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Andrews [41]
3 years ago
8

1. x² - 1 + y(y - 2x)​somebody plz help meeeeeeeeeeeeeeeeeeeeeee

Mathematics
2 answers:
Nostrana [21]3 years ago
5 0


Step1:Multiply each term in the parentheses by y.


Step2: calculate the product

lawyer [7]3 years ago
4 0

Answer:

{(x + y)}^{2}  - 1

Step-by-step explanation:

{x}^{2}  + y(y - 2x) - 1

{x}^{2}  +  {y}^{2}   - 2xy - 1

Using the identity (a - b)^2 here ,

{(x + y)}^{2}  - 1

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Calculate the total cost of an item bought at a negotiated price of $15,640 and a $2,500 trade-in-allowance. The sales tax is 7.
Fofino [41]
Hey! :)

The total cost of the item is the second choice which is $14,372.08. I arrived to the answer by simply: 
1) multiplying the sales tax to the negotiated price (15640*.072 = 1126.08) 
2) adding the sales tax to the negotiated price and the registration as well (15640+1126.08+106= 16872.08)
3) subtracting the trade in allowance from the computed value (16872.08 - 2500 = 14372.08)
Hope this helps! :)
5 0
3 years ago
What is 2 plus 2 cuz idk
kondor19780726 [428]

Answer:4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A square lawn has area 800ft^2. A sprinkler placed at the center of the lawn sprays water in a circular pattern as shown in the
mestny [16]

I'm pretty sure your radius is 14.14'

3 0
3 years ago
George bought socks for "$"300 and planned to sell them for $6 a pair. write an inequality to find the minimum number of socks h
Anit [1.1K]

The inequality <u>6s - 300 > 210</u> represents the minimum number of socks (s) when George bought socks for "$"300 and planned to sell them for $6 a pair, and want to make a profit of more than 210.

In the question, we are given that George bought socks for $300.

Therefore, George's total cost = $300.

We assume the number of pairs of socks George sells to be s.

The unit price per pair quoted by George = $6

Therefore, George's total sales = $6s.

We know that the profit over a transaction is given as the difference between sales and costs, that is,

The profit = The total sales - the total costs,

or, profit = 6s - 300.

In the question, we are required to make a profit of more than 210.

This can be shown by the inequality,

6s - 300 > 210.

Thus, the inequality <u>6s - 300 > 210</u> represents the minimum number of socks (s) when George bought socks for "$"300 and planned to sell them for $6 a pair, and want to make a profit of more than 210.

Learn more about inequalities at

brainly.com/question/24372553

#SPJ4

5 0
1 year ago
2. Find the volume of the prism. Round to the nearest tenth.
natita [175]

\huge\mathcal\pink{ANSWER}

\mathsf \purple{ v = \frac{1}{2} (a + b) \times h \times l}

\mathsf \pink{v =  \frac{1}{2} (5 + 12) \times 6.1  \times 16}

\mathsf \purple{v =  \frac{1}{2} (17) \times 6.1 \times 16}

\mathsf \pink{v = 8 \frac{1}{2}  \times 6.1 \times 16}

\mathsf \purple{v = 829.6 {mi}^{3} }

7 0
2 years ago
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