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MissTica
3 years ago
14

I need help ASAP PLEASE

Mathematics
2 answers:
Lilit [14]3 years ago
6 0

Answer:

13

Step-by-step explanation:

replace the numbers given for each variable: 7(2)=14+(-1)=13

levacccp [35]3 years ago
3 0

Answer:

13

Step-by-step explanation:

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What is the perimeter of rhombus WXYZ?
oksian1 [2.3K]

<u>Answer</u>:

The perimeter of rhombus WXYZ is 4 \sqrt{13}

<u>Step-by-step explanation:</u>

Step 1 :Finding length  of  XY

Distance formula  = \sqrt{(x_2-x_1)^2 +(y_2-y_1)^2}

here

x_1= 5

x_2=3

y_1= -1

y_2=2

XY  = \sqrt{(3-5)^2 +(2 -(-1))^2}

XY  = \sqrt{(3-5)^2 +(2 +1))^2}

XY  = \sqrt{(-2)^2 +(3))^2}

XY  = \sqrt{4 +9}

XY  = \sqrt{(13)}

Step 2 :Finding length  of  YZ

Distance formula  = \sqrt{(x_2-x_1)^2 +(y_2-y_1)^2}

here

x_1= 3

x_2=5

y_1= 2

y_2=5

YZ  = \sqrt{(5-3)^2 +(5-2)^2}

YZ = \sqrt{(2)^2 +(3)^2}

YZ = \sqrt{4 +9}

YZ  = \sqrt{(13)}

Step 3 : :Finding length  of  ZW

Distance formula  = \sqrt{(x_2-x_1)^2 +(y_2-y_1)^2}

here

x_1= 5

x_2=7

y_1= 5

y_2=2

ZW = \sqrt{(7-5)^2 +(5-2)^2}

ZW  = \sqrt{(2)^2 +(3)^2}

ZW  = \sqrt{4 +9}

ZW = \sqrt{(13)}

Step 4 :Finding length  of  WX

Distance formula  = \sqrt{(x_2-x_1)^2 +(y_2-y_1)^2}

here

x_1= 7

x_2=5

y_1= 2

y_2= -1

WX = \sqrt{(7-5)^2 +((-1)-2)^2}

WX  = \sqrt{(2)^2 +(-3)^2}

WX  = \sqrt{4 +9}

WX = \sqrt{(13)}

Step 5: finding the perimeter of the rhombus

Perimeter= 4 X side

=> 4 \times \sqrt{13}

=> 4 \sqrt{13}

5 0
3 years ago
Read 2 more answers
Will mark brainliest help please
Lelechka [254]
The answer is the second option y= -2x + 11
8 0
3 years ago
For what value of x must ABCD be a parallelogram? asap please!!
pochemuha
Parallelogram so
CD = AB
18x - 5 = 15x + 4
3x = 9
  x = 3

answer
x = 3
3 0
4 years ago
Read 2 more answers
you put $500 in an interest bearing bank account that pays 2% per year but has a fee of $2 per month. are you getting ahead?
sergij07 [2.7K]

Answer:

NO

Step-by-step explanation:

If the bank account has a fee of $2 per month, it means that at the end of the year you will have $500 - $2 × 12 = 476.

If it pays 2% per year, then, at the end of the year you will receive: $476×0.02 = $9.52.

If you go ahead you will lose money ($14,48) . In order to earn money, you need to put more money.

5 0
4 years ago
There are 16 books on a shelf. Four sixteenths of the books are about animals. Two and adventure. The rest are mystery. How many
lutik1710 [3]

Answer:

10 mystery books

Step-by-step explanation:

Animals:

Multiply the total number of books by the fraction of animal books

4/16*16

4 animal books

Adventure:

2 adventure books

Mystery:

Subtract the number of adventure and animal books from the total number of books

16-4-2

10

10 mystery books

Hope this helps! :)

4 0
4 years ago
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