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3 years ago

12

Someone help pls!!!!!!!!!!!

1 answer:

Gemiola [76]3 years ago

7 0

The answer is no question for you lol

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How do you do <br> (x+y)(x-5y)+3(x+y)^2<br> ???? <br> Emergency, please help with full steps

Naddik [55]

Answer:

$4 {x}^{2} + 2xy - 2 {y}^{2}$

Step-by-step explanation:

$(x + y)(x - 5y) + {3(x + y)}^{2} \\ x(x - 5y) + y(x - 5y) + 3(x + y)(x + y) \\ {x}^{2} - 5xy + xy - 5 {y}^{2} + (3x + 3y)(x + y) \\ {x}^{2} - 4xy - 5 {y}^{2} + 3x(x + y) + 3y(x + y) \\ {x}^{2} - 4xy - 5 {y}^{2} + 3 {x}^{2} + 3xy + 3xy + 3 {y}^{2} \\ {x}^{2} - 4xy - 5 {y}^{2} + 3 {x}^{2} + 6xy + 3 {y}^{2} \\ {x}^{2} + 3 {x}^{2} - 4xy + 6xy - 5 {y}^{2} + 3 {y}^{2} \\ 4 {x}^{2} + 2xy - 2 {y}^{2}$

7 0

3 years ago

FOR 36 points!!!!! Helpppppp please I will make your brainiest!!!

Usimov [2.4K]

Answer: for A you would go down three than go right three times.

For B. you would go up 2 and go left 7 times

Step-by-step explanation:

I’m not good in math but that’s what my teacher told me

8 0

3 years ago

There are 2 Senators from each of 50 states. We wish to make a 3-Senator committee in which no two members are from the same sta

Scilla [17]

Answer:

2

Step-by-step explanation:

A state has 2 senators, so once you choose the state, there are 2 ways you can choose a senator from that state.

8 0

4 years ago

To charter a fishing boat for 3 hours the captain charges a base fee of 45.00 plus 15.00 per person using variables construct a

steposvetlana [31]

Answer:

$90.00

Step-by-step explanation:

Given

$c = 45.00$ --- base fee

$m = 15.00$ --- rate

$x = 3$ --- individuals

Required

Determine the total amount paid (y)

The relationship between the variables is:

$Total = Base\ Fee + Rate * Individuals$

$y = c + mx$

This gives:

$y = 45.00 + 15.00 * 3$

$y = 45.00 + 45.00$

$y = 90.00$

<em>Hence, the amount is $90.00</em>

4 0

3 years ago

The range of f(x)=5x2^x is all positive real numbers true or false

creativ13 [48]

Answer: true
Step by step-

6 0

4 years ago