Mathematics Middle School

use compensation to find different mentally . explain how you found the difference . 67.9 - 29.9 , 456.00 - 198.00

Answers

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Here ya go!

Step-by-step explanation:

67.9- 29.9= 67- 29+ 0.9- 0.9 = 38

456.00-198.00= 400+ 56- 100- 98 = 258

By expanding the equation to make it easier to solve. grouping the numbers in easier terms to be able to subtract them easier

Related Questions

Why is it useful to write a ratio of fractions as a unit rate

Answers

Answer:

The unit rate has a denominator of one.This will often modify any subsequent mathematical calculations. Choosing the form of the proportion should really be based on what you're doing with it. Often a denominator apart from 1 is sufficient to follow-up operations that you will need to run.

A "unit rate" has a denominator of 1. That will often simplify any subsequent math operations.

The choice of the form of a ratio should be made based on what you need to do with it. Sometimes, a denominator other than 1 is appropriate to follow-on operations you may need to perform.

Look at the PDF and answer the question, and do explain your reasoning.

Answers

Answer:

A: deshawn raised more than his goal. B: He raised 625 dollars

Step-by-step explanation:

3/5 is equal to 60%

5/8 is equal to 62.5%

A truck stops at a gas station where diesel fuel costs $3.99 per gallon. The truck needs 8.8 gallons of diesel for the driver to complete all his deliveries. Estimate whether $36.00 will be enough to pay for the fuel. Justify your answer.

NO SAMPLE RESPONSE FROM EDGINUTY

Answers

Answer:

Yes It Will Be Enough Money. The fuel will cost approximately $35.11

Step-by-step explanation:

8.8x3.99

35.11

36-35.11

.89

you will have 89 cents reamaining

Please help me ASAP QnQ

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

I hope you pass le test :D

Which relation is also a function? A, B, C, or D?

Answers

Answer:

AorD

srry if im wrong its not B because some of them are not compatible

Step-by-step explanation:

Answer: Choice D

===================================================

Explanation:

To have a function, we cannot have repeated x values. Put another way, we can't have any input go to more than one output. Choices A through C are not functions because....

Choice A has x = 10 go to more than one y output.Choice B has x = 2 go to more than one y output. Choice C has x = 4 go to multiple y outputs.

Only choice D has each x value listed one time. We don't have any repeated x values. Any x input leads to exactly one y output. This is why choice D is a function.

PLZZ HELP THIS DUE TODAY AND I STRESS OUT PLZZ HELP ME ONLY GIVE ME THE CORRECT ANSWER PLZZZ this due today !!!!HELPP DUE IN 30
MIN plzzz

1. The water level in Ricky Lake changes at an average of -7/16 inch every 3 years.
a. Based on the rate above, how much will the water level change after one year? Show your calculations and you can use the vertical number line to help you., using 0 as the original water level.
Show all your work and explanation in order to receive full points.

b. How much would the water level change over a 7-year period?

Show all your work and explanation in order to receive full point

C. When written in decimal form, is your answer to part (b) a repeating decimal or a terminating decimal? Justify your answer using long division.

Show all your work and explanation in order to receive full points.

Answers

Answer:

NO GO O MATHAWAY.COM

Step-by-step explanation:

That is tuff, I hope someone gave you the answer
Luck guess: A

Maria ate 20% of a box of cereal that weighed 300 grams. How many grams of cereal did she eat? A tape diagram. Maria ate 20 percent out of 100 percent of a box of cereal. She ate question mark out of 300 percent of a box of cereal. The percent in the problem written as a ratio: part =____ whole = _____ 100 multiplied by _____ is equal to 300. 20 muliplied by ______ is equal to .

Answers

Answer:

Step-by-step explanation:

20 percent of 100 is 20, 100 x 3 = 300, so 20 x 3 = 60

Answer:

part = 20 whole = 100 100 multiplied by = 3 20 multiplied by = 3 is equal to = 60

Step-by-step explanation:

1. A 2. C 3. B 4. B 5.B

help help pls and ty :)

Answers

Answer:

It would have to be $8

Step-by-step explanation:

Answer:

The answer is 8.

Step-by-step explanation:

Hope it helps! :)

Carlotta handpaints T-shirts and sells them to her friends. She uses the equations below to determine her costs to produce shirts and the amount of money earned when she sells the shirts. Production Cost: c = 28 + 3 s, where c is the total cost and s is the number of shirts Money Earned: m = 10 s, where m is the amount of money earned from sales and s is the number of shirts How many shirts must Carlotta sell to make a profit? 2 3 4 5

Answers

Answer:

3 shirts

Step-by-step explanation:

production cost: c = 28 + 3s

c=cost

3s= 3 shirts

28= dollars she has to add of her own money to be even with the amount she lost making the shirts

money earned= m = 10s

m=money earned from sales

10s= 10 shirts

Answer: ITS 5

Step-by-step explanation: i literally got it wrong cuz i put 4 but its 5

QUICK PLEASE!
Select ALL the correct answers.
Select all of the expressions that will result in a positive number.

Answers

Answer:

1, 3, 4, 5 and 6

Step-by-step explanation:

A negative and a negative equals a positive, hope that helps in future math problems

1,3,4,5, and 6......

ESTIMATE!!! I think it means round the numbers and find the total, idk. pls help tho!!

Answers

Answer:

200

Step-by-step explanation:

8000 divided by 40

since we rounded it up

it would equal 200

Answer:

8200 / 40 = 205

Step-by-step explanation:

math help asap ty :D

Answers

Answer:

Step-by-step explanation:

3+9=12 Because Dwight has 3 cards Ellis has 9 so you add them together to get the whole amount of cards is 12

12/2=6 because science there are two people you need to divide by 2which

PLS HELP ME ILL GIVE BRAINLIEST TO THE BEST ANSWER PLS!!!!!!!

Answers

Answer:

512

Step-by-step explanation:

2x2x2=8

2x2=4x2=8x2=16x2=32x2=64

64x8=512

2•2•2=8, and (2^6)^2 is (2^6)(2^6), which equals 4,096, so 4,096•8=32,768

For simplified exponent, the answer is [tex](2^3)(2^6)^2[/tex] = [tex]2^{15}[/tex]

Find the whole.
175% of ___is 42.
Explain your method.

Answers

Answer:

Step-by-step explanation:

Hi there !

175% ............. 42

100% ..................x

x = 100*42/175 = 4200/175 = 24

Good luck !

Answer:

Step-by-step explanation:

175%=1.75

42/1.75=24

hope this helps

let me know

(Also i would love to get brainliest)

Solve the equation 4n - 3 = 2n + 5 for n.

Answers

Answer: n = 4

Hope this helps! -xoxo

Please heart or give brainly! <3

Answer: n=0.4

Step-by-step explanation:-2n from both sides, then you +3 to both sides, after that you divide the 2n by 5 which gets you 0.4

4n-3=2n+5

-2n -2n

2n-3=5

+3 +3

2n=5

n=0.4

Imma be posting this for while-

Answers

Answer:

1/2

Step-by-step explanation:

3/4 of the initial recipe, 2/3, is 1/2.

1/2, hopefully you do good on whatever you’re doing!

Which graph shows a rotation?

Answers

Answer:

Step-by-step explanation: If you look at C you can see it is going clockwise.

C is the one you should go with

please help brainliest will be given

Answers

66!
50 - 11 = 39
39 + 27 = 66

Answer:

B) $66

Step-by-step explanation:

Deposit means your putting money in your bank account.

50 - 11 = 39

39 + 27 = 66

Write a number that when rounded to the nearest thousandth would be 0.764.

Answers

Answer:

0.7643 could be a number that when rounded to the nearest thousand it equals 0.764

hope this helps :3

0.764 since the 4 is less than 5 and is not 5

can someone help me with this?

Answers

The first and last are a function and I’ll do the math for the rest and get back to you

First and last are functions

A package of 3 pairs of insulated socks costs $17.07. What is the unit price of the pairs of socks?

Answers

Answer: The unit price is $5.69

Step-by-step explanation: We have to divide 17.07 by 3, which is 5.69

Answer: $5.69

Step-by-step explanation: 17.07 divided by 3 equals $5.69

I need help with this its a bit easy will mark brainlist

Answers

Answer:

First box: y/x = 38/2 = 19

Second box: y/x = 57/3 = 19

Third box: y/x = 76/4 = 19

Constant of proportionality = 19

Equation: y = 19x

Hopefully you can read it

-14n=-280
solve for n

Answers

Answer:

the answer is:.......

..n=20

answer: -280/-14=20

n=20

A set of stickers contains 4 hearts for every 6 stars. Which choice contains an equivalent ratio of hearts to stars?
A. 6 hearts to 9 hearts
B. 2 hearts to 4 stars
C. 1 heart to 3 stars
D. 8 hearts to 19 stars
Which one is right? Please Explain your answer.
HELP PLS HELP

Answers

4:6 is equivalent to 6:9 because it’s like a fraction both of them can simplify to 1:3

Answer:

It B

Step-by-step explanation:

4:6

4/4=1 1:2, 2:4, 3:5, 4:6

6/3=2

PLS HELP What is the mode? A. 11 and 24 B. 11 C. 24 D. no mode

Answers

Answer:C. 24

Step-by-step explanation:

The mode is the one that’s the most

Please help me pls ty so much

Answers

Step-by-step explanation:

Juust drag a to c

all you have to do is drag a to c

A data set has a maximum of 200, a minimum of 115, a median of 145, an upper quartile of 150, and a lower quartile of 120. Which statement is true of the box plot of this data set? The box will go from 145 to 150. A line dividing the box will be at 135. The left whisker will go from 115 to 145. The right whisker will go from 150 to 200.

Answers

Answer:

150 to 200

Step-by-step explanation:

IM DORA

The statement that is true of the box plot of this data set is:

"The right whisker will go from 150 to 200."

Option D is the correct answer.

What is the interquartile range?

An interquartile range is a measure of the difference between the upper and lower quartiles of a dataset.

W can find the values of the upper and lower quartile and median from a box plot.

The middle line is the median and the first line is the lower quartile and the last line is the upper quartile.

The formula used is Upper quartile - Lower quartile.

We have,

The box plot of a data set displays the minimum, maximum, median, and quartiles of the data set.

The box represents the middle 50% of the data, with the median marked by a line inside the box.

The whiskers extend from the box to the minimum and maximum values that are not outliers.

Given the information about the data set, we know that:

The median is 145, which means that the line inside the box will be at 145.

The upper quartile is 150, which means that the top of the box will be at 150.

The lower quartile is 120, which means that the bottom of the box will be at 120.

The minimum is 115, which means that the left whisker will go from 115 to the bottom of the box (which is 120).

The maximum is 200, which means that the right whisker will go from 150 (the top of the box) to 200.

Therefore,

The statement that is true of the box plot of this data set is:

"The right whisker will go from 150 to 200."

Learn more about the interquartile range here:

https://brainly.com/question/29204101

#SPJ7

two interior angles of a triangle measure 34 degrees what is the measure of the third interior angle

Answers

Answer:

112 Degrees

Step-by-step explanation:

A rule of triangles is that the 3 interior angles must add to 180 degrees.

We know 2 of the angles, so we add those together.

34 + 34 = 68

180 - 68 = 112

The third angle is 112 degrees

asking for this question again! please help

Answers

Answer:

d) 5.676ₓ10⁻³

Step-by-step explanation:

Hi there !

5.29ₓ10⁻⁹ : 9.32ₓ10⁻⁷ =

= 5.29/9.32ₓ10⁻⁹/10⁻⁷

= 0.5676ₓ10⁻²

= 5.676ₓ10⁻³

Good luck !

Answer: symbolab helps

Step-by-step explanation:

Solve the following and answer if it is true or false - would you flip the sign?

-7n + 6 ≥ -43

True
False

Answers

Let's solve your inequality step-by-step.
−7n + 6 ≥ − 43

Step 1: Subtract 6 from both sides.
−7n + 6 − 6 ≥ −43 − 6 − 7n ≥ −49

Step 2: Divide both sides by -7.
−7n − 7 ≥ −49 − 7n ≤ 7

So, true

true , you first move the constant to the right. and then calculate . and after you divide both sides and flip the sign

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