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3 years ago

14

A group of 3 children can make 40 cups of lemonade to sell at their lemonade stand in an hour. When another child is added, they

are able to make 34 cups of lemonade in an hour. Calculate the marginal product of adding the 4th child.

1 answer:

expeople1 [14]3 years ago

4 0

Answer:

more profit lol im not taking this seriously but its makes more profit thou sorry

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It takes 27 pounds of seed to completely plant a 3-acre field. How many pounds of seed are needed per acre?

Ray Of Light [21]

Answer:

9 pounds of seed per acre.

Step-by-step explanation:

All you have to do is division. It takes 27 pounds of seed to make 3 acres, so 27 divided by 3. That gives you 9.

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3 years ago

The total current of a parallel circuit is 9+j2 amps and the current of one component of the circuit is 3−j5 amps. What is the c

stealth61 [152]

Apply law of total resistance in parallel circuit

$\\ \tt\hookrightarrow \dfrac{1}{R}=\dfrac{1}{R_1}+\dfrac{1}{R_2}$

$\\ \tt\hookrightarrow \dfrac{1}{9+2J}=\dfrac{1}{3-5j}+\dfrac{1}{R_2}$

$\\ \tt\hookrightarrow \dfrac{1}{R_2}=\dfrac{1}{9+2J}-\dfrac{1}{3-5J}$

$\\ \tt\hookrightarrow \dfrac{1}{R_2}=\dfrac{3-5J-9-2J}{(9+2J)(3-5J)}$

$\\ \tt\hookrightarrow R_2=\dfrac{(9+2J)(3-5J)}{-6-7J}$

4 0

2 years ago

Dima020 [189]

Answer:

Step-by-step explanation:

a) sub in 600 for 6

600-25/40 =14.375

b) switch x and y

x=y-25/40

Solve for y

40x=y-25

y=40x+25

c)Plug in 2.5 for z(x)

2.5= x-25/40

100=x-25

x=125

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3 years ago

Algebra 2 - Grade 11

saveliy_v [14]

Answer:

for the first equation

f(-3) = 34

f(4) = 6

for the 2nd equation

f(-3) = -56

f(4) ÷ 70

Step-by-step explanation:

my work is attached in a picture.

all you do is substitute each x value into each equation

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3 years ago

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MAVERICK [17]

7720 + 80x = 3200 + 120x

I think this is correct. Hope it helps!

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3 years ago