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goldenfox [79]
3 years ago
10

WILL GIVE BRAINLIEST AND 30 POINTS

Mathematics
2 answers:
Marrrta [24]3 years ago
7 0

Answer:

210

Step-by-step explanation:

Dima020 [189]3 years ago
5 0

Answer:

i think 210

Step-by-step explanation:

thanks for points

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(h) when is the particle speeding up? (enter your answer using interval notation.) (2,4)∪(6,8) incorrect: your answer is incorre
OverLord2011 [107]
The position of the particle as function of time is given as
f(t)=cos( \frac{\pi t}{4} )

The velocity as function of time is
v(t)= - \frac{\pi}{4} sin( \frac{\pi t}{4} )

A graph of f(t) versus t and of v(t) versus t is shown below.
The velocity increases in the intervals t = (2, 6) and t = (10, 14) and with a periodicity of 8.

In the range t = [0, 16], the velocity increases in the interval t = (2,6)∪(10, 14).

Answer: (2,6)∪(10,14)

3 0
4 years ago
The Kelvin scale is an absolute temperature scale that can be used to calculate percent change in temperatures.The formula to co
Luda [366]
30 is the answer...........................






4 1
3 years ago
Solve the following systems of inequalities and select the correct graph:
zaharov [31]
We can replace the inequality with qual sign:
2x - y = 4
x + y = -1
We can combine both question
3x = 3
x = 1
Since we know x = 1, we can solve for y by plug in in either equation:
x + y = -1
1 + y =-1
y = -2
or
2x - y = 4
2(1) - y = 4
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y = -2

So the solution of this system of equation is the coordinate (1, -2)
8 0
3 years ago
40% of 6/12ths = how many 12ths or exact fraction?
Katen [24]
40% of 6/12 would be 20%
5 0
3 years ago
Show all work please!
tino4ka555 [31]
Length of DA: 90°
They are placed on a obtuse angle, which is 180° and DA are also placed on a right angle, so that means 180°-90°=90°

Length of AB: 180°
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ADF=BDE because, both of them are right angles. This means their degrees will equal (90°=90°).

Hopefully this helps, sorry if I turn out to be wrong!
3 0
3 years ago
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