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VashaNatasha [74]
3 years ago
5

Which equation correctly applies the distributive property?

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
6 0

Answer:

the answer is C. 100% i took the test and i pick the wrong answer and then when i reviewed it it said C

Step-by-step explanation:

ioda3 years ago
5 0

From the word itself distribution, the distributive property of equality states that a number must be distributed to all the numbers inside the parenthesis. From the given choices, the only correct answer is:

C. −3 ⋅ (6.48)=(−3⋅6) + (−3⋅0.4) + (−3⋅0.08) ​

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Find dy/dt for the equation below.<br><br> 7x^3+2xy+3y^3=3
castortr0y [4]

dy/dt is -\frac{(21x^2+2y)\frac{dx}{dt}}{2x+9y^2}

What is differentiation?

Differentiation is a method of finding the derivative of a function. Differentiation is a process, in mathematics, where we find the instantaneous rate of change in function based on one of its variables. The most common example is the rate change of displacement with respect to time, called velocity.

We can find the dy/dx as shown below:

7x^3+2xy+3y^3=3

differentiating with respect to t.

7\frac{d(x^3)}{dt} +2\frac{d(xy)}{dt}+3\frac{y^3}{dt}=0

7\frac{3x^2dx}{dt}+2y\frac{dx}{dt}+2x\frac{dy}{dt}+3\frac{3y^2dy}{dt}=0

21\frac{x^2dx}{dt}+2y\frac{dx}{dt}+2x\frac{dy}{dt}+9\frac{y^2dy}{dt}=0

(21x^2+2y)\frac{dx}{dt}+(2x+9y^2)\frac{dy}{dt}=0

(21x^2+2y)\frac{dx}{dt}=-(2x+9y^2)\frac{dy}{dt}

-\frac{(21x^2+2y)\frac{dx}{dt}}{2x+9y^2}=\frac{dy}{dt}

\frac{dy}{dt}=-\frac{(21x^2+2y)\frac{dx}{dt}}{2x+9y^2}

Hence, dy/dt is -\frac{(21x^2+2y)\frac{dx}{dt}}{2x+9y^2}

Learn more about differentiations here:

brainly.com/question/25081524

#SPJ1

6 0
2 years ago
Tommy charges $20 to mow a lawn. He will also trim bushes for an additional cost of $2 per bush. His goal is to earn at least $3
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Answer:

x ≥ 5

Step-by-step explanation:

$30 - (1 * $20)

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He needs to trim at least 5 bushes to make the extra $10 to reach $30.

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Answer:

D, 42

Step-by-step explanation:

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Cristian, iris, and Morgan each get an equal share of 1/2 of a pizza. Which model represents the fraction of the pizza each pers
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Model B or 1/3 of the Pizza

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