What's (5xty)-(4x-9)??? And what's 33.7y+8.4-2.04y??? And 4.2x+8.1x+1.8x-2.1x??? And x+2(x-y)???

Answers

Answer 1

Answer: You're first problem is unclear as I am not sure if that t was suppose to be there or not.

but as for the second one (33.7y+8.4-2.04y) we would first have to combine like terms so you'd subtract 2.04y from 33.7y , which would give you ; 33.66y so now your answer would be " 33.66y + 8.4 ",
there's nothing more you can do because they're seperate terms c: .

Your third problem ( 4.2x+8.1x+1.8x-2.1x ) is also combining like terms. Add the first 3 terms and that'll give you 14.1x , now subtract 2.1x and that'll give you "12x" as your final answer ~

For your fourth problem x+2 ( x-y ) , you would have to do something called factoring , basically all you gotta do is distribute term by term. So, x times x would give you x^2 , x times -y would give you -xy , 2 times x is 2x , and 2 times -y is -2y , so that'll look somethng like x^2 - xy + 2x - 2x . Now the 2x's cancel out
and you are left with "x^2 - xy" as your final answer ~

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!!!!!!!!!!!!!! PLEASE HELP ME !!!!!!!!!!The scatter plot shows the trade-in value and private-party value of 10 cars. The equation for the regression line is = 1.1x + 1.37. Based on the equation, which statement is true?

A. For each increase of $1000 in private-party value, the trade-in value increases by $1100.

B. For each increase of $1000 in private-party value, the trade-in value increases by $1037.

C. For each increase of $1000 in trade-in value, the private-party value increases by $1100.

D. For each increase of $1000 in trade-in value, the private-party value increases by $1037.

Answers

In the question, they GIVE you the equation for the line:

   y = 1.1 x + 1.37 .

When you look at the graph, you notice that the numbers
are actually thousands, so the equation is really

   y = (1.1 thousand) x + (1.37 thousand)
or
   y = 1,100 x + 1,370 .

The slope of the line is 1,100 .

Choice 'C' says that, because

the slope of any graph = (change in 'y') / (change in 'x') .

C. For each increase of $1000 in trade-in value, the private-party value increases by $1100.

because when you see the chart when the trade in value goes up so does the private party value. The chart shows 1,000 in trade in value increasing and then private party value also increase by 11,000.

For a certain experiment, the available experimental units are 12 people-six females

Answers

Answer:

Step-by-step explanation:

6 people are males

6 people are females

A boat travels 39 miles in 4 hours and 20 minutes. What is the speed of the boat in miles per hour?

Answers

Answer:

9.01 miles in 1 hour

Step-by-step explanation:

to get the answer first u need to do is turn the 20 mins to hours

well we can also turn the hour to mins and then turn it into hours

260 mins= 4.33 hours (rounded)

then 39/4.33= x/1

divided the top and bottom by 4.33

9.01/4.33 (rounded)

What is the simplist form of 240/1000

Answers

Divide by 100 to reduce it to 24/100

Now divide by 4 to get 6/25

The simplest form is 6/25

Which statement about vertical angles is false?A. They are formed by two intersecting lines
B. They share a common vertex
C. They share a common side
D. They are congruent

Answers

The answer is C..

They do not share a side at all.

Which equation is y = 3(x – 2)2 – (x – 5)2 rewritten in vertex form?

Answers

  y = 3(x - 2)² - (x - 5)²
  y = 3(x - 2)(x - 2) - (x - 5)(x - 5)
y = 3(x(x - 2) - 2(x - 2)) - (x(x - 5) - 5(x - 5))
y = 3(x(x) - x(2) - 2(x) + 2(2)) - (x(x) - x(5) - 5(x) + 5(5))
y = 3(x² - 2x - 2x + 4) - (x² - 5x - 5x + 25)
y = 3(x² - 4x + 4) - (x² - 10x + 25)
y = 3(x²) - 3(4x) + 3(4) - (x²) + (10x) - (25)
y = (3x² - 12x + 12) + (-x² + 10x - 25)
y = (3x² - x²) + (-12x + 10x) + (12 - 25)
y = 2x² - 2x - 13
  + 13 + 13
y + 13 = 2x² - 2x + 0.5
y + 13 + 0.5 = 2(x² - x + 0.25)
y + 13.5 = 2(x² - 0.5x - 0.5x + 0.25)
y + 13.5 = 2(x(x) - x(0.5) - 0.5(x) + 0.5(0.5))
y + 13.5 = 2(x(x - 0.5) - 0.5(x - 0.5))
y + 13.5 = 2(x - 0.5)(x - 0.5)
y + 13.5 = 2(x - 0.5)²
- 13.5 - 13.5
y = 2(x - 0.5)² - 13.5

Answer: on Edge its choice D or 2(x - 1/2)^2 - 27/2

Step-by-step explanation:

The other guy has the same answer just in decimal form and I'm a big brain boy so I helped out

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