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skelet666 [1.2K]
3 years ago
7

Which value of x satisfies the equation sin40=cosx

Mathematics
1 answer:
svp [43]3 years ago
6 0

Answer:

Try to use your calculator and just substitute values

Step-by-step explanation:

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Annie has two equal sized amounts of wax in two different colors she used 5/8 of the green wax and 1/3 of the blue wax to make s
lana66690 [7]
Find a common denominator that 8 and 3 can go into.. which is 24
5/8 = 1/3 
15/24 - 8/24 
7/24

Hope this helped


6 0
3 years ago
The sum of reciprocals of rehman’s ages 3 years ago and 5 years from now is 1/3. Find his present age
Afina-wow [57]

Answer:

His age is 7 years.

Step-by-step explanation:

Let Rehman's  present age be x years.

1 / (x - 3) + 1 /(x + 5) = 1/3

Multiply through by the LCD 3(x - 3)(x + 5):

3(x + 5) + 3(x - 3) = (x + 5)(x - 3)

3x + 15 + 3x - 9 = x^2 + 2x - 15

x^2 + 2x - 6x - 30 + 9 = 0

x^2 - 4x - 21 = 0

(x - 7)(x + 3) = 0

x = 7  (answer).

6 0
3 years ago
Hamburger sells for 3 pounds for 6$. If Samantha buys 10 pounds of hamburger, how much will she pay?
Afina-wow [57]
She will pay 20$ for 10 pounds of hamburger
3 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=785y%20%5Ctimes%20x%20%7C8%7C%20" id="TexFormula1" title="785y \times x |8| " alt="785y \times
steposvetlana [31]

The anwser is: 6280yx²

7 0
2 years ago
Read 2 more answers
You buy 6 pounds of apples for $33. what is the cost of 10 pounds of apples?
n200080 [17]
10 lbs of apples will cost $55

This is simple. First, you would need to find the unit rate, which is 5.5
You find the unit rate by simply dividing 33 by 6. Next, after you found your unit rate, you're going to multiply that by 10. We now know that 10 x 5.5= 55. Therefore, you will need $55 for 10 lbs of apples.

I hope I helped :)
7 0
3 years ago
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