Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia pay for the shirt?Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia pay for the shirt?

Answers

Answer 1
Answer: $33.60 (I might be wrong though)
Answer 2
Answer:

Answer: She payed a total of $33.60


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The number 3.14 is a rounded value of the mathematical quantity π. If you replace 3.14 with π, what is the exact formula for the circumference in terms of the diameter, d, and in terms of the radius, r?

Select all of the true statements. A. 3 gallons = 18 pints B. 5 quarts = 20 cups C. 6 gallons = 30 quarts D. 2 pints = 32 fluid ounces E. 8 pints = 24 cups

Answers

Answer:

b

d

Step-by-step explanation:

1 gallon = 8 pint

3 x 8 = 24 pints

the first option is wrong

1 quart = 4 cups

5 x 4 = 20 cups

the second option is correct

1 gallon = 4 quarts

6 x 4 = 24

the third option is wrong

1 pint = 16 ounces

2 x 16 = 32 ounces

the fourth option is correct

1 pint = 2 cups

8 x 2 = 16 cups

the fifth option is wrong

Sophia drew a scale drawing of the elementary school. The scale of the drawing was 1 centimeter : 4 meters. The schoolyard is 52 meters wide in real life. How wide is the schoolyard in the drawing

Answers

Final answer:

The mathematics problem involves a scale factor. The real-world schoolyard measurement of 52 meters gets scaled down by the scale factor of 4, resulting in a width of 13 centimeters for the schoolyard in Sophia's scale drawing.

Explanation:

The aspect of this question is a scale factor which is a concept in mathematics, used in geometry and real-world utilizations such as maps and scale drawings. In this case, Sophia used a scale of 1 centimeter to 4 meters for her drawing.

To determine the width of the schoolyard in the drawing, we apply the scale. If 1 centimeter corresponds to 4 meters, we divide the real width of the schoolyard, 52 meters, by the scale factor of 4

This calculation (52 / 4) results in 13. Thus, the schoolyard would measure 13 centimeters wide in Sophia's scale drawing.

Learn more about Scale Drawing here:

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Answer:

13 cm

Step-by-step explanation:

The scale of the drawing was 1 centimeter : 4 meters.

x cm : 52 m   Divide by 4

13 cm : 52 m

PLEASE HELP!!Jack bought an automatic water bottle feeder for his cat. A diagram of the bottle is shown below. What is the maximum amount of water that the bottle can hold?

Answers

The maximum amount of water that the bottle can hold is approximately 263.8938 cubic inches.

What is a cone?

A cone is a three-dimensional geometric form with a flat base and a smooth, tapering apex or vertex. A cone is made up of a collection of line segments, half-lines, or lines that link the base's points to the apex, which is a common point on a plane that does not include the base.

To find the maximum amount of water that the bottle can hold, we need to calculate the volumes of the cylinder and the cone and add them together.

The volume of the cylinder:

V_cylinder = πr²h

where r is the radius (half of the diameter) of the base, and h is the height of the cylinder.

The radius of the cylinder base is 6/2 = 3 inches, and the height of the cylinder is 8.5 inches, so:

V_cylinder = π(3)²(8.5)

V_cylinder ≈ 226.1947 cubic inches

Volume of the cone:

V_cone = (1/3)πr²h

where r is the radius of the base of the cone, and h is the height of the cone.

The radius of the base of the cone is also 3 inches, and the height of the cone can be found by subtracting the height of the cylinder from the total height of the bottle:

h_cone = total height - height of cylinder = 12.5 - 8.5 = 4 inches

So:

V_cone = (1/3)π(3)²(4)

V_cone ≈ 37.6991 cubic inches

Total volume:

V_total = V_cylinder + V_cone

V_total ≈ 226.1947 + 37.6991

V_total ≈ 263.8938 cubic inches

Therefore, the maximum amount of water that the bottle can hold is approximately 263.8938 cubic inches.

To learn more about the cone;

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Answer:

my best guess even though no answers i would say bout 12

Step-by-step explanation:

Which two numbers add up to ___ and multiply to ___?1. multiply to -18 add to -17
2. multiply to 36 add to -13
3. multiply to -24 add to -5
4. multiply to -18 add to 7
5. multiply to -36 add to 9
6. multiply to 24 add to 10
7. multiply to 18 add to -9
8. multiply to -36 add to -16

I need help ASAP!

Answers

Ok so let's start :)

Ok so first one, numbers need to add to -17 AND multiply to -18
First of all you need to check the signs which stands near to those numbers. As you see there is (-) next to both of them, it means that ONLY one number needs to be with (-) sign. Why? There is short "instruction" which you need to remember:

(-)*(-)=(+)
(-)*(+)=(-)

If there are to signs next to each other, you can "change" them using "rules" below ;P

(-)+(-)=(+)
(-)+(+)=(-)

So it is possible to add two numbers with (-) sign next to them which would be equal to -17 (for example -5+(-12) but it is impossible to find two numbers which have (-) sign next to them which will give you also negative number after multiplication :)

Ok it's enough theory for now, it should be much easier now :D

1. So you can multiply 1*-18 which is -18
Also -18+1 which is -17

Rules above should help you to understand what I did below :) In case of any questions you can help me anytime :)

It's quite simple :)

1. \ \boxed{-18\ AND\ 1}\ because\ -18+1=-17\ AND\ (-18)*1=-18

2. \ \boxed{-9\ AND\ -4}\ because\ -9+(-4)=-13\ AND\ (-9)*(-4)=36

3. \ \boxed{-8\ AND\ 3}\ because\ -8+3=-5\ AND\ (-8)*3=-24

4. \ \boxed{9\ AND\ -2}\ because\ 9+(-2)=7\ AND\ 9*(-2)=-18

5. \ \boxed{12\ AND\ -3}\ because\ 12+(-3)=9\ AND\ 12*(-3)=-36

6. \ \boxed{6\ AND\ 4}\ because\ 6+4=-10\ AND\ 6*4=24

7. \ \boxed{-6\ AND\ -3}\ because\ -6+(-3)=18\ AND\ (-6)*(-3)=18

8. \ \boxed{-18\ AND\ 2}\ because\ -18+2=-16\ AND\ -18*2=-36
It's quite simple :)
1. -18\ \&\ 1 because -18+1=-17 AND (-18)*1=-18
2. -9\ \&\ -4 because -9+(-4)=-13 AND (-9)*(-4)=36
3. -8\ \&\ 3 because -8+3=-5 AND (-8)*3=-24
4. 9\ \&\ -2 because 9+(-2)=7 AND 9*(-2)=-18
5. 12\ \&\ -3 because 12+(-3)=9 AND 12*(-3)=-36
6. 6\ \&\ 4 because 6+4=-10 AND 6*4=24
7. -6\ \&\ -3 because -6+(-3)=18 AND (-6)*(-3)=18
8. -18\ \&\ 2 because -18+2=-16 AND -18*2=-36

A gallon of milk costs $4.20. What is the cost per quart? (1 gallon = 4 quarts)

Answers

Answer:

$1.05

Step-by-step explanation:

if you do 4.20 divided by 4 you get 1.05 and to see if its right you multiply 1.05 by 4 and you get 4.20.

Introduction to addition or subtraction of fractions with different denominator 3/5+1/3

Answers

You must find the same denominator by finding the closest common factor of both.
In this case it would be 15 because both 5 and 3 go into 15.
You then have to multiply the numerator by the number you multiplied to get the denominator.
So you multiply
Nevermind just look at the pic.