Emily has a coupon for 20 percent off her purchase. She finds a backpack she likes on the discount rack. It's original price is $60, but everything on the rack comes with a 30 percent discount. Emily says, "thirty percent and twenty percent make fifty percent so ur will cost $30. Is emy correct?

Answers

Answer 1

Answer:

Answer: she is incorrect

Step-by-step explanation:

If Emily had a coupon for 20 percent off her purchase, this means that whatever she bought, the total amount would be reduced by 20%. She will be paying 80%

She finds a backpack she likes on the discount rack. It's original price is $60, but everything on the rack comes with a 30 percent discount.

This means that ordinarily,the amount she is meant to pay on the total goods she is buying is 30% lesser than $60. She will be paying

60 - (30/100 ×60)

60 - 0.3×60 = 60-18 = $42

Since she has a 20% coupon on total cost of goods bought, she would be paying

42 - (20/100 ×42)

42 - 0.2×42

= 42 - 8.4 = $33.6

Therefore,

If Emily says, "thirty percent and twenty percent make fifty percent so that her cost will be $30. She is incorrect. Her cost is $33.6

Answer 2

Answer:

Answer:

she is incorrect.

Step-by-step explanation:

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A grid shows the positions of a subway stop and your house. The subway stop is located at (7, -6) and your house is located at (-9, 5). What is the distance, to the nearest unit, between your house and the subway stop?

Answers

Answer: 19 units

Step-by-step explanation:

Given: The subway stop is located at (7, -6) and house is located at (-9, 5).

The distance formula to find distance between $(x_1,y_1)\ and (x_2,y_2)$ is given by :-

$d=√((x_2-x_1)^2+(y_2-y_1)^2)$

Therefore, the distance between house(-9, 5) and the subway stop(7, -6) is given by :-

$d=\sqrt{(7-(-9))^2+(-6-5)^2\n\n\Rightarrow\ d=√((16)^2+(-11)^2)}\n\n\Rightarrow\ d=√(256+121)\n\n\Rightarrow\ d=√(377)\n\n\Rightarrow\ d=19.4164878389\approx19\ units$

Use the distance formula!

d = square root of (x2-x1)^2 + (y2-y1)^2

=19.4165

How do you find the equation of the line in standard form that is perpendicular to the line y=3x+2 and passes through (-1, 5)please help!!!

Answers

$y=mx+b \perp y=3x+2 \n\Downarrow \hbox{the product of the slopes is -1} \nm * 3=-1 \nm=-(1)/(3) \n y=-(1)/(3)x+b \n \n(-1,5) \nx=-1 \ny=5 \n \Downarrow \n5=-(1)/(3) * (-1) + b \n5=(1)/(3)+b \n5-(1)/(3)=b \n(15)/(3)-(1)/(3)=b \nb=(14)/(3) \ny=-(1)/(3)x+(14)/(3) \n \ny=-(1)/(3)x+(14)/(3) \n(1)/(3)x+y=(14)/(3) \ \ \ |* 3 \n\boxed{x+3y=14}$

A perpendicular line has a slope that is the negative reciprocal of the line it's crossing. The negative reciprocal of 3 is -(1/3).

y=mx+b
5=-(1/3)(1)+b
5=(1/3)+b
4(2/3)=b

your final answer is:
y=(1/3)x+4(2/3)

Use the formula P = 2L + 2W to find the width of of a rectangle when the length is 34 ft and the perimeter is 112 ft.

Answers

Using the formula P = 2L + 2W, we were able to solve for the width of a rectangle with a length of 34 ft and a perimeter of 112 ft. The width of the rectangle is 22 ft.

To find the width of the rectangle, we need to rearrange the formula P = 2L + 2W to solve for W.
Starting with P = 2L + 2W, we can isolate W by subtracting 2L from both sides:
P - 2L = 2W

Now we divide both sides by 2 to isolate W:
W = (P - 2L) / 2

Substituting the given values, we get:
W = (112 - 2(34)) / 2
W = (112 - 68) / 2
W = 44 / 2
W = 22

Therefore, the width of the rectangle is 22 ft.

In summary, using the formula P = 2L + 2W, we were able to solve for the width of a rectangle with a length of 34 ft and a perimeter of 112 ft. The width of the rectangle is 22 ft.

Know more about rectangle here:

brainly.com/question/25292087

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Choose the correct mixed number for the quotient. 19 ÷ 8 = 2 R3

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Answers

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Which of the following statements is false? (5 points) Select one: a. The sum of two rational numbers is always rational. b. The product of a nonzero rational number and an irrational number is always irrational. c. The product of two rational numbers is always rational. d. The sum of two irrational numbers is always rational.

Answers

Answer is d the sum of two irrational numbers is always rational.

cornerstone baker sold 78 pies on monday 96 pies tuesday 104 pies wednesday 40 pies thursday 77 pies friday on average how many pies did they sell per day

Answers

To find the average per day use this equation;

total number of pies ÷ total number of days = average of pies per day

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Monday + Tuesday + Wednesday + Thursday + Friday = 5 days...

395 ÷ 5 = 79

so the average of pies sold per day is : 79 pies per day.

hope it helped :D

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