During the day, Sam spent $4.85 on lunch. He also bought 2 books for $7.95 each. At the end of the day, he had $8.20 left. How much money did he start with?

Answers

Answer 1
4.85+(7.95x2)+8.20 = 28.95
Answer 2
The amount of money he started with was 28.95

Related Questions

Find the total cost to the nearest cent $43 dinner 18% gratuity

Answers

43*1.18=$50.74
You pay 100% plus 18% tip

The total cost is $50.74

What is percentage?

A percentage is a number that tells us how much out of 100.

43*118% = 43*1.18 = 50.74

Hence, The total cost is $50.74

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A clockwise rotation of 90 degrees is equivalent to a counter clockwise rotation of how many degrees?

Answers

Equivalent to 180 degrees. 90 degrees clockwise +90 degrees

The counter-clockwise rotation of the clockwise 90-degree rotation will be  180 degrees.

What is clockwise rotation?

Clockwise motion, also known as CW, moves from top to bottom, then down and left, and then back to top in the same manner as a clock's hands. The opposing direction of rotation or revolution is anticlockwise (ACW) or counterclockwise (CCW).

Given that there is a rotation of 90 degrees clockwise. The counterclockwise rotation will be calculated as.

The counterclockwise rotation will be equal to 180 degrees because the rotation will be first of 90 degrees and again of 90 degrees, Mathematically written as,

Counterclockwise rotation = 90 + 90

Counterclockwise rotation = 180

Therefore, the counter-clockwise rotation of the clockwise 90-degree rotation will be  180 degrees.

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Estimate 1 7/8 - 1 1/2

Answers

 i agree with jael232 the answer is 3/8

If r = 12 units and x = 13 units, then what is the volume of the cylinder? A. 600 cubic units B. 1,872 cubic units C. 7,488 cubic units D. 156 cubic units

Answers

it's either A or D sorry if it is worng

Write an expression that represents the sum of a number and 12

Answers

X+12=y
Hope this helps :)

r
Juanita borrowed $600 to purchase a new computer. She was charged 7% interest for two years. She used the simple interest formula to find the interest.
I = 600(7)(2)
What error did Juanita make and how will her error affect the interest she calculates? Explain

Answers

First, you would write 7% as a fraction, 7/100. Then, you would write 600 as a fraction. Let's make x  the interest Juanita has to pay. The fraction would be x/600. If we have 7/100 interest, you would put that 7/100 = x/600. The next step is to cross multiply. That is 7 times 600 and 100 times x. You would get 4200 and 100x. In order to find x, you have to get rid of the 100, and to do that you have to divide both sides by 100. Remember, what you do to one side, do to the other. That leaves you with 4200/100 and 100x/100. The result is 42 and x, so x = 42. Juanita has to pay $42 interest.

what is 74 divided by 5476

Answers

As a fraction, the answer is 1/74 because 74/5476 simplifies to 37/2738 and 37 goes in to 2738 74 times. The decimal answer is 0.0135 recurring (the recurring points are on top of the 1 and the 5)
Hope this helps!
0.0135 I think is the answer.:)

from a board 4 feet 2 inches long, a board 3 feet 7 inches long is cut what is the lengh of the remaining board?

Answers

Math:

Well, you know that 12 inches goes into 1 foot.

So, let's start with just making everything into inches.

4 feet * 12 = 48+2 = 50 inches.

3*12 = 36 inches + 7 = 43 inches.
50 - 43 = 7.

Your answer:
7 inches.

What value of X makes 13 -(9)= X a true sentence

Answers

13-(9)=X
4=X
The value of X is 4

Abby practiced for 11/12 of an hour and Lauren practiced for 2/3 of an hour. How long did they practice on Wednesday

Answers

You first have to equalize all of the denominator

2/3 will be equal to :  8/12

Total of their practice time would be :

11/12 + 8/12    = 19/12 hours

Hope this helps
2/3 equals 8/12

11/12 plus 8/12 will give you the improper fraction of 19/12.

19/12 also equals
1 7/12.

Round off 0.482 to one significant figure

Answers

To round 0.482 to one significant figure, consider the first non-zero digit '4' and round up to '5' because the next digit is '8', giving you 0.5.

To round off the number 0.482 to one significant figure, you look at the first non-zero digit, which is '4' in this case. Since the digit to the right of '4' is '8', which is greater than 5, you round up the '4' to '5'. Therefore, 0.482 rounded to one significant figure is 0.5.

Using examples from provided references:

(a) 0.424 rounds to 0.42 (to two significant figures)(b) 0.0038661 rounds to 0.00387 (to three significant figures)(c) 421.25 rounds to 421.3 (to four significant figures)(d) 28,683.5 rounds to 28,684 (to five significant figures)

what is the place value of 0 in 0.506

Answers

0 is in the hundredth place
Think of the order going out right from the decimal place. Tenths, hundredths, thousandths, etc. Going left, you have the ones, tens, hundreds, etc. There are two zeroes in the number 0.506. The first is in the ones place, and the second in the hundredths place. 

Ones place or Hundredths place. 

Joe deposits $20,000 for his retirement in an account with a 7% simple interest rate. How long will it take Joe to earn $14,700 in interest?

Answers

10 to 11 years
7% of 20k is 1400 and that goes in to it 10.5 times
that how you solve it

if 8 unites represent 136 miles, find the value of 11 units

Answers

the answer is 187 you find 136/8 then multiply it by 11
187 miles I'm pretty sure

A machine makes 20 carpets in a day. After oiling the machine, its efficiency will go up by 150%. How many carpets will be produced at this level?

Answers

150 percent means 1 and 1/2 times more, so 20*1.5= 30. 30 carpets will be produced at this level.
Hope this helps!

After a 150% efficiency increase, a machine that initially produces 20 carpets will produce 50 carpets per day.

If a machine is currently making 20 carpets a day and its efficiency increases by 150%, the new production can be calculated as follows:

First, we understand that an increase of 150% in efficiency is the same as multiplying the current efficiency by 1 + 1.50 (where 1 represents the current efficiency and 1.50 represents the increase). This gives us a factor of 2.50 (or 250%).

Now we apply this factor to the current production:

Multiply the current production (20 carpets) by the efficiency factor (2.50).20 carpets 2.50 = 50 carpets

After oiling the machine, it will therefore produce 50 carpets per day.

What is the remainder when 23,870 ÷ 38

Answers

The answer would be: 6
I believe the answer would be 6.

Charlie runs at a speed of 3 yards per second.about how many miles per hour does Charlie run?

Answers

29 but if you want to get really specific, 29.3333333
charlie run 6.136 mi/hr hope this helps :]

would a field with a width 75 yards and an area of 7500 square yards be within FIFA regulation?why or why not.

Answers

Final answer:

Yes, a field with a width of 75 yards and an area of 7500 square yards would be within FIFA regulation.

Explanation:

The area of a rectangle is calculated by multiplying its length by its width. In this case, the width of the field is 75 yards and the area is 7500 square yards. To determine if the field is within FIFA regulation, we need to compare its area to the typical dimensions of a soccer field.

A typical soccer field has a length of 100-130 yards and a width of 50-100 yards. Since the field in question has a width of 75 yards, it falls within the acceptable range. Therefore, the field with a width of 75 yards and an area of 7500 square yards would be within FIFA regulation.

how do you figure out the area of a square of 2m 5m 3m 3m 2m 1m

Answers

You add all of them together

Robin can mow a lawn in 3 hours, while Brady can mow the same lawn in 4 hours. How many hours would it take for them to mow the lawn together?
seven twelfths
twelve sevenths
7
12

Answers

it would take twelve sevenths for them to mow the lawn together.

The time taken by both Robin and Brady will be 12 / 7 hours.

What is an expression?

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

The time taken by both Robin and Brandy will be calculated as follows:-

Total Efficiency = ( 1 / 4 + 1 / 3 )

                         = ( 4 + 3 ) / 12

                         = ( 7 / 12 )

Now time taken will be the inverse of the frequency.

Time = 12 / 7 hours

Therefore the time taken by both Robin and Brady will be 12 / 7 hours.

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the number of Tim's stamps is 3/4 the number of david's stamps. if tim gives 1/2 of his stamps to david, what will be the ratio of the number of tim's stamps to the number of david's stamps

Answers

the answer would be 1/4 because multiply them together
Final answer:

To find the new ratio of Tim's stamps to David's stamps after he gives half of them to David, we set up a proportion using their initial amounts and the given fractions. The new ratio, after simplification, is 1 : 3 2/3 (or 1 : 3.67 in decimal form).

Explanation:

To solve the problem, we need to set up a ratio and proportion based on the information given. Initially, the number of Tim's stamps is 3/4 the number of David's stamps. If Tim gives 1/2 of his stamps to David, the situation changes, and we need to calculate the new ratio of their stamps.

Let's assume David has D stamps. So, Tim has 3/4 * D = 3D/4 stamps initially. When Tim gives away half of his stamps, he gives 1/2 * 3D/4 = 3D/8 stamps to David.

Now, David has D + 3D/8 stamps, and Tim has 3D/4 - 3D/8 stamps. Simplifying these expressions gives us:

David's new total: D + 3D/8 = 8D/8 + 3D/8 = 11D/8Tim's new total: 3D/4 - 3D/8 = 6D/8 - 3D/8 = 3D/8

The new ratio of Tim's stamps to David's stamps is 3D/8 : 11D/8. We can simplify this by dividing both parts by 3D/8, which gives us:

3D/8 : 11D/8 = 1 : 11/3 = 1 : 3 2/3 or 1 : 3.67 in decimal form.

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20(−1.5r+0.75) expand the expression and combine like terms

Answers

20(−1.5r + 0.75)

here, you need to distribute the "20" to the inside of your parentheses. you'll be multiplying 20 and -1.5 first:

-30r

then 20*0.75 second:

-30r + 15 is your expanded expression. you can't combine like terms any further.

Answer:

-30r + 15

Step-by-step explanation:

We have been given that

20(−1.5r+0.75)

Use the distributive property a(b+c)=ab+ac.

20×(−1.5r)+20×0.75

Multiplying, we get

-30r +15

These two are not like terms. Hence , we cannot combine them.

Therefore, we cannot simplify it more.

Hence, the simplified expression is -30r + 15

3.753 rounded to the nearest tenth

Answers

The tenth place will be the number right after the decimal "." You have to look at the number behind the 7 to see if the 7 will stay at 7 or if it will round up to 8. Since 5 means you round up, you round the 7 to an 8, giving you:

3.8
3.753 rounded to the nearest tenth is 3.75 because the thousandths place is 3, and that is under 5, so you keep the hundredths place the same. 

To the nearest hundredth .8 divided by .6 what does this question answer?

Answers

can u follow me and the answer will be 1.3 if u round it to the nearest hundredth..
Final answer:

To find the result of .8 divided by .6 to the nearest hundredth, perform the division to get around 1.3333, then round this to two decimal places to get 1.33.

Explanation:

The question asks for the result of .8 divided by .6, rounded to the nearest hundredth. To do this, you can perform the division as you normally would with any two numbers. First, divide .8 by .6 using a calculator or long division. The result is around 1.3333.

Then, because the question asks for the result to the nearest hundredth, you need to round this answer to two decimal places. To do this, look at the third decimal place. If it's 5 or above, round up. If it's 4 or below, round down. In this case, the third decimal place is a 3, so you round down. This means that .8 divided by .6, to the nearest hundredth, is 1.33.

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What is the unit rate, expressed in kilometers per minute?

Answers

What are you given that you need to convert to or calculate in km/mn?

what is the quotient of a number and 4 is -7

Answers

x/4= -7
multiply 4 to both sides
-7*4= -28
thus x= -28

The number that is such that its quotient with 4 would be - 7 can be found to be - 28.

How to find the number ?

To find the number when the quotient of that number and 4 is -7, you can set up an equation and solve for the unknown number (let's call it "x").

The equation can be written as:

x / 4 = -7

To isolate x, you can multiply both sides of the equation by 4 to get:

x = -7 * 4

x = -28

In, the mystery number that when divided by 4, gives - 7, is -28.

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Write an expression for the missing dimension of each shaded figure and a multiplication expression for its area. Then expand and simplify the multiplication expression.

Answers

0! there's no shaded figure

The ratio of the amount of almonds in Bag A to the amount of bag B was 8:5. After 12 ounces of almonds were transferred from Bag A to Bag B, the amount of almonds in Both bags became the same. How many ounces of almonds were originally in Bag B?

Answers

Final answer:

To solve this problem, we can set up an equation using the given information and solve for x. The original amount of almonds in Bag B was 40 ounces.

Explanation:

To solve this problem, we can set up an equation using the given information. Let's assume that the original amount of almonds in Bag A is 8x ounces and the original amount of almonds in Bag B is 5x ounces.

After 12 ounces of almonds are transferred from Bag A to Bag B, the amount of almonds in both bags becomes the same. This means that the amount of almonds in Bag A is now 8x - 12 ounces and the amount of almonds in Bag B is now 5x + 12 ounces.

Setting up an equation based on the ratios, we have:

8x - 12 = 5x + 12

Solving for x, we find that x = 8.

Therefore, the original amount of almonds in Bag B was 5x = 5(8) = 40 ounces.

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The ratio of dogs to cats at the pet store is 1:2. There are 15 dogs. How many cats are there?

Answers

30 cats because 15 times 2 is 30 and 15 times 1 is 15
Final answer:

To find the number of cats at the pet store, set up a proportion using the given ratio of dogs to cats and the number of dogs. Cross multiply to solve for the number of cats.

Explanation:

To find the number of cats at the pet store, we need to use the given ratio of dogs to cats. Since the ratio is 1:2 and there are 15 dogs, we can set up a proportion to solve for the number of cats. We can write the proportion as 1/2 = 15/x, where x represents the number of cats. We can cross multiply to find x, which gives us x = 30. Therefore, there are 30 cats at the pet store.

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A lamp shade has a radius of 9 inches. What is the circumference of the top of the shade? Use 3.14 to approximate pi. Round your answer to the nearest whole number.

Answers

Answer:

The circumference of the lamp shade is 57 inches.                      

Step-by-step explanation:

Given : A lamp shade has a radius of 9 inches.

To find : The circumference of the top of the shade

Solution : A lamp shade is in a sphere form,

So, formula to find the circumference of sphere is

[tex]C=2\pi r[/tex]

Now, the radius of lamp is 9 inches and [tex]\pi=3.14[/tex]

Substitute the value in the formula we get,

[tex]C=2\pi r[/tex]

[tex]C=2\times 3.14 \times 9[/tex]

[tex]C=56.52[/tex]

Round to nearest whole number circumference is 57 .

Therefore,The circumference of the lamp shade is 57 inches.

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