Mathematics Middle School

−3x+y=−2

+3x+4y=-38+3x+4y=−38

When the equations are added together, the new equation is...

Answers

Answer 1

Answer: 5y= -40

Step-by-step explanation: When you add the -3 and + 3 they equal zero and that single y has an imaginary 1 in front of it so 1y+4y=5y. And -2 +-38 is -40. :)

Answer 2
5y= 40 i think well i’m pretty sure

Related Questions

Plz help me thank ...

Answers

Answer

396 miles and $28.71

Answer: 396 gallon, and $28.71 rounding up ($28.7) cent

Step-by-step explanation:

40mil x 9.9 gallons = 396

9.9 x 2.90 = 28.7

Proof..

396/9.9 = 40

28.71/2.90 = 9.9

hope it helps  :)

Express each rate in per unit form.
1. 360 miles on 10 gallons of gasoline
2. 120 miles in 2 hours
3. 20 ounces of pancake mix for $1.90
(whoever answers first will get a brainliest, a thanks, and a 5 star review)

Answers

36:1, 60:1, 10.53:1 hope this helps

Blake bought a total of 24 doughnuts . Each doughnut costs $0.95 , including tax . Of the doughnuts he bought , 5858 were Boston Creme doughnuts and the rest were glazed doughnuts . What was the total cost of the Boston Creme doughuts

A . $4.75

B . $22.80

C . $14.25

D . $15.00

Answers

Answer:

C

Step-by-step explanation:

YUH i didd it before . C . $14.25

Answer:

You didnt say if you had 5 or 8 so i did 5 if not ill explain how to use the number

Step-by-step explanation:

5: 4.75

Mutiply the number of boston creme by 0.95 and you should have your number. Hope this helped!!

The drama club spent $608 on food for a party for its 38 members. The hall they rented costs $50 per hour. The door prize was worth $300. Let a be the amount spent on food per person and let be be the number of noise they rented the hall.
Which equation represents how much was spent on this event? Let S be the total amount spent. ( choices in pic)
Part B
How much did the club spend on food per person? Enter you answer in the box
$__

Answers

Answer:

part a: S= 200+ 608÷38+ 50b

part b: 16

Step-by-step explanation:

608÷38= 16

Part a is the 2nd one
Part b is 16

Help lol
Hilary is ordering a large circular pizza from her local pizza shop. She asks about the size of the pizza and is given three different values: 14 inches, 44 inches and 7 inches.



Hilary knows three measurements that are used to describe circles: radius, diameter and circumference. Which value best matches each measurement? Explain your reasoning.

Answers

Seven will be your radius because it is the smallest measurement 14 will be your diameter because that is double your radius and 44 is your circumference

u all reallyyy gottaa help me

Answers

Answer:

20?

Step-by-step explanation:

4*4=16

6*6=36

36-16=20

Sheeeeeseeeeeeeeeeeeeeeeesh

HELP ME PLEASED IT IS DUE TODAY AND NO LINKS

Answers

Answer:

a

Step-by-step explanation:

city 2 has a wider range so it's less consistent

The answer is a hope that helped

Question 2 help me and i will give brainlist

Answers

Answer: A) 26cm^3

Step-by-step explanation: Hope this help :D

Answer:

Pretty sure its 270

According to the line plot, what is the total distance that was run by the runners who each ran for 1/3 of a mile?

Answers

Answer:

[tex]1\frac{1}{3}[/tex] miles

Step-by-step explanation:

4 runners ran 1/3 of a mile:

4*1/3 = 4/3, or 1 1/3 mile

Answer:

1 1/3 miles

Step-by-step explanation:

1/3+1/3+1/3+1/3=1 1/3

h e l p p p p p m e e e e e e e e e

Answers

Answer:

(0,5) and (0,10).

Step-by-step explanation:

when put on a graph, those are the two points.

best way to find it is using the desmos graphing calculator website

A minute hand of a clock is 16cm long find the distance traveled by the tip of the minute hand in one hour. plsssssssssssss helppppppppppppppp

Answers

Answer:

32π in

Step-by-step explanation:

I believe its correct let me know if not ^^

Answer: 32 in

Step-by-step explanation:

it correct

The Suzuki family uses up a 1/2-gallon jug of milk every 3 days. At what rate do they drink milk?

Answers

Answer:

they drink 1/6 everyday?

1/6 everyday because 1/2 divided by 3 is 1/6

what does the f represent in f/4 = 22

Answers

Answer:

8

Step-by-step explanation:

The answer is 88 because 88/4 equals 22

A clothing store is having a sale on graphing T-shirts and plain T-shirts. There are 56 graphic T-shirts on sale. The store manager said this is 70% of the total number of T-shirts on sale. What is the total number of T-Shirts on sale?

Answers

Answer:

80

Step-by-step explanation:

80 shirts on sale, some basic divisoin/ multiplication.

Answer:80

Step-by-step explanation:

80 shirts on sale, basic divisoin and multiplication

The principal at Marina Middle School wants to determine if the 120 students in the seventh grade prefer to visit the aquarium or the science museum for their end-of-year trip. Select All The sets of people that would be a representative sample of the population.

20 sixth-grade students, 20 seventh-grade students, and 20 eighth-grade students

10 seventh-grade boys and 10 seventh-grade girls

25 seventh-grade students

15 seventh-grade boys and 5 teachers

25 students from the school

Answers

Answer:

2 and 3

Step-by-step explanation:

It’s going to be 2 and 3

Anybody? I'm pretty sure calculators don't do it right so..please no calculators. ;-;

!!BTW!! I'll give brainliest! :)

Answers

Answer:

.109 !!

Hope this helps!!

Answer:

0.109

that's the answer

Please can someone help I will mark brainlest for the right answers

Answers

Answer: 4 is 3 5 is 8 6 is 15 and 7 is 24

Step-by-step explanation: i am not sure if this is math but yeah just do 20% of each number

4. .0075
5. 0.02
6. 0.0375
7. 0.06

Could someone please help me with these two questions?

Answers

1 17/20 as a percent is 185%
27/50 as a percent is 54%

Answer:

1. 54% 2. 185%

Step-by-step explanation:

1. 27/50x100

2. 37/20x100

hope this helps

(08.01 MC)
The graph shows two lines, A and B.

Part A: How many solutions does the pair of equations for lines A and B have?
Explain your answer.

Part B: What is the solution to the equations of lines A and B? Explain your answer.

Answers

part A: it has 1 solution. the two lines shown (to my knowledge) are a pair of linear equations with different slopes. they are not parallel meaning they intercept once.

Part B: the solution is (3,5) this is the point where they intercept

Help pretty please .w.

Answers

I don’t know what that is it’s probably 9999999

lowkey not getting this can i get some help??<\3

Answers

I believe it’s the third option sorry if I’m incorrect tho
i think it’s the third option

Help please asap i will give brainlist if right​

Answers

Answer:

also 3/4

Step-by-step explanation:

This is an eqaulatrial triangle with a right angle.

3/4 that’s what I got I just answered I hope I’m right

Help me plz ill give Brainlys

Answers

It’s d. It’s 12000x12000 which equals 24000

When each side of a rectangular prism is tripled, how does the volume of the new rectangular prism compare to the original prism?

a.The volume is 6 times the original volume
b. The volume is 18 times the original volume
c. The volume will be triple the original volume
d. The volume will be one-third the original volume

Answers

Answer:

C. The volume will be tripled the original volume

Step-by-step explanation:

It says it in the first sentence

C : The Volume will be triple the Original Volume

1) King Burger sells 3900 hamburgers per hour worldwide. At this rate, how many hamburgers would they sell in one minute?



2) In Mrs. Hewitt's Class, 7 out of 35 students play soccer. What percentage of the class does NOT play soccer?



3) The ratio of blue balloons to red balloons in a bouquet is 12:9. If a birthday bouquet has 36 blue balloons, how many red balloons should there be?

Answers

1) 65 hamburgers a minute
65 burgers per hour

The circle graph describes the total books checked out of a city library in one day:



If a total of 300 books were checked out, how many more sports books were checked out than biographies?

Answers

Answer: A 17 more

Step-by-step explanation:

put in order from greatest to least
2.96 , 3 1/5, 3.48, 3 1/4

​

Answers

2.96, 3 1/5, 3 1/4, 3.48

The table below shows the ages of employees under 30 at a company and their annual salaries.

Answers

Answer:

A

Step-by-step explanation:

Answer:

A

Explanation:

It’s the only one where it shows 24yr olds making 34k

***20 POINTS-WILL MARK BRAINLIEST***
#2

Answers

Answer:

1)

Scientific: 3*10^2

Standard: 300

2)

Scientific: 4.5*10^5

Standard: 450000

3)

Scientific: 1.5*10^-3

Standard: 0.0015

Step-by-step explanation:

There is a rule in mathematics that goes like this: If you have an exponent divided by an exponent and they have the same base, it is the same thing as subtracting it from each other.  

Example: if we had [tex]\frac{10^5}{10^3}[/tex], we could subtract 3 from 5 and get 2, and therefore our answer would be 10^2.  

We can apply this rule to all three of these problems.  

1) If we subtract the exponents, we get 9-7=2. Therefore our new exponent will be 2.  Next, divide the two numbers multiplying 10.  They are nine and three. 9/3 is 3, so our answer is 3*10^2.  Next we convert to standard form.  Multiply 3 time 10^2, and you get your answer.  10^2 is 100, 3*100 is 300, so our answer in standard form would be 300.  

You can repeat this same process with all of the problems.  

PLZZZZ HELP ME if you dont know the answer plz dont help me

Answers

Answer:

it will be a

Step-by-step explanation:

I think that it is b
Other Questions
1.4 Due at the end of the week.Best answer will get brainiest.^-^ Which best describes an effective way of synthesizing information from... Which of these describes a difference between viruses and cells?A. Cells contain protein, and viruses contain only carbohydrates.B. Viruses have flagella, and cells have only cilia.C. Cells reproduce independently, and viruses require a host to reproduce.D. Viruses have membranes made of proteins, and cells have membranes made of nucleic acid. Which expression means the same as "the quotient of 8 less than x and 4"? what are radioactive tracers used for HELP You have learned that the world's oceans are stratified based on differences in density. Which option is not one of the three major layers of the ocean?A) surface zoneB) shallows zoneC) deep zoneD) thermocline An ice cream shop offers 40 different flavors. To simulate the most commonly chosen flavor, you could write the name of each flavor on a piece of paper and put it in a bag. Draw from the bag 100 times, and see which flavor is chosen the most. Complete the statement about why this simulation is not a good way to figure out the most-commonly chosen flavor. Drawing from the bag is (random or not random),but people usually (do or do not). Randomly choose ice cream flavors. Match the solution given below on the number line to its inequality. No links I will report please help :Renita's Bike RideRenita is riding her bike to school. It takes her 5 minutes totravel half of a mile. Evaluting the health of a dating relationship on a regular basis is important. A. trueB. false hey! ill give brainliest help thanks Shortest to longest in order1 mm, 1m, 1cm, 1 km what is the measure of WUT? What is the concepts of ENVIRONMENTAL DETERMINISM AND POSSIBILISM in Geographical thought? Find the image of the given pointunder the given translation.P(-3,-3)T(x,y) = (x -8, y-3)P' = ([?], []) In the Caribbean countries, general election is usually held every _ years 10 points for each question please show work Find the length of the leg x. Enter the exact value, not a decimal approximation. Direct Proportion Kofi covers a distance of 5km with 10 gallons of fuel. How many km he cover with 5 gallons If you find that using eye focus does not improve the number of lines you read per minute, you should read as you normally would instead with your face closer to the page using a finger guide as a new strategy articles with shorter lines to improve results