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lys-0071 [83]
1 year ago
7

13. Find the surface area of the triangular prism shown.​

Mathematics
2 answers:
Soloha48 [4]1 year ago
6 0

Answer:

49.84

Step-by-step explanation:

Hope it helped!

kumpel [21]1 year ago
3 0

Answer:

56

Step-by-step explanation:

The triangular prism has 5 sides. We will find the area of each individual side and add them together.

Sides 1 and 2: The triangles

These triangles have base 6 and height 4. Use the area of a triangle formula A=1/2*base*height=1/2*6*4 = 12 to get the area of each one.

Sides 3 and 4: The rectangular sides other than the base

These are rectangles with length 5 and width 2. A = 10.

Side 5: The base

This is a rectangle of length 6 and width 2. A = 12.

Adding it all up:

12+12+10+10+12 = 56.

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grin007 [14]
Yes, the 36" shelf can hold all 24 books.  As 5/4=1.25" meaning, you take 1.25X24=30".  So 24 books only take up 30 inches of a 36 inch shelf.

5 0
3 years ago
Which of the following sets of numbers could represent the three sides of a triangle?
olchik [2.2K]

Answer:

i'm not sure but i think its 7,14,21

Step-by-step explanation:

7,14,21

6 0
2 years ago
If Maliyah won 25 games and llost 10 what would be the ratio for the games lost to total
Alla [95]

Answer:

10:35

Step-by-step explanation:

4 0
3 years ago
if you deposit $8000 into an account paying 9% annual interest compunded semi anually how long will it take for your money to do
Anna007 [38]

Answer:

7.87 years

Step-by-step explanation:

#First we determine the effective annual rate based on the 9% compounded semi annual;

i_m=(1+i/m)^m-1\\\\=(1+0.09/2)^2-1\\\\=0.09203

#We then use this effective rate in the compound interest formula to solve for n. Given that the principal doubles after 2 yrs:

A=P(1+i)^n\\\\A=2P, i=i_m\\\\16000=8000(1.09203)^n\\\\2=1.09203^n\\\\n=\frac{log \ 2}{log \ 1.09203}\\\\=7.87324\approx7.87 \ yrs

Hence, it takes 7.87 years for the principal amount to double.

4 0
3 years ago
What are the solutions to this problem? (use the quadratic formula and i)<br><br> -2x^2+5x-11=0
Sever21 [200]

Step-by-step explanation:

The quadratic formula is:

x = \frac{-b \pm\sqrt{b^2-4ac} }{2a}\\

A, in this case, is -2.

B is 5

C is -11

x = \frac{-5 \pm\sqrt{5^2-4(-2)(-11)} }{2(-2)}

x = \frac{-5\pm\sqrt{25 -88} }{-4}\\

x = \frac{-5\pm\sqrt{-63}}{-4}

x = \frac{-5+i\sqrt{63} }{-4} and \frac{-5-i\sqrt{63} }{-4}

We can break up the fraction to make it easier on our eyes

x = \frac{5}{4}\pm\frac{i\sqrt{63} }{4}

\frac{\sqrt{63} }{4} ≈1.9843

x = 1.25 + 1.9843i\\1.25 - 1.9843i

7 0
2 years ago
Read 2 more answers
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