What is the y-intercept
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David's company reimburses his expenses on food, lodging, and conveyance during business trips. The company pays $60 a day for food and lodging and $0.65 for each mile traveled. David drove 600 miles and was reimbursed $3,390.Part A: Create an equation that will determine the number of days x on the trip (3 points)Part B: Solve this equation justifying each step with an algebraic property of equality. (6 points)Part C: How many days did David spend on this trip? (1 points)
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Answer: a. 3
Enter only a number for your answer.
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Answer:
-4
Step-by-step explanation:
Notice that the only way to multiply 2 numbers from each of the polynomials and get an x term is to multiply a constant and an x term.
The only ways to do that is to multiply -6x by 3 and 7x by 2.
After you're done multiplying, just combine the 2 like terms:
-18x+14x
=-4x
Therefore, the coefficient of the x term is -4.
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(4x - 6) + (2x + 12) = P
6x + 6 = P ~answer~
(2x-3)(x+6) = A
2x^2 + 12x -3x - 18
2x^2 + 9x - 18 = A. ~answer~
3 pts
Select the three equations that are also equivalent to 0.5 +10b+4= 19.5
A. 106 +4= 19.5
B. 10b +4=19
C. 2(0.5 +10b+ 4) = 39
D. 10b= 19.5
E. 10b= 15
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Answer:
Equation (B) and (C) are equal to 0.5+10b+4=19.5
As in equation (B) when we take the 0.5 on the other side, the sign will change.Then the equation will be 10b+4=19.5-0.5
Which equals : 10b+4=19
In equation (C) 2(0.5+10b+4)=39
The 2 which is being multiplied to the bracket equation will be canceled out when we divide it , and will be divided on the other side as well so 39÷2=19.5
So the equation will become 0.5+10b+4=19.5
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Find the slope by using the slope formula.
m = y2 - y1 / x2 - x1
m = 15 - 9/12 - 9
m = 6/ 3
m = 2
The slope = 2
B With = 12 and length = 29
C With = 14 and length = 31
D With = 16 and length = 32
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In this case:
Perimeter=90 cm
width=(x+2)
lenght=(3x-5)
Then:
2(x+2)+2(3x-5)=90
2x+4+6x-10=90
2x+6x=90+10-4
8x=96
x=96/8
x=12
with=(x+2)=12+2=14
lenght=(3x-5)=3*12-5=31
Answer: C width=14 and lenght=31.