Polynomials - Put in descending order in terms of x:12x²y³ - 6x³y² + 3y - 2x

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Answers

Answer 1

Answer: -6x^3y^2 + 12x^2y^3 - 2x + 3y is the answer. what the question is asking for you to do is rewrite the polynomial in order with the first group being the x with the largest exponent and the last being the group with the smallest exponent. the first 3 are easy to see bc the exponents go from 3 to 2 to 1. the last one however does not have a visual x component which makes it somewhat more complicated. the last group can be rewritten as 3yx^0 bc any number to the zero power is 1. this means that the last group has an x to the power of zero, thus putting it last in descending order

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Algebra Homework Question

I ONLY NEED HELP WITH PART BAn equation is shown below:

5x + 3(x – 5) = 6x + 2x – 15

Part A: Solve the equation and write the number of solutions. Show all the steps. (6 points)

Part B: Name one property you used to solve this equation. (4 points)

Answers

Hi there

5x+3(x-5)=6x+2x-15

Simplify both sides of the equation

5x+3(x-5)=6x+2x-15

Distribute

5x+3x-15=6x+2x-15

Combine like terms

(5x+3x)-15= (6x+2x)-15

8x-15=8x-15

Subtract 8x from both sides

8x-15-8x=8x-15-8x

-15=-15

Add 15 to both sides

-15+15=-15+15

0=0

All real numbers are solutions

To solve this equation I used " The distributive property"

I hope that's help !

Good night !

Megan bought 50 beads for $9.95. she received a 10% discount, she paid a sales tax of 6%. how much did she pay fro the beads

Answers

$9.49; 10% of $9.95 is $0.995 which rounds up to a dollar; $9.95 - $1.00 = $8.95; 6% of $8.95 = $0.537 which rounds up to $0.54, so total paid is $8.95 + $0.54 = $9.49.

What is the parallel to the line x=15 and contains the point (-1,5)

Answers

$Look\ at\ the\ picture.\n\nx=-1\ is\ parallel\ to\ the\ x=15\ and\ contains\ the\ point\ (-1;\ 5)$

The line x=15 is the line parallel to the axis OY.
So the paralel lines to the line x=15 are parallel to the axis OY, so their equations are x=a, where "a" is a real number.
Here you've got point (-1,5) so x-coordinate is x=-1,
So equation this line is x=-1
....

Scientific notation for 9,081,000

Answers

9,081,000 in scientific notation = 9.081 x 10^6
You try to get a number from 1-10, and you keep moving the decimal in order to accomplish this.
9.081 is in between 1-10. You moved the decimal 6 times, so its 10^6!

Answer:

9.081 x 10^6

Step-by-step explanation:

Now, 10^6 is 1,000,000.

and, 9.081 x 1,000,000 is 9,081,000.

so, 9.081 x 10^6.

The price of an item has dropped to $102 today. Yesterday it was $120. Find the percentage decrease.

Answers

Using cross multiplication, 102/120=x/100 ---> 120x=10200 divide the entire problem by 120 ---> 85. 102 is 85% of 120, so the item has dropped in price by 15%

Final answer:

The decrease in price is $18. The percentage decrease is calculated by dividing the decrease by the original price and multiplying by 100, which results in a 15% decrease.

Explanation:

The problem involves finding the percentage decrease of a price from $120 to $102. The first step is to find out how much the price decreased. This involves subtracting the new price ($102) from the original price ($120), which gives us an amount of $18. Now, the percentage decrease is computed by dividing this decrease ($18) by the original price ($120) and multiplying the result by 100. Hence, Percentage decrease = ($18 / $120) * 100% = 15%.

Therefore, the price has decreased by 15% from yesterday to today.

Learn more about percentage decrease here:

brainly.com/question/35705707

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