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4 years ago

Combine like terms and simplify the expression 2y^2 -3y^3-6y2+5y^3 H E L P

Mathematics

1 answer:

ludmilkaskok [199]4 years ago

7 0

Hi,

Let's simplify step-by-step.

2y^2−3y^3−6y^2+5y^3

=2y^2+−3y^3+−6y^2+5y^3

Combine Like Terms:

=2y^2+−3y^3+−6y^2+5y^3

=(−3y^3+5y^3)+(2y^2+−6y^2)

=2y^3+−4y^2

Answer:

=2y^3−4y^2

Have a great day!

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How do you divide 3/8 by 6/7 in simplest form

Ipatiy [6.2K]

Answer:

7/16

Step-by-step explanation:

First, it is good to know that when you divide fractions, you are multiplying it's reciprocal.

6/7's reciprocal is 7/6, since the reciprocal is $\frac{1}{6/7}$

3/8 / 6/7 =

3/8 * 7/6

Now that we have that, we can just multiply the two:

3/8 * 7/6 =

21/48 =

7/16

Hope this helped :)

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3 years ago

ASAP classify each pair of numbered angles .

ANEK [815]

Angle pair 1 and 2 are vertical.
Angle pair 5 and 6 are adjacent.

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3 years ago

Read 2 more answers

John is twice as old as Mary. The sum of their ages is 21. How old is Mary? Let J = John's age and M = Mary's age. Select the sy

AnnZ [28]

ANSWER

The system of equations are,

$J - 2M = 0$
and

$J + M = 21$

EXPLANATION

Let J = John's age and M = Mary's age

The first statement says,

"John is twice as old as Mary."

We can write this mathematically as,

$J = 2M$

or

$J - 2M = 0...eqn1$

The second statement says,

"the sum of their ages is 21." Mathematically, we can write this one too as,

$J + M = 21...eqn2$

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3 years ago

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Calculate dy/dx if Ln (x + y) = ex/y

Margaret [11]

Assuming that the given expression is $ln(x+y)= e^{x/y}$

You calculate dy / dx = y' as:

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-------. y' = e^(x/y) * (-x/y^2)
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=> y' = e^(x/y) * (-x/y^2) * (x + y).

Answer dy / dx = - e^(x/y) (x/y^2) (x+y)

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3 years ago

A businessman has 10 employees. His salary is equal to 6 times the average of employees salaries. If the 11 of them receive a to

ANTONII [103]

x = business man's salary
y = employee's salary

x + 10y = 64000
x = 6y

6y + 10y = 64000
16y = 64000
y = 64000/16 = 4000

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x = 24000

business man's salary was $24,000

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3 years ago