please help, this is 7th grade math

Answers

Answer 1

Answer:

its -1 and 3/4

Step-by-step explanation:

because u have to find a common denominator first and then a negative plus a positive is a negative so i hope this helps i just learned this like two weeks ago

Answer 2

-3/4.

When there is a plus and a minus sign, it means add a negative, so take out the plus sign.

1/2-5/4

Find like terms

2/4-5/4

2-5 =-3

4. =4

Therefore the answer is -3/4

Related Questions

Help Asap show your work on both will mark brainliest!

Answers

Answer:

27. You'll lose 24 points in the trivia game

28. The average yearly change is 12 employees per year.

Step-by-step explanation:

27. 3 times 8 is 24

28. 60 divided by 5 is 12

The graph of a proportional relationship contains the point with coordinates (3 , 12). What is the constant of proportionality of the relationship?

Hint: remember y/x

Answers

Answer:

It would be Y

Step-by-step explanation:

Answer:

The answer is Y

Step-by-step explanation:

can anyone help please

Answers

Answer (least to greatest): Virus, Human Hair, Parasite, Paper

Step-by-step explanation: The number of zeros on the left side is the same as the exponent at the end of the problem.

Answer:

1.7*10^-6

6.7*10^-4

9.65*10^-2

2.5*10^-2

Step-by-step explanation:

0.0000017

0.0067

0.0965

0.025

Cindy deposited $350 into a savings account. As long as the account balance remains at or above $200, she does not have to pay a service fee for the account. For how long can she withdraw $30 a month without having to pay service fees?
A) 5 months
B) 6 months
C) 7 months
D) 8 months Help!

Answers

Answer:

5 months

Step-by-step explanation:

30x5=150

350-150=200

Answer:

$350 - $200 = $150 ÷ $30 = 5

=> A) 5 months

A school paid $31.25 for each calculator.
a. If the school bought x calculators, how much did they pay?

b. The school spent $500 on calculators. How many did the school buy?

Answers

Answer:

A. 31.25x=$500

B. 16

Step-by-step explanation:

The amount paid for x calculators is 31.25x.

The number of calculators the school bought is 16.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Cost of each calculator = $31.25

Cost of x calculators.

= 31.25x

Now,

The total cost of the calculators = $500.

The number of calculators bought.

= 500/31.25

= 16

Thus,

The cost of x calculators is 31.25x.

The number of calculators bought is 16.

Learn more about expressions here:

https://brainly.com/question/3118662

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Yo can someone help me out

Answers

Answer:15

Step-by-step explanation:

answer to a division problem is what quotient means

Answer:

well all i can do is agree that it is 15 cause it is

Step-by-step explanation:

yes its 15 it took me a min to get it but yes its 15

Briniest pls help!!!!!!!!!!

Answers

i think brainliest is important

I mean I would really love brainliest but I don’t know how to help because you didn’t post a question.

Use the rule y = - x + 7 to fill in the blank.

If (1, y ) is on the graph, then y = .

Answers

Answer:

I think it’s 6

Step-by-step explanation:

On a graph the x comes first in an equation so x=1

Y=-1+7 is 6

Hope this helps☺️

Y=8 because 7+1 is 8 that’s you’re awnser

Dorian buys 2 pounds of almonds for $21.98 and 3 pounds of dried apricots for $26.25. Which is less expensive per pound? How much is less expensive?

Answers

Dried apricots are $2.24 per pound less expensive.

Step-by-step explanation:

Apricots are less expensive by $2.24 per pound.

Step-by-step explanation:

The cost of 2 pound of almonds for = $21.98

The cost of 1 pound of almonds =

= $10.99

The cost of 3 pounds dried apricots for = $26.25

The cost of 1 pound dried apricots =

= $8.75

Difference in cost per pound = 10.99 - 8.75

= $2.24

3lbs of apricot for $26.25 because they are 2.24 less that 2lbs of almonds for $21.98

Pls FAST ill mark u brainlest
To find the quotient of 8 divided by one-third, multiply 8 by
One-eighth.
One-third.
3.
8.

Answers

Answer:

Step-by-step explanation:

The answer is 3 I think

y = -4x Porportional or not?

Answers

They are proportional

Answer:

yes They are proportional

Step-by-step explanation:

In the diagram below, a vertical plane is slicing through a triangular prism.
Which of the following best represents the shape of the cross section that is being formed?

Answers

the shape that best represents the shape is D

A truck whose bed is 2.5m long, 1.5m wide, and 1.0m high is delivering sand for a sand-sculpture competition. About how many trips must the truck make to deliver [tex]7m^{3}[/tex] of sand?

Answers

Answer:

68.6 Trips

Step-by-step explanation:

2.5m+1.5m+1.0=5

5m per trip

7m^3=343

divide the amount that can fit in each trip (5m)

by the amount of sand needed for the sculpture. (343m)

343 /5=68.6

I believe the answer is 68.9

Arrange the following measurements in order from smallest to largest

4.1 liters, 0.7 liters and 2,000 millimeters

Answers

Answer:

first we change 2000mm into litres and I think 1000 mm is equals to 1 L then you look at the first digit and in the first number we have for as the first digit the second number 0 the third number two so in this case 0.7 l is the smallest then 2000mm then 4.1 letters

The measurements in order from smallest to largest is,

0.7 liters, 2,000 millimeters, 4.1 liters

Here,

Given measurements are, 4.1 liters, 0.7 liters and 2,000 millimeters

We have to arrange in order from smallest to largest.

What is Measurements?

The process of associating numbers with physical quantities and phenomena is called Measurements.

Now,

1 liters = 1,000 millimeters

Hence, 2,000 millimeters = 2,000/1,000 = 2 liters

So,

The measurements in order from smallest to largest is,

⇒ 0.7 liters, 2 liters, 4.1 liters

⇒ 0.7 liters, 2,000 millimeters, 4.1 liters

Learn more about the measurements visit:

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PLEASE HELP NOW PLEASE!!!!!!!!!!!
Eli found the same jacket he wants to buy at four different stores. Each of the stores is offering discounts for the holiday weekend. Place the store letters in the boxes to show the sales price of the jacket from least to greatest.

A. Store A, Store C, Store B, Store D

B. Store A, Store B, Store C, Store D

C. Store C, Store A, Store D, Store B

D. Store B, Store D, Store A, Store C

Answers

Answer:

Step-by-step explanation:

56.54 A

57.6 B

56.375 C

57.375 D

I’m pretty sure the answer is C but I might be wrong

Determine if the given value makes the equation true or false. For x3 – 8 = 15, if x = 69

Answers

Answer:

(69)(3)−8 = 15

199≠15

False

Step-by-step explanation:

hope it helps, 69(3) is already bigger than 15, then -8 makes it 199, which is definitely not equal to 15.

Answer:

False

Step-by-step explanation:

69 * 3 =207

207 - 8 = 199

x3 - 8 = 199 for x = 69

Which equation shows a direct proportional relationship?

A. y = 3/x
B. y = 3x
C. y = 3x - 1
D. 3x + y= 1

Answers

Answer:

A. y = 3/x

Step-by-step explanation:

The answer is A.y=3/x

Helpppppp me ! pleasee!

Answers

The answer has to be 5 because you would have to divide it

Answer:

500

Step-by-step explanation:

Combine the like terms to create an equivalent expression: 2r+1+(-4r) +7

Answers

Answer:

Step-by-step explanation:

Answer: -2r+8

Step-by-step explanation:

This looks easy but it isn't-

Answers

Answer:

First one is 5 windows

Second one is 15 windows

Step-by-step explanation:

because 3 penguins are occupying 3 windows you got to subtract

18-5 = 15

15 is the number of windows avalible

so now you have to divide

15÷3= 5

which is ur answer for the first problem

then 15 for every one penguin so 15

Answer:

its 12 on both of them

Step-by-step explanation:

hey can yall help a girl out and solve this please and thank you :)

Answers

3x-4 that’s the answer hope i helped

The Equation is =______________

Answers

Y= 4/3x + 5 ...........

Y = 4/3x + 5

Explanation: i really don’t know, the answer above me had it. have a good day, remember to eat, get ready and be thankful for what you have bye!

Can someone Please help me and quick An d show the work all of it

Answers

Answer:

Step-by-step explanation:

Like terms must have the same exponents and variables, but can have different coefficients

a is the answer if u get it wrong im soooo sryy

2.760
-2.167
---------

Look at the vertical subtraction problem. How can you use your estimate to quickly verify that you have lined up the decimals correctly?

Answer in 2 complete sentences.

Answers

Answer. To verify that the decimals are lined up correctly, we must ensure that they are both lined up at the same point. The reason this is done is so that whole numbers will be subtracted from other whole numbers, not decimals.
Extra. Hope this helped, if it’s correct let me know so others can use it :)
Good luck :)

Verify the decimals hope this help you

(12 2/3) (3 1/4)

A) 36 1/12
B) 36 1/6
C) 41 1/12
D) 41 1/6

Answers

Answer: A 36 1/12
it is correct

B is right ok you welcome

Write an equation in standard form of the line that passes through (−4,−4) and has the slope m=−32.

Answers

Answer:

32x+y=124

Step-by-step explanation:

-4=-32(-4)+b

-4+128=b

124=b

y=-32x+124

32x+y=124

32x+y=124 is the answer

Please answer the following:

Answers

Answer: The first two recipes will taste the same. The third one will taste different.

Step-by-step explanation: The first two recipes have the same ratio of 2 orange juice to 3 pineapple juice.

Answer:

The first two recipes will taste the same. The third one will taste different.

Step-by-step explanation:

Tammy rents an apartment close to her school campus. The amount that she spends on rent is given by the equation r = 355m, where r is the amount spent on rent and m is the number of months she stays in the apartment. What is the constant of proportionality (r to m) for this proportional relationship?
A. 1/333

B. 1/177.5

C.
177.5
D.
355

Answers

it is C :)) I’m not sure sorry if it’s wrong ...

When we rotate clockwise or counterclockwise, the two rotations should always add up to ( ) degrees

Answers

Answer:

360 degrees

Step-by-step explanation:

needs to add up too 360 degrees

Name the property illustrated by this equation, and describe the meaning of the property.
x * 5 = 5x

Answers

Answer:

Symmetric property

Step-by-step explanation:

If x*5=5x then 5x=x*5

Hoped this helped

Answer:

Commutative Property of Multiplication

Step-by-step explanation:

The commutative property of multiplication says that changing the order of factors does not change the product.

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