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Alex787 [66]
3 years ago
13

IF A SUBSCRIPTION IS $499 PLUS 8% TAX FOR 30 DAYS, BUT IS BEING PRORATED FOR 7 DAYS, PLUS THERE IS A $10 OFF COUPON, WHAT'S THE

FINAL COST?
Mathematics
2 answers:
Dima020 [189]3 years ago
8 0

Answer:

The final cost is $115.74.

Step-by-step explanation:

Total amount of 30 days with tax = 499+(0.08\times499) = 538.92 dollars

This value is for 30 days, and its prorated for 7 days, so value for 7 days is =

\frac{538.92}{30}\times7 = 125.74 dollars

And $10 is off, so final cost is 125.74-10=115.74 dollars

(Suppose the discount coupon is applied at the end of billing)

The final cost is $115.74.

natita [175]3 years ago
6 0

Answer:

$528.12

Step-by-step explanation:

499-10

489×1.08= 528.12

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Can u help me with my work don’t send a link !!
Vlad [161]

Answer:

$503.35

Step-by-step explanation:

you just have to plug in the value of each variable into the equation

i hope this helps :)

7 0
2 years ago
A line passes throughout (-3,-2) and is perpendicular to 3x-2y=7. What is the equation of the line in slope-intercept form? A. Y
marissa [1.9K]
3x - 2y = 7
-2y = -3x + 7
y = 3/2x - 7/2....slope of this line is 3/2. A perpendicular line will have a negative reciprocal slope. All that means is " flip " the slope and change the sign. So the slope we need is -2/3 (see how I flipped the slope and changed the sign)

y = mx + b
slope(m) = -2/3
(-3,-2).....x = -3 and y = -2
now we sub and find b, the y int
-2 = -2/3(-3) = b
-2 = 2 + b
-2 - 2 = b
-4 = b

so ur perpendicular equation is : y = -2/3x - 4 <==
6 0
3 years ago
I need help with this
yanalaym [24]

Answer:

(-2, -4)

Step-by-step explanation: because its going backwards it should be a negative slope :)

I'm sorry if I'm wrong  but i hope this helps :)

6 0
2 years ago
PLEASE HELP, WILL MARK BRAINLIEST - Jessie graphed one of the lines in a system of equations: y=3x-2. If the system has an infin
Novosadov [1.4K]
B, D, and E are all correct. The line is coinciding.
4 0
3 years ago
Read 2 more answers
What is the equation of a line passing between the points below? (-3,1) (5,-7)
kirill [66]

Answer:

Ax + Ay + 2A = 0 for any nonzero A, for example (A=1): x + y + 2 = 0

Step-by-step explanation:

The equation of a line is

Ax + By + C = 0

so we know that:

A*-3 + B*1 + C = 0

A*5 + B*-7 + C = 0

Let's subtract one from the other:

A*(-3 - 5) + B*(1 + -7) = 0

A*-8 + B*8 = 0

B*8 = A*8

B = A

Let's input B = A into the first two equations

A*-3 + A*1 + C = A*-2 + C = 0

A*5 + A*-7 + C = A*-2 + C = 0

checks out

C = 2A

So for any nonzero A the equation of

Ax + Ay + 2A = 0 produces a line passing between the points. Example would be

x + y + 2 = 0

4 0
2 years ago
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