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timama [110]
3 years ago
12

A car rental costs $50 for the first day. Additional days cost $35 per day, unless the car is rented for 7 days or more, in whic

h case there is a 10% discount on the daily rate.
Identify the expression which represents the cost of renting a car if the car has been rented for more than a week.
A) 45 + 35x
B) 45 + 31.5x
Eliminate
C) 50 + 35x
D) 50 + 31.5x
Mathematics
1 answer:
damaskus [11]3 years ago
5 0

Answer:

D) 50+31.5x

Step-by-step explanation:

10% of 35 is 3.5

35-3.5=31.5

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Please help me solve these algebraic expressions and turn them into simplified fraction
Fittoniya [83]

Answer:

h) (3 - 2b)/4b²

k) (2b - 3a)/ab³

Step-by-step explanation:

h) 3/4b² - 1/2b

multiply 1/2b, both top and bottom, by 2b, so 1/2b = 2b/4b²:

3/4b² - 2b/4b² = (3 - 2b)/4b²

k) 2/ab² - 3/b³

multiply 2/ab², both top and bottom, by b, so 2/ab² = 2b/ab³:

multiply 3/b³, both top and bottom, by a, so 3/b³ = 3a/ab³:

2b/ab³ - 3a/ab³ = (2b - 3a)/ab³

7 0
3 years ago
Factor the expression over the complex numbers x^2 + 18
aleksley [76]

Answer:

x=3i*\sqrt{2} \\x=-3i*\sqrt{2}

Step-by-step explanation:

Solve the associated quadratic equation to find its solutions:

x^2+18=0\\x^2=-18\\x=+/-\sqrt{-18} \\x=+/-\sqrt{-1} *\sqrt{2*9} \\\\x=+/-i *\sqrt{2} *\sqrt{9}  \\\\x=+/-3i*\sqrt{2}

7 0
3 years ago
What is 1.8×0.5×3.4+2.6=
BabaBlast [244]

Answer:

5.66

Step-by-step explanation:

Use PEMDAS

Parentheses - there are none so dont do anything regarding this step

Exponents - there are none so dont do anything regarding this step

Multiplication - multiply everything except 2.6 and that will give you 3.06

Division - there is none so dont do anything regarding this step

Addition - add 3.06 and 2.6 and that will give you 5.66

Subtraction - there is none

Therefore, the answer is

5.66

6 0
3 years ago
Which of the following values of X is not in the domain of f(x)=x+3/x-7
Murljashka [212]
I don’t know it’s could be better if I didn’t have any money for that you could do it omg is it like that a lot but you don’t want it anyway I can do
6 0
3 years ago
Ashlynn is trying a low-carbohydrate diet. She would like to keep the amount of carbs consumed in grams between the levels shown
ra1l [238]

Answer:

C. x > 225 and x < 325

Step-by-step explanation:

Simplify each inequality:

460 < 2x + 10 =>

450 < 2x

225 < x

x > 225

and

2x + 10 < 660 =>

2x < 650

x < 325

So x > 225 and x < 325.

8 0
3 years ago
Read 2 more answers
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