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lara [203]
3 years ago
15

Explain please. .........

Mathematics
2 answers:
timofeeve [1]3 years ago
4 0
It means -1x - 2 = 3 those bars make all the number positive
Alecsey [184]3 years ago
4 0
If you have an absolute value side of an equation, the opposite side can be positive or negative. just work out the equation from there.
Hope this helps!
Vote me brainliest!

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Jim can read 17 pages in 12 minutes. If he can maintain this pace, how many pages can he read in one hour?
Lostsunrise [7]
Answer: 85 pages
cross multiply 60 x 17 = 1020 / 12 = 85

17 85
— = —
12 60
7 0
3 years ago
The legs of a 45-45-90 triangle have a length of eight units. What is the length of its hypotenuse?
Feliz [49]
The hypotenuse of a 45 45 90 triangle equals one of the legs times the square root of 2
hypotenuse = 8 * <span> <span> <span> 1.4142135624 </span> </span> </span>
hypotenuse = <span> <span> <span> 11.3137084990 </span> </span> </span>

Source:
http://www.1728.org/trig2.htm


6 0
3 years ago
A particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find th
Lena [83]
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<span>f'(t) = d/dt(t^-1) - t) = d/dt(t^-1) - d/dt(t) </span>
<span>f'(t) = -1(t^-2) -1
= -t^-2 - 1 </span>
<span>f'(t) = v(t),
It can be also written as : 
-1/t^2 - 1 </span>

<span>So v(3) = -1/(3^2) - 1 = -1/9 - 1 = -10/9</span>
8 0
3 years ago
Which of the following is the equation of a circle with center (5, -2) and a radius of 3? (1 point)
Oksi-84 [34.3K]
\bf \textit{equation of a circle}\\\\ &#10;(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2&#10;\qquad &#10;\begin{array}{lllll}&#10;center\ (&{{ h}},&{{\ k}})\qquad &#10;radius=&{{ r}}\\&#10;&5&-2&3&#10;\end{array}
8 0
4 years ago
Read 2 more answers
2(a=4)=2a-8+4a solve for a
Naddik [55]

Answer:

a = 0.

Step-by-step explanation:

2(a - 4) = 2a - 8 + 4a

2a - 8 = 2a - 8 + 4a

2a - 2a - 4a = -8 + 8

-4a = 0

a = 0.

8 0
3 years ago
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