MATHEMATICS HIGH SCHOOL

Subtracting 3xy2 from 8xy2 gives the same result as the expression. A. 3xy^2 - 8xy^2 B. -7xy^2 - 2xy^2 C. 7xy^2 - 2xy^2

Answers

Answer 1

Answer:

Answer:

Option (c) is correct.

$7xy^2-2xy^2$ is the correct expression

Step-by-step explanation:

Given : Expression $3xy^2$ and $8xy^2$

We have to subtract $3xy^2$ from $8xy^2$ and choose the correct expression from the given options.

Consider the given expressions $3xy^2$ and $8xy^2$

we have to subtract $3xy^2$ from $8xy^2$

Thus, while subtracting we write term after 'from' before.

Therefore, $8xy^2-3xy^2=5xy^2$ is the correct expression

Also subtracting $7xy^2-2xy^2=5xy^2$ gives same result.

So, option (c) gives the same result as obtained from given expression.

Answer 2

Answer: Subtracting 3xy² from 8xy² is 8xy² - 3xy² = 5xy²

Answer: C. 7xy² - 2xy² = 5xy²

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The perimeter of a triangle is 30 units. If it is dilated with respect to origin by a scale factor of 0.5, what is the perimeter of the resulting triangle?

What is the inverse f(x)= 2x+1

Answers

Answer:

f^-1(x) = (x - 1)/2

Step-by-step explanation:

f(x) = 2x + 1

y = 2x + 1

x = 2y + 1

2y + 1 = x

2y = x - 1

y = (x - 1)/2

f^-1(x) = (x - 1)/2

Find a4 in the sequence given by {a1=-3 and an=an-1+7

Answers

Answer:

a4 = -12

Step-by-step explanation:

1. Which event will have the greatest impact (positive or negative) on one's net worth after one month?Buy a used car at market value for $15,000
Buy a new car at market value for $15,000. Car depreciates 20% upon transfer of ownership.
Lease a $15,000 car on a 3 year lease. The monthly payment is $199 and all lease payments are required in the lease.
None of these events will impact the net worth of an individual

Answers

it is negative and when you decrepitcate20% of 15K, you get 3K

to get into her tree house, annabeth rests a ladder against the tree. the top of the ladder is 13 feet above the ground. the base of the ladder is 3 from the tree. what is the slope of the ladder

Answers

slope = rise/run
the ladder "rises" to 13 feet above the ground
the ladder "runs" 3 feet from the base of the ladder to the tree
so: slope = rise/run = 13/3

13-0
3-0
=
13/3
=
4 1/3
Rise over run you know, y1-y2 over x1-x2

True or false: Polar equations can describe graphs as functions, even when their equations in the rectangular coordinate system are not functions.

Answers

The statement above is true. Polar equations indeed can describe graphs as functions, even if when the equations in the rectangular coordinate system are not one of the functions. Polar equations can be graphed accurately using hands by using the Polar Coordinate System.

Answer:

The answer is true.

Step-by-step explanation:

A polar equation describes the relation between r and θ. Here 'r' is the distance from the origin to a point curve. 'θ' is the angle made by a point on a curve, the pole, and the positive x-axis.

So, the statement - Polar equations can describe graphs as functions, even when their equations in the rectangular coordinate system are not functions - is true.

The sum of two numbers is 100. The sum of 8 and the larger number is equal to 5 times the smaller number. What is the smaller number?