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solmaris [256]
3 years ago
8

Variable expression for length of time in minutes if you know the number s of seconds

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0
Length of time in minutes given time in seconds
minutes = seconds/60
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DA<br>Choose<br>True<br>False<br>26) A square is also a rectangle and a trapezoid.<br>False​
Sunny_sXe [5.5K]
False a square is a quadrilateral not a trapezoid
6 0
4 years ago
Maggie's brother is 8 years younger than four times her age. The sum of their ages is 67. How old is Maggie?
Nat2105 [25]
M + b = 67
b = 4m - 8

m + 4m - 8 = 67
5m - 8 = 67
5m = 67 + 8
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m = 75/5
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b = 4m - 8
b = 4(15) - 8
b = 60 - 8
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3 0
3 years ago
Adam and Kevin are standing 35 metres apart, on opposite sides of a flagpole. From Adam’s position, the angle of elevation of th
Nadusha1986 [10]
1. Lets' call:

 H: The height of the flagpole.
 x: The distance f<span>rom Adam’s position to the flagpole.
</span> y: The distance from Kevin’s position to the flagpole.

 2. So, we have:

 Tan(36°)=H/x ⇒ x=H/Tan(36°)    (i)

 Tan(50°)=H/y ⇒ y=H/Tan(50°)    (ii)

 3. We know that <span>Adam and Kevin are standing 35 meters apart. Then:
</span>
 x+y=35    (iii)

 4. Let's substitute (i) and (ii) in (iii):

 x+y=35
 H/Tan(36°)+H/Tan(50°)=35
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 5. When we clear "H", we obtain:

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 The answer is: 15.79 meters
4 0
3 years ago
Write an expression that is equivalent to 5(x + 2) - 7(x + 2)?
bekas [8.4K]

Answer:

-2x-4

Step-by-step explanation:

Just simplify

3 0
3 years ago
Read 2 more answers
5x-4-x=4(x+1) solve show steps
Jobisdone [24]
5x-4-x=4(x+1)
5x-4-x=4(x)+4(1)
(5x-x)-4=4x+4
4x-4=4x+4
   +4      +4
4x=4x+8
/4    /4
x = x+2
-x  -x
0=2
7 0
3 years ago
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