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3 years ago

11

Someone pls help me /3

1 answer:

trasher [3.6K]3 years ago

3 0

Answer:

I found a similar question and answer to yes I don't know it it helps at all

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If 1/4x +2y= 11/4<br> and - 6y - x = 7, what is<br> half of y?

ioda

Answer:

y/2 = 4.5

Step-by-step explanation:

1/4x + 2y = 11/4

distribute by 4 to eliminate fractions

x + 8y = 11

+ <u>-x - 6y = 7</u>

2y = 18

y = 9

half of 9 = 4 1/2

8 0

3 years ago

The average ticket price for a concert at the opera house was $50. The average attendance was 4000. When the ticket price was ra

kotegsom [21]

Answer

given,

opera house ticket = $50

attendance = 4000 persons

now,

opera house ticket = $52

attendance = 3800 person

assuming these are the points on the demand curve

(x, p) = (4000,50) and (x,p) = (3800,52)

using point slope formula

$p-50 = \dfrac{50-52}{4000-3800}(x - 4000)$

$p-50 = \dfrac{-2}{200}(x - 4000)$

$p-50 = \dfrac{-x}{100}+ 40$

$p = \dfrac{-x}{100}+ 90$

R(x) = x . p

$R(x) = x (\dfrac{-x}{100}+ 90)$

$R(x) = \dfrac{-x^2}{100}+ 90x)$

$\dfrac{d}{dx}(R(x)) = \dfrac{d}{dx}(\dfrac{-x^2}{100}+ 90x))$

$\dfrac{d}{dx}(R(x)) = (\dfrac{-2x}{100})+90)$

at $\dfrac{d}{dx}(R(x)) = 0$

$\dfrac{-2x}{100}= -90$

x = 4500

$\dfrac{d^2}{d^2x}(R(x)) = -ve$

hence at x =4500 the revenue is maximum

for maximum revenue ticket price will be

$p = \dfrac{-4500}{100}+ 90$

p = $45

6 0

3 years ago

A triangle has side lengths of 6,8, and 9 what type of triangle is it

Strike441 [17]

9^2 < 6^2 + 8^2

so its acute angled.

5 0

3 years ago

Assume that Brad makes an initial investment of $2,000. Use your formula to find the final balance of the savings account after

svetlana [45]

Answer:

The formula is 2000 x (1 + Rate/100)^15

5 0

3 years ago

Use the quadratic formula to answer the question below.

ra1l [238]

Answer:

x = -2.32, 10.32 to the nearest hundredth.

Step-by-step explanation:

x^2 - 8x - 24 = 0

x = [ - (-8) +/- sqrt (((-8)^2 - 4*1*(-24)] / 2

= 4 +/- sqrt160/2

= 4 +/- 6.3245

= -2.32, 10.32.

6 0

3 years ago