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Talja [164]
3 years ago
10

A rectangle has a perimeter of 82. If the width of the rectangle is one less than twice the length , find the width of the recta

ngle .
a. 12
b. 14
c. 23
d. 27
​
Mathematics
1 answer:
Volgvan3 years ago
7 0

Answer:

ans:- 14

Step-by-step explanation:

let length = x

so, width= 2x -1

perimeter= 2(l +b)

82 = 2(x+ 2x-1)

41 = 3x - 1

3x = 42

x = 14

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Solve the system of equations.<br> 7x + 6y = -1<br> --x + 2y = 3
Harrizon [31]

Answer:

X=-1

Y=1

Solve using Elimination.

Step-by-step explanation:

Multiply the second equation by 7.

The two equations are now:

7x+6y=-1

-7x +14y=21

Combine the two equations

7x and -7x cancel each other out, 14y+6y is 20y, and 21 - 1 is 20.

The equation is now

20y=20, divide 20 on both sides to get Y=1.

Now, substitute 1 as Y in the second equation for -x+2(1)=3

-x+2=3, can be simplified, by subtracting 2 from both sides. Giving us

-x=1.

Divide both sides by -1 for X=-1

Final answers being X=-1, Y=1

Hope this helps! Let me know if you have further questions!

7 0
3 years ago
Ashley recently opened a store that uses only natural ingredients. She wants to advertise her products by distributing bags of s
lakkis [162]

Answer:

5 hrs  19.57 Minutes will be taken to prepare 1575 Bags by Ashley & her 4 friends if Ashley take 2/3 minute to prepare a bag & her each friend takes 75% Longer

Step-by-step explanation:

Ashley Takes  2/3  minute to prepare a bag

=> ashley prepare bag in 1 minute = 3/2  

Her friends takes 75%  Longer to prepare a bag

time taken by her friends =  2/3  + (75/100)(2/3)

= (2/3)( 1  + 3/4)

= (2/3)(7/4)

= 7/6  Minutes

Her one friend prepare bag in 1 minute =  6/7

Bag prepared by Ashley & her 4 friend in 1 Minute

=  3/2  +  4*6/7

=  (21 + 48)/14

= 69/14  Bag

69/14   Bag prepared in 1 minute

1 Bag prepared in    14/69   minutes

1575  bags prepared  in   1575  * 14/69

= 319.57 minutes

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5 0
3 years ago
What are the x-intercepts of the graph of y = x 2 + 7x + 10?
Firdavs [7]

Answer:

A. (-5, 0) and (-2, 0)

Step-by-step explanation:

Assuming you mean x^2 + 7x + 10. Simply graph using Desmos and locate where the graph crosses the x-axis! :)

5 0
3 years ago
Plz help. I need number 6 and 7
Naily [24]
6 is at least 20 and i can't read 7.... but hope this helps any ^-^

3 0
3 years ago
2. Encuentra o solocion de la cocasion X²-x-30=0​
navik [9.2K]

Answer:

Step-by-step explanation:

Por aspa simple:

x²+x-30=0

X       +6

X        -5

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x=5

espero te sirva suerte en tus estudios :D

6 0
3 years ago
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