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Korvikt [17]
3 years ago
9

If the arc length of a sector in the unit circle is

Mathematics
1 answer:
saul85 [17]3 years ago
4 0
Arc length is s=r x theta. The unit circle has r=1 so for an arc length of 3pi/2 the angle is 3pi/2 radians
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A company's revenue function and cost function are as follows: R(x) = 0.55x and C(x) = 10 + 0.05x. What is the minimum number of
Oduvanchick [21]

Answer:

Minimum number of units sold to make profit is equal to 20

Step-by-step explanation:

Revenue earned by the company as a function of number of units sold as x:

R(x) = 0.55x

Cost for selling units as a function of number of units sold as x:

C(x) = 10 + 0.05x

<em>Net profit earned by the company = (Revenue earned by the company) - (Cost of selling units)</em>

P(x) = (0.55x) - (10 + 0.05x)

P(x) = 0.55x - 10 - 0.05x

P(x) = 0.5x - 10

To earn profit the following condition should satisfy: P(x) ≥ 0

0.5x - 10 ≥ 0

0.5x ≥ 10

x ≥ \frac{10}{0.5}

x ≥ 20

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3 years ago
Write two pairs of decimals whose sums equals to 14.1
Ilia_Sergeevich [38]
6.5 + 7.6

8.4 + 5.7

ur welcome
5 0
3 years ago
A line passes through the points (2,-2) and (-6,2). The point (a.-4) is also on the line. What is the value of a?
Zigmanuir [339]

Answer:

<u><em>6</em></u>

Step-by-step explanation:

Hey there) The formula of your line is:

-2=2k+b\\2=-6k+b\\=>4=-8k\\k=-0.5\\=> b=-2+1=-1\\=>y=-\dfrac{1}{2}x-1\\

If point has y=-4, then:

-4=-\dfrac{1}{2}a-1\\4=\dfrac{1}{2}a+1\\a=6

Hope this helps) Have a nice day/night :)

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Solve using the substitution method 8x-2y=-14 5x+y=33 show work
SOVA2 [1]
13x - y = 19
-y = - 13x + 19
y = 13x + 19
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Evaluate the following expression when x = 31 and y = 28.<br> 3(x-7)3 + 128 - 35
ki77a [65]
I hope this is correct

4 0
3 years ago
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