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lys-0071 [83]
2 years ago
7

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

Mathematics
2 answers:
Soloha48 [4]2 years ago
6 0

Answer:

49.84

Step-by-step explanation:

Hope it helped!

kumpel [21]2 years 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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twice the sum of the number and negative seven is eight. Find the number. Round your answer to the nearest integer, if necessary
Ugo [173]

The number that twice the sum of it and negative seven is eight is 11.

<h3>How to find the number ?</h3>

Twice the sum of the number and negative seven is eight. The number can be found as follows:

let

the number  = x

According to the word expression, twice the value of  the addition of x and minus seven is equals to 8. Hence, we will find the value of x in the equation formed from the words expression.

The variable x is the required number.

Therefore,

2(x + (-7)) = 8

2(x - 7) = 8

open the brackets

2(x - 7) = 8

2x  - 14 = 8

add 14 to both sides of the equation

2x  - 14 = 8

2x  - 14 + 14 = 8 + 14

2x = 22

divide both sides by 2

x = 22 / 2

x = 11

learn more on numbers here: brainly.com/question/11234992

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3 0
1 year ago
What goes into 55 and 11
soldier1979 [14.2K]
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