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wlad13 [49]
3 years ago
15

What is the value of 3-(-2)?

Mathematics
1 answer:
Fed [463]3 years ago
6 0

Answer:

6

Step-by-step explanation:

distribute the negative to ger 3(2), since a negative times a negative is positive. Then just multiply

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równanie zmiany prędkość autokaru poruszającego się po prostym odcinku szosy i rozpoczynającego hamowanie od szybkości 20m/s ma
Rasek [7]

Answer:

s = 22.5 m

Step-by-step explanation:

the equation for the speed change of a coach moving along a straight section of the road and starting braking at a speed of 20 m / s has the form v (t) = 25-5t. Using integral calculus, determine the coach's braking distance.

v (t) = 25 - 5 t

at t = 0 , v = 20 m/s

Let the distance is s.

s =\int v(t) dt\\\\s =\int (25 - 5t)dt\\\\s= 25 t - 2.5 t^2 \\

Let at t = t, the v = 20

So,

20 = 25 - 5 t

t = 1 s

So, s = 25 x 1 - 2.5 x 1 = 22.5 m

3 0
2 years ago
The function, y(r)=2.76r , is used to convert Russian rubles in Japanese yen, and the function, P(y)=0.16y , is used to convert
timurjin [86]

They probably want 880 pesos, since they asked you do intermediate rounding

but a more accurate answer would be
883.20 pesos

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5 0
3 years ago
Answer two questions about Equations A and B: A. 5x = 20
marusya05 [52]

Answer: 20/5

Step-by-step explanation:

Divide 20/5

8 0
3 years ago
tickets for the school play cost $ 8 each for adults and $ 3 for students.what was the cost of 2 adult tickets and 1 student tic
olga nikolaevna [1]
 the answer is $19,because you add the cost of 2 adult tickets 18$ and the cost of 1 student ticket 3$ and get 19$
5 0
3 years ago
A rectangular shelf with an area equal to x^2-16x+60 square units could have which possible dimensions for length and width
kenny6666 [7]

Answer:

Step-by-step explanation:

x²-16x+60

=x²-6x-10x+60

=x(x-6)-10(x-6)

=(x-6)(x-10)

so dimensions are x-6 and x-10.

8 0
3 years ago
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