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jeyben [28]
3 years ago
11

Find n. Use the pictures for more info

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
8 0

9514 1404 393

Answer:

  A.  5

Step-by-step explanation:

The base AB is twice the length of the midsegment CD.

  8n +10 = 2(5n)

  8n +10 = 10n . . . . . eliminate parentheses

  10 = 2n . . . . . . . . . subtract 8n

  n = 5 . . . . . . . . . . . divide by 2

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(3)/(2x+3)=(2)/(10x+4)
RoseWind [281]

Answer:

x = -3/13

Step-by-step explanation:

cross multiply

4x + 6 = 30x + 12

combine like terms

-6 = 26x

x = -6/26 = -3/13

7 0
3 years ago
A geologist noticed that a land along a fault line moved 24.8 centimeters over the past 175 years . On average, how much did the
olasank [31]

Answer:

On average, the land moved 0,14 cm each year.

Step-by-step explanation:

To know how much did, on average, the land move,  we should divide the total number of cm over the total number of years:

x=24.8 cm/175 years

x=0,1417 cm each year

If we divide years over cm we will get x in years each cm, which is wrong.

Because the problem asks for the answer rounded to the hundredths place:

x= 0,14 cm each year

8 0
3 years ago
Work out the surface area of this cylinder.<br> Radius= 12 cm<br> Height= 35 cm
Ad libitum [116K]
3543.72 cm^2.

Hopefully it helped ya
7 0
3 years ago
Which of the following represents the prime factortzation of 72?
rjkz [21]

Answer:

2³ x 3²

Step-by-step explanation:

The prime factorization of a number is the process of breaking down a number to a set of prime numbers that their product will give the original number:

          72

      2   x    36

      2 x 2 x 18

      2 x 2 x 2 x 9

       2 x 2  x 2 x 3 x 3

So;

  The prime factorization is 2³ x 3²

8 0
3 years ago
For what is the value of the rational expression below? X+20/x+4
Rus_ich [418]

Answer:

(4 + 20) / (4 + 4)  

= 24 / 8  

= 3

5 0
3 years ago
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