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Bess [88]
2 years ago
8

Find the value of x and y.

Mathematics
1 answer:
Oxana [17]2 years ago
3 0

Answer:

x = 4

y = 12°

Step-by-step explanation:

Since each angles are equal ,

So each angle is 60°.

=> 5y = 60°

=> y = 60/5°

=> y = 12°

Again all sides will be equal ,

=> 5x - 6 = 3x + 2

=> 5x - 3x = 6+2

=> 2x = 8

=> x = 4

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the area of a rectangular book cover is 4x^2-6x-40. The width of the book cover is 2x-8. what is the length?
lyudmila [28]
Answer: 
2x+5

<span>4x^2-6x-40                        factor
2(2x+5)(x-4)                     multiply 
(2x+5)(2x-8) = area
2x+5 = length

</span>
6 0
3 years ago
Please help with part b
kotykmax [81]
I don't know what ur supposed to do but if u add them it equals 31.9 sorry if that's not what you have to do
3 0
3 years ago
Read 2 more answers
Easy math questions pls help
Anni [7]

Answer:

69  

Step-by-step ex planation:

6 0
2 years ago
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Ira Lisetskai [31]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Determine the values of k and p so that the solution is "All Reals" when solving for y:
Angelina_Jolie [31]

Answer:

The value of k is  \pm 9 and The value of p is - 23  

Step-by-step explanation:

Given equation as :

81 y - 17  = k² y + 6 + p

The equation has real solution ,

Now for real solution the equation have no solution

∵ The equation has no solution the ,

The coefficient of y must be equal

I.e 81 = k²

Or, k = \sqrt{81}

∴   k = \pm 9

Again , If the coefficient of y is same then the equation is written as

6 + p = - 17

or, p = - 17 - 6

or, p = - 23

Hence The value of k is  \pm 9 and The value of p is - 23   Answer

6 0
3 years ago
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