Mathematics Middle School

Multiple Choice

Find each sum or difference.
negative one-half plus one-third
A. negative one-sixth
B. negative one-third
C. two-thirds
D. one-sixth

Answers

Answer 1
Should be A because if you find the sum by adding you get -0.1666
Answer 2
A would be correct..

Related Questions

I need help on this part also- Math is kinda hard

Answers

Answer: C

Step-by-step explanation:

Option D is the correct answer because it’s from smallest to largest .

What is the final position?

Answers

the final answer should be 0
0 because if you add -4+5-2+7-6=0

Evaluate xy for x = –9 and y = 5.
A –4
B 45
C –45
D –14

Answers

Answer:

C

Step-by-step explanation:

9 times 5 is 45. when ur multiplying and there's only one negative sign, the answer will always be negative.

C. -45

These types of problems can be fairly simply once you understand substitution. Substitution is when we put in values (in this case -9 and 5) in their set variable (x and y in this case.)

The problem states that x=-9 therefore we put in -9 for x in the multiplication of xy so it looks like this: (-9)(y). Next we want to substitute in the y value which is 5 so that we now have (-9)(5).

Because there is no plus or minus sign, along with a division sign, we then MULTIPLY these two numbers because the variables are connected so -9*5 would equal to -45.

The Lcm of 40 and 10 is 20


-Natalia :)

Answers

Answer:  False.

The Least Common Multiple of 40 and 10 is 40

Step-by-step explanation:

The least common Multiple of any two (or more) numbers is the lowest number that they can all be divided into evenly-- no fractions, decimals or remainders.

40/40 =1  40/10= 4

20/40 = 1/2 or 0.05  Not allowed!

Don't confuse LCM with  the least common factors.

2 and 5 are common Factors of 10, 20 and 40.

Answer: ITS NOT TRUE ITS FALSE
I agree with the person above me :)

which is better snickers or hershey

Answers

Answer: Snickers all the way dawg

Step-by-step explanation:

Answer:

Ur mother.........................lol

Name a combination of coins that is 130% of the value of a dollar.

Answers

Answer:

5 quarters, 1 nickel  

Step-by-step explanation:

A combination of coins which is equivalent to 130% of a dollar is equal to 8 quarters,2 dimes and 2 nickels.

What are percentages?

A percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate the percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word percent means per 100. It is represented by the symbol “%”

Given: A dollar and to find its 130% equivalent in the form of coins.

A nickel is worth 5 cents

A dime is worth 10 cents

A quarter is worth 25 cents

Now a dollar is equivalent to 100 cents

Thus 130% of a dollar is equivalent to

130/100 ×100 +100 =230 cents

Therefore a combination of 8 quarters which is equal to 200 cents and 2 dimes and 2 nickel is equal to 230 cents  as

8×25+2×10+2×5=230 cents.

Hence, A combination of coins which is equivalent to 130% of a dollar is equal to 8 quarters,2 dimes and 2 nickels.

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Interest rates have dropped steadily over the last six months. Each month they have decreased by 1/4 point.

A. Write an expression to represent the total change of rates over the last six months.

B. Find the total change. Make sure to express your answer as a mixed number in lowest terms.

Answers

Answer:

A. 1/4x6/1

B. 3/2

Step-by-step explanation:

1/4x6/1=6/4=3/2

Someone help me with this ASAP!!

Answers

Answer: im so sorry i can see your picture

Step-by-step explanation:

Answer:

4.25

Step-by-step explanation:.

(fractions converted)

The plywood together is 13.5 feet which divided by 57.375 is 4.25.

Consider the two patterns described below.


Pattern Rule Starting
Number
J Add 9 0
K Add 9 5
Which of the following sentences describes the relationship between the corresponding terms in the two patterns?


The terms in pattern J are 5 times the corresponding terms in pattern K.


The terms in pattern K are 5 times the corresponding terms in pattern J.


The terms in pattern J are 5 more than the corresponding terms in pattern K.


The terms in pattern K are 5 more than the corresponding terms in pattern J.

Answers

I think C, I’m sorry if I’m incorrect
The correct answer is C

I need help pls and thanks

Answers

Step-by-step explanation:

I am pretty sure it would be 10

help please! I am lowkey dumb...HELP?!!

Answers

Answer:

3.14

Step-by-step explanation:

Issa lil past due hmo cause ion feel like figuring this out

Answers

Answer:

A, D,

Step-by-step explanation:

1 can per 3 tennis balls are shown in the graph

1x2=2 cans

6x2=12 balls (a)

1x2=2 cans

3x2=6 balls

now im gonna do my own hw ;)

it’s A and D

just did the assignment :)

explain how you can determine the sign of the sum of two integers if one is positive and the other is negative

Answers

Two integers added together when one is a positive and one is a negative is the same as subtracting two positive numbers. This is because the addition cancels out due to the negative number.

For example: -2+14=12, and 14-2=12
The same of the person on top of me

please hurry i am timed i have 1 more question that i need help with How is the denotation of a word different from its connotation?

The denotation of a word gives the word’s emotional meaning, while the connotation of a word gives the word’s exact meaning.
The denotation of a word gives the word’s negative meaning, while the connotation of a word gives the word’s positive meaning.
The denotation of a word gives the word’s positive meaning, while the connotation of a word gives the word’s negative meaning.
The denotation of a word gives the word’s exact meaning, while the connotation of a word gives the word’s emotional meaning.

Answers

The denotation of a word gives the word’s exact meaning, while the connotation of a word gives the word emotional meaning.

I need the mean absolute deviation
68
72
77
64
69
76

Answers

Mean absolute deviation=4

A student estimated the sum

7.95 + 8.11 + 78.5 + 8.05 + 79.4 + 0.815 as:

All the numbers begin with a 7 or 8, so use cluster estimation.
8 + 8 + 80 + 8 + 80 + 0.8 = 184.8

Explain why this reasoning is not accurate.

Answers

Answer:

The numbers are not clustered around a common number. Two of the numbers are very large and one is very small.

Step-by-step explanation:

hope this helps

The reason is that the round off wasn't done in a correct manner.

What is decimal?

Decimals are the numbers, which consist of two parts namely, a whole number part and a fractional part separated by a decimal point.

Given:

7.95 + 8.11 + 78.5 + 8.05 + 79.4 + 0.815

The round off will be as follows:

8 + 8+ 79 + 8+  79 + 0.9

= 182.9

Hence, the clustered point for three numbers are not correct.

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Use a number line to add and subtract rational numbers. Someone plz help

Answers

Answer:

You would first need to draw a number line or print one out. Once you have a number line, you would put a dot on the number that you are supposed to subtract from or add to. After that, you would jump forward the amount of numbers you need to add or jump to the right with how many numbers you need to subtract.

Step-by-step explanation:

Kamora received $8.75 for 25 minutes of work. How much should FIona receive for 60 minutes of work?

Answers

Answer:

21

Step-by-step explanation:

8.75=25

8.75*2=50

17.5+

1.75=5

1.75*2=10

3.5

3.5+17.5=21

Select all expressions that are equivalent to (37)2∙3−6 .




(32)4


320


38


33


9

Answers

Answer:

(3^2) 4 and 3^8

Step-by-step explanation: I think this is right not 100% sure tho

The number 6 is multiplied by a fraction with a value between 0 and 1. The product must be

Answers

Answer:

nothing it will be 0

Answer:

between 0 and 6 (0 < x < 6)

Step-by-step explanation:

we are taking a part of 6

On Monday, Jill used 12 quart of paint in 34 hour. On Tuesday, Jill was distracted by texting and used 12 quart of paint in 54 hour. What is the difference in her usage rates in quarts per hour?


A)1/4


B)2/3


C)4/15


D)16/15

Answers

Answer:

C

Step-by-step explanation:

The difference in her usage rates in quarts per hour is 4/15, the correct option is C

What is the average rate of change?

The average Rate of Change of the function f(x) can be calculated as;

[tex]f(x) = \dfrac{f(b) - f(a)}{b-a}[/tex]

Given;

Jill used 12 quart of paint in 34 hour

Jill was distracted by texting and used 12 quart of paint in 54 hour

Now,

1/2 per 3/4 hour = (4/3)(1/2) = 2/3 per hour

1/2 per 5/4 hour = (4/5)(1/2) = 2/5 per hour

2/3 - 2/5 = 10/15 - 6/15 = 4/15

Therefore, the rate difference will be 4/15

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The complete question is

On Monday, Jill used 1/2 quart of paint in 3/4 hour. On Tuesday, Jill was distracted by texting and used 1/2 quart of paint in 5/4 hour. What is the difference in her usage rates in quarts per hour?

What does 3.6÷(-9.8) equal?

Answers

Answer:

3.6-:(9.8)= to -6.2

Step-by-step explanation:

yan po ang sagot

The times for Erin’s five laps around the track were 56.6 seconds, 57.9 seconds, 57.5 seconds, 65.3 seconds, and 65.7 seconds. Using rounding to the nearest whole second as the only estimation technique, what is the total estimated time for Erin’s five laps in seconds?

Answers

It’s 75 seconds for the answer

PLZZ HELP ME ONLY GIVE ME THE CORRECT ANSWER PLZZZ this due today !!!!HELPP DUE IN 20 MIN

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:

b

Step-by-step explanation:

7[tex]\sqrt{x} \\ \\[/tex]

HELP ASAP.

please help the best answer gets brainliest

Answers

She should of crossed multipled

can someone simplify these like terms do not solv just simplify if you do not no how to do this do not try because i need this done by 1.-3/2x-68+2x+8 10 5/6x-1+ 9 1/6x-9 and -3 + x -1/3x+4 .

Answers

Answer:

cheff keff dont like

Step-by-step explanation:

Answer:

1. X - 120 over 2

2.5x over 6 + 8

3. 2x over 3 + 1

Step-by-step explanation:

Solve this equation.
24 + 0.44x = 19 + 1.69x
x = 4
x = 0.44
x = 5
x = 5.4

Answers

Answer:

X = 4

Step-by-step explanation:

All you have to do is plugin 4 where x is and solve and each side will equal the same.

The solution of the given equation 24 + 0.44x = 19 + 1.69x will be x = 4 thus option (A) will be correct.

What is the equation?

There are many different ways to define an equation.

More than one variable may be present inside a linear equation.

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of 2 mathematical expressions.

As per the given equation,

24 + 0.44x = 19 + 1.69x

24 - 19 = 1.69x - 0.44x

5 = 1.25x

x = 4

Hence "The solution of the given equation 24 + 0.44x = 19 + 1.69x will be x = 4".

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PLZZ HELP ME ONLY GIVE ME THE CORRECT ANSWER PLZZZ this due today !!!!HELPP DUE IN 15 MIN

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:

You've asked all day and no one is answering. Go to mathaway.com and it will give you the answer

Step-by-step explanation:

The difference of 7 from 19 divided by 2. Which of the following expressions matches the statement above?
A. 19 − 7 ÷ 2
B. (19 − 7) ÷ 2
C. (7 − 19) ÷ 2
D. 7 − 19 ÷ 2

Answers

C is correct because I got it right
The answer is C

Difference means to subtract so it’s (7-19) and then you divide by two (7-19)/2

Can someone please help..? My dad left to go get milk for 2.36, but then never came back. Where’d he go??

Answers

Answer:

the line must be real long then

Step-by-step explanation:

JK he probable left  

Answer:

he gone

Step-by-step explanation:

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