then the distribution of the sample mean will be approximately normally.

The sample selected here is <em>n</em> = 30.

Thus, the sampling distribution of the sample mean will be normal.

Compute the sample mean and standard deviation as follows:

\bar x=\frac{1}{n}\sum x=\frac{1}{30}\times 51702=1723.4\\\\s=\sqrt{\frac{1}{n-1}\sum (x-\bar x)^{2}}=\sqrt{\frac{1}{30-1}\times 232561.2}=89.55

Construct a 95% confidence interval estimate for the population mean force as follows:

CI=\bar x\pm z_{\alpha /2}\times\frac{s}{\sqrt{n}}

    =1723.4\pm 1.96\times\frac{89.55}{\sqrt{30}}\\\\=1723.4\pm 32.045\\\\=(1691.355, 1755.445)\\\\\approx (1691, 1755)

Thus, the 95% confidence interval estimate for the population mean force is (1691, 1755).

3 0
3 years ago
A cube labeled 1 to 6, is tossed 6 times
slava [35]

Answer:

1/6

Step-by-step explanation:

If we're assuming that this is a six-sided die, then we can find that the results can be 1,2,3,4,5,6. Only 1 of those 6 numbers are 5, so the probability of the cube landing on 5 would be 1/6.

3 0
3 years ago
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