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Slav-nsk [51]
3 years ago
8

What is the area of the polygon given below

Mathematics
2 answers:
Ivan3 years ago
8 0

 

The area of the polygon is:

A = 2 × 12 + 14(12+2) + 3(12 + 2 + 3)

A = 2 × 12 + 14 × 14 + 3 × 17

A = 24 + 196 + 51

A = 220 + 51

A = 271 cm²

NARA [144]3 years ago
6 0

Answer:

B. 271 square units

Step-by-step explanation:

The area is the sum of 3 rectangles areas

step 1         12 * 19 = 228

step 2       3 * 3   = 9

step 3      2 * 17 = 34

Now, we add all the answers we got to get the area.

= 228 + 34 + 9 =   271 square units

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The perimeter of a rectangle is 42 inches. If the width of the rectangle is 6 inches, what is the length?
snow_lady [41]

Answer:

7

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
P(<br> b.=15/16,p(a and <br> b.=3/4 find p(a
Bess [88]
And or both means we multiply the given probability situations that are mutually exclusive and exhaustive - they cannot occur at the same time.

let P(a)=x

then: P(b) * P(a) =3/4

         15/16 * x = 3/4

          15x/16 = 3/4
therefore x= 3/4 *16/15
          x = 4/5
P(a) = 4/5

hope it's clear

6 0
3 years ago
What is the reciprocal of 8/5?
viva [34]

Answer:

5/8

Step-by-step explanation:

To find the reciprocal, flip the fraction. The sign remains the same.

The reciprocal of 8/5 is 5/8.

Answer: 5/8

4 0
2 years ago
Read 2 more answers
Jeremiah jogged 3 3/4 miles on Saturday morning and 2 1/2 miles Saturday evening. How many miles did he jog on Saturday?
Digiron [165]

Answer:

6.25 Miles

6 1/4

Step-by-step explanation:

3 + 2 = 5 MILES

1/2 you want the denominator to equal 4 so you times it by two

= 2/4

2/4+3/4= 5/4

this gives you one full mile and 1/4

add all together 5+1+1/4

I am picking this is right :)

7 0
3 years ago
Read 2 more answers
ASAP PLS!! i attached a link with a screenshot of the question. please give step by step!!!!! will mark brainliest :)
emmainna [20.7K]

Answer:

I found two different solutions. Hope one of them help!

1. x = -1/3 = -0.333

2. x = 5/2 = 2.500

Step-by-step explanation:

13 ± √ 289

  x  =    ——————

                     12

Can  √ 289 be simplified ?

Yes!   The prime factorization of  289   is

  17•17

To be able to remove something from under the radical, there have to be  2  instances of it (because we are taking a square i.e. second root).

√ 289   =  √ 17•17   =

               ±  17 • √ 1   =

               ±  17

So now we are looking at:

          x  =  ( 13 ± 17) / 12

Two real solutions:

x =(13+√289)/12=(13+17)/12= 2.500

or

x =(13-√289)/12=(13-17)/12= -0.333

Two solutions were found :

x = -1/3 = -0.333

x = 5/2 = 2.500

7 0
3 years ago
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