3 years ago

Please help need answer for a quiz

Mathematics

1 answer:

torisob [31]3 years ago

5 0

Answer:

first one with -1...21

Step-by-step explanation:

only one that follows quadratic formula format

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A tin of baked beans costs 42p. Its price increases by 9% over the next 12 months. How much

Talja [164]

Answer:

46p

Step-by-step explanation:

42*1.09=45.78

45.78 rounded up is 46p

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3 years ago

5+2x+6=x +10 <br> Solve this equation and show ur work

Rama09 [41]

Answer:

x = -1

Step-by-step explanation:

5 + 2x + 6 = x + 10

11 + 2x = x + 10

-x -x

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3 years ago

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Natalie consumes only apples and tomatoes. Her utility function is U(x, y) = x 2y 8 , where x is the number of apples consumed a

Kamila [148]

Answer:

16 apples.

Step-by-step explanation:

$U(x, y) = x^2y^8$

$MU_x =\frac{\partial U}{\partial x} = 2xy^8\\MU_y = \frac{\partial U}{\partial x} = 8x^2y^7\\$

Price of apples, Px=$4

Price of tomatoes, Py=$3

Ratio of their Marginal Utilities

$\frac{MU_x}{MU_y} = \frac{Px}{Py}$

$\frac{y}{4x} = \frac{4}{3}$

$y=\frac{16x}{3}$

Since Natalie’s income is $320

320 = xPx+yPy

$320=4x + 3*\frac{16x}{3} \\320= 4x+16x = 20x\\x=\frac{320}{20} = 16\\Also\\y=\frac{16x}{3}=\frac{16X16}{3}=\$85.33$

Since x=16, Natalie will consume 16 apples.

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3 years ago

A 46.4 ml sample of a 1.08 M potassium chloride solution is mixed with 27.7 ml of a 1.1 M lead(II) nitrate solution and a precip

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Idk main math is pretty hard u know

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dexar [7]

1/10×1.0=0.1

answer: C

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