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ss7ja [257]
2 years ago
13

I need help with this math problem please!

Mathematics
1 answer:
spin [16.1K]2 years ago
7 0
D, because (5+y) and 8 are factors, and within (5+y), 5 and y are terms.
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HI PLEASE HELP ME WITH MY CALCULUS 1 HW? I AM REALLY STUCK. I need help with parts d,e,g.
asambeis [7]

(d) The particle moves in the positive direction when its velocity has a positive sign. You know the particle is at rest when t=0 and t=3, and because the velocity function is continuous, you need only check the sign of v(t) for values on the intervals (0, 3) and (3, 6).

We have, for instance v(1)\approx-0.91 and v(4)\approx0.91>0, which means the particle is moving the positive direction for 3, or the interval (3, 6).

(e) The total distance traveled is obtained by integrating the absolute value of the velocity function over the given interval:

\displaystyle\int_0^6|v(t)|\,\mathrm dt=\int_0^3-v(t)\,\mathrm dt+\int_3^6v(t)\,\mathrm dt

which follows from the definition of absolute value. In particular, if x is negative, then |x|=-x.

The total distance traveled is then 4 ft.

(g) Acceleration is the rate of change of velocity, so a(t) is the derivative of v(t):

a(t)=v'(t)=-\dfrac{\pi^2}9\cos\left(\dfrac{\pi t}3\right)

Compute the acceleration at t=4 seconds:

a(t)=\dfrac{\pi^2}{18}\dfrac{\rm ft}{\mathrm s^2}

(In case you need to know, for part (i), the particle is speeding up when the acceleration is positive. So this is done the same way as part (d).)

6 0
3 years ago
Tiffany started her homework at 5:20, if it took him 45 minuets to get done, what time did he get finished
never [62]

Answer:

6:05

Step-by-step explanation:

5:20+40= 6:00

6:00+5= 6:05

5 0
3 years ago
Read 2 more answers
Rectangle a has area 40 cm square and length 8 cm. the area of rectangle b is one half the area of rectangle
lesya [120]
Area of rectangle b=1/2 area of rectangle a=40/2=20 cm²
Length=8 cm 
Width of rectangle b=20/8 =2.5 cm
5 0
2 years ago
What is the translation for 16.5 units right
Alexeev081 [22]
To take 16.5 units from zero to the right on a number line.
3 0
3 years ago
Please help. I will give five stars and 10 points for correct answer with explanation.
anygoal [31]

Answer:

A: It has no solution

Step-by-step explanation:

1. 3/4z - 1/4z + 3 = 2/4z + 5

2. 2/4z +3 = 2/4z + 5

3. 3 = 5 (No solution because 3 can never be equal to 5)

7 0
2 years ago
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