MATHEMATICS MIDDLE SCHOOL

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

Answers

Answer 1
Answer:

Answer:

$528.12

Step-by-step explanation:

A cost of  30-day subscription  = $499.00

and Tax rate = 8%

But there is a $10 off coupon.

so the subscription cost would be = 499 - 10 = $489

So the final cost would be = (489 + (8% of 489))

= 489 + (0.08 × 489)

= 489 + 39.12

= $528.12

The final cost would be $528.12
Answer 2
Answer: 489.02





hope that helps!

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The perimeter of a rectangle is 24 feet . Find the length if the width is 2 feet what is the length

Answers

Answer:

length=10 feet

Step-by-step explanation:

if you take your 2 widths and add them its 4. then take your perimiter and subtract 4 from it then divide by 2 which is 10 feet

15-12 divided by 3= n. what is the value of the unknown number

Answers

15 -12 is equal to 3 and 3 divided by 3 is 1 so n is equal to 1 :)))
i hope this is helpful
have a nice day 

Please help me with this question. what is the area?

Answers

The formula for that area would be A=1/2xbxh so you would do A=1/2x3.5x3 and that equals 5.25

Need help on question 10
please help

Answers

It has to be a parallelogram. And if you cut it just right then it can be a rectangle and it can be a square. This is a fun problem to work with at home. Make rectangular prisms of cake. Then cut each one at different angles. See what shapes of cuts you get. And then eat the pieces.

Jana has a number cube numbered 1 to 6. She plans to roll the cube 78 times. Predict the number of times Jana will roll a 2.

Answers

The number of times Jana will roll a 2 will be 13.

What is Probability?

Probability is simply the possibility of getting an event. Or in other words, we are predicting the chance of getting an event.

The value of probability will be always in the range from 0 to 1.

Given that,

Jana has a number cube numbered 1 to 6.

When Jana rolls the number cube 1 time, there is an equal chance of getting each number.

Probability that the number is 2 = 1/6

So, there is a 1/6 probability that the number rolled is 2.

Jana plans to roll the cube 78 times.

So the number of times Jana will roll a 2 = 78 × (1/ 6) = 13

Hence the number of times that Jana will roll a 2 in the number cube is predicted as 13.

Learn more about Probability here :

brainly.com/question/15092135

#SPJ6
13 times

78/6 = 13 is probability.

Hope i become the brainliest.

Please solve this proportion with steps (I'm stuck)
(9x+6)/18= (20x+4)/3x

Answers

(9x+6)/(18)=(20x+4)/(3x)

Cross multiply. Distribute...
3x(9x+6)=18(20x+4)\n27x^2+18x=360x+72\n27x^2-342x-72=0\n3x^2-38x-8=0

OH GOD IT'S A QUADRATIC
(our equation is in ax² + bx + c = 0 form. a=3. b= -38. c= -8.
plug these values into the quadratic formula and simplify.)
x=(-b\pm√(b^2-4ac))/(2a)=(-(-38)\pm√((-38)^2-4(3)(-8)))/(2(3))=\frac{38\pm√(1444+96)}6\n\n√(1444+96)=√(1540)=√(4*345)=2√(345)\n\n\frac{38\pm2√(345)}6=\boxed{x=\frac{19\pm√(345)}3}

Approximate values for x: -0.20714 or 12.874


First, distribute your like terms, which in this case is 'x'

you should get (9x+6)/18= 60x + 12

then you have to multiply both sides by 18 to get rid of the fraction

you should then get 9x+6= 1080x + 206

next, subtract 9x from 1080x, you should get 1071x

then subtract 206 on the side the 6 is on and you should get -200=1080x

divide both sides by 1080 and you should get x=0.19


For future preferences use PEMDAS = Parentheses, exponents, multiplication, division, addition, and subtraction. (Yeah, I know I didn't do it in that order)
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Question On Image, Thanka for the help​