(2x^+3x-4)+(x²-x-2) help me please!

Answers

Answer 1

Answer: you would want to make it into an addition problem that looks like this:
2x²+3x-4
+ x² - x - 2
___________
3x² + 2 - 6

Answer 2

Answer: 2x²+3x-4
- x² -x -2
--------------
x²+2x-6

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Help! Thanks!!!!!!!!!!!

A 10 miles per hour
b 15 miles per hour
c 30 miles per hour
d 65 miles per hour

Answers

Answer: B) 15 mph

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Explanation:

The equation d = 65t means that the rate is r = 65. So Malcolm's family travels at an average rate of 65 mph. Note this is the slope of the line.

The graph has a slope of 50 because each time we go up 50, we move to the right 1. Ie, slope = rise/run = 50/1 = 50. You could use the slope formula to get the same result.

Since the graph has a slope of 50, this means Theo's family is going at an average speed of 50 mph.

Subtract the two speeds to get 65-50 = 15 mph

1982 2016 how many year

Answers

the correct answer is 34 years

2016 - 1982 =34 si it's a 34 Year difference.

What is the graph of the equation? y=-2

Answers

Your answer would look like this

The answer is D because it is a horozontal line crossing the Y-axis at the point (0,-2)

A(n) ________ is a shorthand notation for repeated multiplication of the same factor.

Answers

An exponent is a shorthand notation for repeated multiplication of the same factor. For instance 54 means 5*5*5*=625.

An exponent is I believe

What is the product of (x+1) and (2x^2+3x-1)?

Answers

$(x+1)\cdot (2x^2+3x-1)=2x^3+3x^2-x+2x^2+3x-1=\n \n=2x^3+5x^2+2x-1$

(x+1)(2x^2+3x-1)
x(2x^2)+x(3x)+x(-1)+1(2x^2)+1(3x)+1(-1)
2x^3+3x^2-1x+2x^2+3x-1
2x^3+5x^2+2x-1

Susan wants to make pumpkin bread and coffee cakes for the school bake sale. She has 15 eggs and 16 cups of flour in her pantry. Her pumpkin bread recipe uses 2 eggs and 3 cups of flour. Her coffee cake recipe uses 3 eggs and 4 cups of flour. She plans to sell pumpkin bread loaves for $5 each and coffee cake loaves for $4 each. Susan wants to maximize the money raised at the bake sale. Let x represent the number of loaves of pumpkin bread and y represent the number of loaves of coffee cake Susan bakes. What is the objective function for the problem? A. P = 15x + 16yB. P = 5x + 7y
C. P = 5x + 4y
D. P = 4x + 5y

Answers

Answer:

Option C is correct that is P=5x+4y

Step-by-step explanation:

We have given She has 15 eggs and 16 cups of flour in her pantry. Her pumpkin bread recipe uses 2 eggs and 3 cups of flour. Her coffee cake recipe uses 3 eggs and 4 cups of flour

Let x represents number of loaves of pumpkin bread

And y represents the number of loaves of coffee cake Susan bakes

Since, She plans to sell pumpkin bread loaves for $5 each and coffee cake loaves for $4 each.

Hence, P=5x+4y

Therefore, option C is correct.

The answer is C because in the problem, it states that Susan is selling pumpkin bread for 5 dollars, in which would be 5x. It also stated that she is selling coffee cake for 4 dollars each, in which would be 4x. When you add 5x and 4x, you will get the objective function.

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