Mathematics Middle School
Answers
Answer 1
Answer: x=3 and y=−2
Step-by-step explanation:
x=−2y−1;4x−4y=20
Step: Solve x=−2y−1 for x:
Step: Substitute−2y−1 for x in 4x−4y=20:
4x−4y=20
4(−2y−1)−4y=20
−12y−4=20(Simplify both sides of the equation)
−12y−4+4=20+4(Add 4 to both sides)
−12y=24
−12y
−12
=
24
−12
(Divide both sides by -12)
y=−2
Step: Substitute−2 for y x=−2y−1:
x=−2y−1
x=(−2)(−2)−1
x=3(Simplify both sides of the equation)
Related Questions
Please help with a khan academyyy
Answers
Letter A because when yu solve the equation it’s -6q-6-4q which when yu add like terms equal -2q-6 and it’s equivalent to -6+4q+(-6q) because they both equal the same thing
PLS HELP!! Let's say you are borrowing $5000 from the bank to purchase a donkey named Don. The annual (one year) interest rate for the donkey is 4.4%. How much will you be paying in interest for Don?
Answers
Answer:
220?
Step-by-step explanation:
220 is the answer i believe!!
45% of ____ is 396
what is the blank?
Answers
Answer: 880. Divide .45 from 396 to get 880.
Answer:
178.2
Explanation:
45 x 396
17820/100
178.2
A survey asked 200 Grade 4 students about their reading preferences. Based on the Graph, how many of them would you expect to prefer comic books?
A. 10
B. 20
C. 60
D. 80
E. 100
Answers
C was the correct answer, hope this is help for y’all ;3
Based on the Graph, 10 would you expect to prefer comic books. So, the correct option is A.
What is Graph?
A graph is a framework made up of a number of things, some of which are paired together to form "related" objects. The items are represented by mathematical abstractions known as vertices, and each pair of connected vertices is referred to as an edge.
The link between arcs and points is described by a graph, which is a mathematical description of a network. A graph is made up of certain locations and the connecting lines. It doesn't matter how long the lines are or where the points are located. A node is the name for each element in a graph. Based on the given Graph, 10 would you expect to prefer comic books.
Therefore, the correct option is A.
Learn more about Graph, here:
https://brainly.com/question/17267403
#SPJ3
(ZOOM IN TO SEE THE QUESTION) I need help!!!
Answers
Answer:
359 is your answer
Step-by-step explanation:
Have a good day ;-)
Answer:
359
Step-by-step explanation:
CAN SOME ONE ANSWER MY QUESTION I NEED HELP
you have a shelf that holds 15 1/2 pounds how many 1 1/4 pound books can the shelf hold
Answers
Answer: 12
Step-by-step explanation:
15 1/2=31/2
1 1/4- 5/4
31/2÷5/4=31/2×4/5
31/2×4/5=124/10
124/10=12.4
Because books cannot come as parts, we round this down to 12.
What the person above said
Select the choice that represents: A number increased by 36 equals 52. *
A n + 36
B n + 36 = 52
C n - 36 =52
D 36 -n=52
Answers
B and unfortunately I have no idea how to explain it
please help i need help really bad
Answers
the answer is 108 degrees
A map has scale of 1.5 inches =9 miles. On the map, two towns are 4 inches apart. What distance, in miles, between the two town?
Answers
Answer:
the answer is 24 miles.
Step-by-step explanation:
Penis penis penis 24 miles lol
whats the answer to this question
Answers
Answer:
B
Step-by-step explanation:
The thing you have to do is just read the graph
Answer:
B. (6,6)
I did it before
Nine years ago, Tarah opened a savings account with her bank. She started with a balance of $359 and has not made any withdrawals or deposits since then. If her interest rate is 8% each year, how much interest has accrued using simple interest?
Total Interest = $__________
What is Tarah's new total balance?
New Balance Total = $__________
Answers
Answer:
$258.48
Step-by-step explanation:
Initial balance in the savings account = $359
Interest rate = 8%
you already have your answer, but i hope you’re having a great day!! :)
At the store, you buy x computer games for $13 each and a magazine for $4. Write an expression in simplest form that represents the total amount of money you spend.
asap i will give brianlist
Answers
Answer:
13g + 4m = D
explain:
g=number of computer games
m=number of magazines
D=$ spent
hope this work
If I'm wrong I'm so sorry
If I'm right Thank you (Brainliest plz)
If the lowest temperature in Whitesboro for the week was -1°F and the highest temperature was 20°F, what was the total change in temperature?
Will give brainliest!!
Answers
Answer: The total change is 21.
Since you want to find the change from the lowest to highest, make it into a subtraction problem. First of all, take the smallest number in front of the largest.
20 -1
Next, add a minus sign in between, your equation should look like this:
20 - (-1) = x
Then, you cancel out the negative signs. After that you solve it
20 - (-1) -> 20 + 1.
Lastly, you add them together.
20 + 1 = 21.
In conclusion, the answer is 21.
Answer:
21°F
Step-by-step explanation:
It went from -1 to 20
[-1]= 1
1+20
21
it went up or down 21°F
A A
(๑٥〰️٥๑)️
ϞϞノ -- -- 乀 •⃠
Monica got a $4,500 car loan, to be paid in 3 years. The interest rate is 5%. What will the interest rate is 5%. What will the interest be at the end of 3 years? What is the total she will need to pay back?
Answers
Answer:
4,775.44
Step-by-step explanation:
I don’t know look it up sorry
HELPPPPPPPPPPPP PLZZZ
Answers
I'm sorry I can't see it, it is blocked.
Answer: yes and then no
Step-by-step explanation:
An angle measuring 113° is rotated 180 degrees clockwise. What is the measure of the angle after the rotation?
Answers
Answer: 293 degrees
Step-by-step explanation:
113+180=293 degrees
Answer:
293 i took the test its correct
Step-by-step explanation:
can someone help me with this problem y≤ 1±10
Answers
This is y is less than or equal to 11.
Because 1+10 equals 11 and that symbol is the less than or equal to symbol. So we know, y has to be less than or equal to 11! Hope this helps!
The graph shows the distance, y, that a car traveled in x hours: A graph is shown with x axis title as Time in hours. The title on the y axis is Distance Traveled in miles. The values on the x axis are from 0 to 5 in increments of 1 for each grid line. The values on the y axis are from 0 to 125 in increments of 25 for each grid line. A line is shown connecting ordered pairs 1, 25 and 2, 50 and 3, 75 and 4, 100. The title of the graph is Rate of Travel. What is the rate of change for the relationship represented in the graph? fraction 1 over 50 fraction 1 over 25 25 50
Answers
Answer:
I would say the answer would be y=25x
Step-by-step explanation:
Y=35x as in you increase 35 every time you go up on the graph
Answer:
c
Step-by-step explanation:
25
Which transformation did Benjamin use to create the pattern?
rotations
translations
reflections and rotations
reflections and translations
Answers
B.translation should be your answer (:
It’s. B. Translations
To pay for a concert ticket, Geoff needs to earn $135 in commission. What must Geoff’s sales total for the week?
Answers
10% commission on his total sales at work
Emmy read a total of 28 books over 4 months. After belonging to the book club for 7 months, how many books will Emmy have read in all? Assume the relationship is directly proportional.
Answers
28 divided by 4=7 so you can figure out how many books she reads each month.Then multiply 7 by 7 because she reads for 7 months and you get 49 books read
A park charges $7.50 per hour to rent a bike. The table shows the relationship between the number of hours, h, and the total cost, c. With the information in the table, which expression can be used to find c?
A. [tex]\frac{7.50}{}[/tex]
B. + 13
C. - 15
D. 7.50
Answers
Answer:
C=7.5h
divide both sides by 7.5
c/7.5=h
h=c/7.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
C=7.5 hours
Break all sides of 7.5
c/7.60=h
H = 7.5 h
Which of the following equations shows a proportional function? A y = x + 3 B y = 2x − 1 C y = x − 2 D y = 4x
Answers
Answer:
A or B
Step-by-step explanation:
A function is output = constant •/+/-/÷ input. In any function, the amount of one quantity is dependent on the amount of another.
QUESTION IS IN PICTURE PLEASE HELP ASAP DONT SKIP
Answers
Answer:
y=4.5x+22 (4.5 goes in first box, 22 goes in second box).
Step-by-step explanation:
For starters, you can use that line in the middle, a.k.a. the line of best fit, to help set up your equation.
The equation is in slope-intercept (y=mx+b) form, where m is slope and b is y-intercept.
From the given numbers and the graph, it looks like the y-intercept is about 22 so you can drag the 22 in the last box, where the 'b' should be. your equation is now y=mx+22.
For the slope, just calculate rise over run. I've counted and gotten about 9/2, which equals 4.5 (which is in the choices), which is your slope.
Your final equation is now y=4.5x+22. Hope this helps.
5 ÷ 3/10
Please give me an answer and a answer in fraction form
If you can i need an explanation also.
Thank you
Answers
1 5/8 just use a calculator
Carpet costs $21.95 per square yard and the padding to put under it costs $2.55 per square yard. Felix plans to install padding and carpet in the region shown in the figure. What is the total cost of the carpet and padding needed to exactly cover the room?
Answers
Answer:
$1679.175 or $1679.18
Step-by-step explanation:
split the carpet into rectangles to make it easier to look at
one rectangle is 2 yards in height and 9 yards in width (5 yards plus 4 yards)
area of a rectangle = (w)(h), so 9 x 2 = 18 yards in area.
second triangle is 4 yards in width, and 3 yards in height.
area of a rectangle = (w)(h), so 4 x 3 = 12 yards in area.
Total area = 30 yards
30(21.95)(2.55) = $1679.175 or $1679.18
Answer: $735
Step-by-step explanation: Hi hawang0604, i still have more questions i need help with.
if each dimension of a unit cube is increased by 1. what is the ratio between the surface area of the new cube to that of the original
Answers
Answer:
4:1 or 4/1
Step-by-step explanation:
Original surface area: Each side is 1 * 1 = 1 and there are 6 sides, so 1 * 6 = 6.
New surface area: Each side is 2*2 = 4, and there are 6 sides, so 4 * 6 = 24
The ratio would be 24:6, or 4:1. As a fraction, this would be 4/1
4/1 ^ yea he’s right I remember this
Help me with this- ILL GIVE BRANILEST
Answers
1) 12 ounces of water to one packet of flavoring
2) 5 = 60, 7 = 84, 10 = 120, 12 = 144
4) 23 x 12 = 276 ounces of water
1) 12 ounces of water to one packet of flavouring
2) 5 = 607 = 84, 10 = 120, 12 =144 4) 23*12=276 ounces of water
here, take some dino nuggies.
Answers
Thanks bro I really needed that
Answer:
Did yall eat them all yet?
Step-by-step explanation:
You decide to open a small business in the Bronx. You borrow $15,000 from the bank at an annual interest rate of 7% for 24 months. What is the amount of interest you will pay on this loan?
Answers
Answer:
$2,100 interest
Step-by-step explanation:
15,000×7% = 1,050
1,050×2 = 2,100
Answer:
15000x2x7/100 = 210
Step-by-step explanation:
