Mathematics Middle School

HELPPPPP PLEASE
(04.02 MC)
What is the solution to the following system of equations?
4x + 2y = 6
x - y = 3
(2, 1)
(-2, -1)
(2, 4)
(2, -1)

Answers

Answer 1
Answer: Choice D.  (2, -1)

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

Explanation:

Double everything in the second equation to go from x-y = 3 to 2x-2y = 6.

So we have this equivalent system of equations

[tex]\begin{cases}4x+2y = 6\\2x-2y=6\end{cases}[/tex]

We can then add straight down. The x terms add to 6x. The y terms go away because they add to 0. The stuff on the right hand sides add to 12.

After those three sets of addition operations, we have the new equation 6x = 12 which solves to x = 2 after dividing both sides by 6.

Now use x = 2 with any of the equations mentioned that have x,y involved so we can solve for y.

4x+2y = 6

4(2)+2y = 6

8+2y = 6

2y = 6-8

2y = -2

y = -2/2

y = -1

or we could say

x-y = 3

2-y = 3

-y = 3-2

-y = 1

y = -1

Either way, we get the same y value.

Since x = 2 and y = -1 pair up together, we get the ordered pair solution (x,y) = (2, -1). Therefore, the answer is choice D.

If you were to graph the two equations, as shown below, the two lines intersect at (2,-1). This point is on both lines at the same time. This is visual confirmation that the point is a solution to both equations. Though you should still algebraically check each original equation.

HELPPPPP PLEASE(04.02 MC)What Is The Solution To The Following System Of Equations?4x + 2y = 6x - Y =
Answer 2
2,-1 is the answer i’m pretty sure

Related Questions

Write an inequality:
from -5 to -1 inclusive
PLZ HELP I need the answer really quick. My assignment is due today. I will give brainliest and 30 points

Answers

Answer:

We can write this inequality in Interval Notation.

So, an inequality from -5 to -1 inclusive would just be.

[-5, -1].

The "[]" brackets mean "inclusive".

Let me know if this helps!

Answer:

1231

Step-by-step explanation:

12312

Please help meee WITH THIS

Answers

Alexander is correct. He uses P=2(l+w)
He uses p=2 as the term

Express each of the following decimals as a percentage
1.35
solution for class 7

Answers

Answer:

135%

Step-by-step explanation:

To represent a decimal to percentage, multiply by 100

1.35 x 100 = 135

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

the answer would be 135%

Aliya made 8 liters of punch for a party. Did she make more than, less than, or exactly 800 milliliters? Explain your answer

Answers

Answer:

more than

Step-by-step explanation:

8 liters

We know that 1000 mL = 1 liter

8 liters * 1000ml / 1 liter = 8000 ML

That is more than 800 mL

More then 8 liters is 8000 milliliter

Please help me I need this so I can get off my computer it's so late rn

Answers

Answer: 45 units

Step-by-step explanation:

Find the coordinates of R and S

R = -25

S = 20

Then just subtract them to find the distance between them.

20 - (-25) = 45.

Answer:

45

Step-by-step explanation:

First, find out the specific locations of R and S: for R, it is-25, and for S, it is 20 (use the tick marks on the x-axis).

Next, to find out the distance between R and S, be sure to add the absolute value, rather than the actual numbers.

So, ∣R∣ + ∣S∣ = 25 + 20 = 45

Hope this helps and let me know if you have any more questions!

fr33 p0ints/ umm? please help me with this question

Answers

Last choice Bc -1.5 is x value so go right and -1 is y value that goes down Bc it’s negative
A because negative means moves to the right when it comes to x axis and when it comes to y axis you move down the amount of spaces. if positive on x axis move right and positive on y axis move up

Write an equation to represent the following statement.
33 is 15 less than k.
Solve for k.

Answers

33 is fifteen less than k

---"Is" can be a key word in this statement, meaning equals

33 = k - 15

k = 48

Hope this helps!

33 + 15 = K
Answer is K = 48

A map is drawn to a scale of 1 cm to x m. A plot of land with an area of 28 hectares is represented by an area of 112 cm?. Find the value of x. (1 hectare = 10 000 m²)​

Answers

Answer:x=50

Step-by-step explanation:

28 hectares=28 0000 m2

1000

2500

50

the area ratio is the square of the scale drawn ratio

Question down below. Pls have an explanation its optional tho

Answers

Answer:

10-x

Step-by-step explanation:

The total amount is made up of movies and music

total =  movies + music

10 = x+ music

Subtract x from each side

10-x = x+music-x

10-x = music

Answer:

the answer is 10-x

Step-by-step explanation:

[tex]\sf{}[/tex]

♛┈⛧┈┈•༶♛┈⛧┈┈•༶

Which of the following are accurate descriptions of the distribution below?

Choose all answers that apply:
A) The distribution has an outlier
B) The distribution has a peak from 40 to 45 hours
C) None of the above

[PIC INCLUDED]

Answers

Answer:

Both a and b

Step-by-step explanation:

The distribution has an outlier from 0 to 5 hours. The peak of this distribution is from 40 to 45 hours since this column is the tallest.

A and b because it has an outlier as shown in picture and 40 to 50 is the highest peak

In which pair do both decimals represent rational numbers?

A. 0.397 and 0.8999...
B. 2.28182845904523536... and 0.8999
C. 9.1426535893793238... and 0.397
D. 9.1426535893793238... and 0.8999...

Answers

Answer:

Option b

step by step explanation:

Answer:

Option (A)

Step-by-step explanation:

0.296 and 0.9888 is correct because rational no are terminating and repeating ..

Divide Decimals by Decimals.
Fill in the blanks:

Steps:
1. Make the outside number whole (move the decimal point to the _________.)
2. However many decimals places you moved on the outside number, you must move it over the ________ amount on the inside number.
3. Put the decimal point on the elevator and bring it up on the roof.
4. Divide as with whole numbers.

Answers

Answer:

1-Left

2-same

Answer: 1) right

              2) same

Mrs. Singh made 372 cookies to put in gift boxes. She will put 20 cookies in each box. How many cookies will be left over?

Answers

Answer:

12

Step-by-step explanation:

372 : 20 = 18 (rest 12)

check

18 * 20 + 12 = 372

12 will be left over.
20 times 18 = 360
372-360 = 12

SIMPLIFY THIS!!!!!
7(y - 5) + 3y = 10(y +1)

Answers

The answer is the statement is false!
7(y-5)+3y=10(y+1)
Distribute the 7 to y and -5 and distribute 10 to y and 1
7y-35+3y=10y+10
Combine like terms
10y-35=10y+10
+35 to both sides
10y=10y+45
Subtract 10y from both sides and you’re left with 0=45 which is false- so the answer would be not true or there is no answer. Hope this helps!!!
Simplifying
7(y + -5) + 3y = 10y + 10

Reorder the terms:
7(-5 + y) + 3y = 10y + 10
(-5 * 7 + y * 7) + 3y = 10y + 10
(-35 + 7y) + 3y = 10y + 10

Combine like terms: 7y + 3y = 10y
-35 + 10y = 10y + 10

Reorder the terms:
-35 + 10y = 10 + 10y

Add '-10y' to each side of the equation.
-35 + 10y + -10y = 10 + 10y + -10y

Combine like terms: 10y + -10y = 0
-35 + 0 = 10 + 10y + -10y
-35 = 10 + 10y + -10y

Combine like terms: 10y + -10y = 0
-35 = 10 + 0
-35 = 10

Solving
-35 = 10

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

What are some things you know about linear functions?

Answers

Linear functions are those whose graph has a straight line.
I learned that linear functions is known as a slope and a rate of change.

Please help! I need detail and I need a part a and a part b! Please I need this fast!

Answers

Answer:

A) 60 cents

B) 10 pounds of cabbage = 6 $

Step-by-step explanation:

The number of pounds of cabbage = (x)

The price = (y)

(x,y) = (5,3)

That means for 5 pounds of cabbage the price is 3 dollars.

A.

The price for 1 pound of cabbage can be found using this equation

5x = 3

x = 3/5 or 0.6

60 cents.

B.

(10,6) means that for 10 pounds of cabbage, the price is $6.

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

a- 60
b- 10lbs of cabbage, 6 $

If h(x) = x2-5x + 7 find:
⅓ h(-8)

Answers

Answer:

[tex]\displaystyle \frac{1}{3} h(-8) = 37[/tex]

Step-by-step explanation:

Hi there!

[tex]h(x) = x^2-5x + 7[/tex]

First, find h(-8) by replacing all of [tex]x[/tex] with -8:

[tex]h(-8) = (-8)^2-5(-8) + 7\\h(-8) = 64+40 + 7\\h(-8) = 111[/tex]

Now, find ⅓ h(-8) by multiplying the entire expression by ⅓:

[tex]\displaystyle \frac{1}{3} h(-8) = 111 * \frac{1}{3} \\\\\displaystyle \frac{1}{3} h(-8) = 37[/tex]

I hope this helps!

1/3 (h(-8)) = 37. hope this helped

Is what I did correct if not then what is the answer

Answers

Answer:

Yes it is correct

Step-by-step explanation:

Answer:

You're correct!

Subtract 47 from both sides.

j = 55 - 47

Simplify 55 - 47 to 8.

j = 8

Give three equivalent rates that describe the top speed of a tuna.​

Answers

27 miles per hour 29 miles per hour and 32 miles per hour
27, 29, and 32 miles per hour

Step by step on how to do this plz

Answers

Answer:

a=8/3

Step-by-step explanation:

(-1/8)a=(5/8)a-2

2=((5/8)+(1/8))a

a=8/3

Step-by-step explanation:

hope this is helpful please

pls help… I don’t understand this stuff

Answers

7 is 3. you are just flipping the equation

same thing for 8 (16)

9 do 20x18 then multiply that by five.

10 just add all four numbers

11 let me look up distrutive property rq bc i forgot

The person above me is right I hope
You all have a wonderful day

Help!!
I need help with my math!!

Answers

Step-by-step explanation:

[tex]thank \: you[/tex]

50+75=125
125-180=55
The answer equal to 55

Plsss helppp! I will give brainliest!! (13 points!)

Answers

Answer:

The model goes Left 4 times, and Up 2 times.

Answer:

start at the origion of 0,0, then go right 4 units, and up 2 units if i am not mistaken

Step-by-step explanation:

What is the Tenth COMMON FACTOR of 6 and 9? (DO NOT respond with the LCM of 6 and 9)

Answers

GMC Answer : 3 because of there
no 3 yhe othr it erng

May someone help me with this question?(Extra points maybe brainliest for the person who I think helped the most best way.

Answers

The answer is 11, 9+2=11

Answer:

15

Step-by-step explanation:

The distance from (-2,1) to (6,1) is 8 units

The distance from (6,1) to (6,-3) is 4 units

The distance from (6,-3) to (9,-3) is 3 units

Now add 'em up: 8 + 4 + 3 = 15

The length of the biking trail is 15 units long!

Hope that helps <3

Hi! So, I need help. (Look at Screenshot below)

Answers

Answer:

(2 + 3/7) + 4/7

Step-by-step explanation:

(2 + 3/7) + 4/7

Regrouping

2 +(3/7+4/7)

2 +(7/7)

2+(1)

3

The answer is 3 because 3/7 + 4/7 makes 1 whole and 2 + 1 = 3

PLZ HELPPPP!!! WILL GIVE BRAINLIEST! TYSM!!

Find the arc length of the semicircle.
Either enter an exact answer in terms of π (pi) or use 3.14 and enter your answer as a decimal.

Answers

Answer:

6 pi

Step-by-step explanation:

The arc length is 1/2 of the circumference

C = pi * d

So the arc length is 1/2 C

arc length= 1/2 ( pi *d)

                = 1/2 pi(12)

                = 6 pi

6pi
shshdhnddbdndbdbdb

help plz its due tomorrow​

Answers

Answer:

Go to Slader.com and select the grade lvl and click the page number

Step-by-step explanation:

hope this helps

Slader.com

Step-by-step explanation:

PLZ ANSWER!!! IF YOU ANSWER U GET 20 POINTS
Find |-65|.

0
65
-65

Answers

65 Bc absolute value of negative is positive
65 is correct. Hope
It helps you

Candy counted to 600 by 6's, beginning with 6. Danny counted to 600 by 4's beginning with 4. How many the numbers that candy counted were also counted by Danny?

Answers

Step-by-step explanation:

If we count for both numbers up to 36, we start seeing a pattern...

Candy: 6 12 18 24 30 36

Danny: 4 8 12 16 20 24 28 32 36

Every other number in Candy's counting is also counted by Danny. So here's what we'll do:

Divide 600 by 6

600/6 = 100

This is how many numbers Candy counted overall.

Divide the result by 2.

100/2 = 50

This is how many numbers Danny counted that were also numbers Candy counted.

Answer:

50 of the numbers that candy counted were also counted by Danny.

Answer:

50

Step-by-step explanation:

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