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GREYUIT [131]
3 years ago
7

What is the angles mSRW?

Mathematics
1 answer:
Scilla [17]3 years ago
5 0

Answer:

126°

Step-by-step explanation:

(2x +18)° = (3x)°

2x + 18 = 3x

18 = 3x - 2x

18 = x

therefore, (3x)° = (3*18)°= (54)°

m\angle SRW + (3x)\degree = 180\degree \\m\angle SRW + 54\degree  = 180\degree \\m\angle SRW = 180\degree  - 54\degree  \\\huge\red{\boxed{m\angle SRW = 126\degree}}

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The cost function for q units of a certain item is ​C(q)equals109 q plus 90. The revenue function for the same item is ​R(q)equa
Tcecarenko [31]

Answer:

a) $109

b) P(q) = \frac{45q}{ln(q)} +90

c) $11.20

Step-by-step explanation:

a) The marginal cost, or the cost per additional unit, is given by the derivate of the cost function:

C(q) = 109q+90\\C(q) = \$109

b) Profit is given by Revenue minus Cost:

P(q) = R(q) - C(q)\\P(q) = \frac{45q}{ln(q)} +90

c) The marginal profit for 8 units, is given by the difference in profit for 9 units and 8 units:

M = P(9)-P(8)\\M= \frac{45*9}{ln(q)} +90 - (\frac{45*8}{ln(8)}+90 )\\M=\$11.20

6 0
3 years ago
How do i calculate the slope of the line between (-2, -4) and (-10, 5)
Goryan [66]
Look at the image. I need 20 characters lol
8 0
3 years ago
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Kryger [21]
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8 0
3 years ago
Julia is standing 2 feet away from a lamppost. If she casts a shadow of 5 feet and the light makes a 20° angle relative to the g
givi [52]

Answer:

2.5477 feet

Step-by-step explanation:

Refer the image attached to understand my solution.

BC = height of lamppost.

DE = Julia

AD = shadow of Julia

BD = 2 feet.      AD = 5 feet

BA = BD + AD

       = 2 + 5 = 7 feet

In ΔABC

tan 20° = \frac{BC}{BA}  = \frac{BC}{7}

BC = 7 * tan 20°

BC = 2.5477 feet

SO the height of lamppost = 2.5477 feet

5 0
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igor_vitrenko [27]
-6a-5=-95  Given
-6(15)-5=-95   Substitution
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Hope you have a nice day

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3 years ago
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