12х – 5y = — 20
y = x+4
can someone help me find the x and y

Answers

Answer 1

Answer:

0 I think because when you plug y in and combine like terms, you get 7x=0

Answer 2

Answer:

(I'm not sure what you're asking but I believe you're asking for the coordinate where they intersect!)

The lines intersect at (0, 4)

Step-by-step explanation:

Question:

12x-5y=-20

y=x+4

1) Simplify the first equation!

12x-5y=-20

Move 12x to the other side (remember when you move numbers to the opposite side of the equation, it makes them negative) to isolate y!

-5y=-20-12x

Divide all numbers by -5 to just get the variable y

y=4+12/5x

2) Solve

I'm going to be solving by substitution since I like this method the best!

y=4+12/5x

y=x+4

1) Set the equations equal to another (you'll be replacing the variable of y for an equation)

x+4 will be replacing y of the other equation

x+4 = 4+12/5x

2) Simplify

Subtract x on both sides

x-x + 4 = 4+ 12/5x-x

4=4+7/5x

Subtract 4 on both sides

0=7/5x

x is equal to 0!

3) Find y

1) Set x equal to 0 in an equation (I'm doing y=x+4 because it's easier!)

y=x+4

y=0+4

2) Simplify

y=4

Answer:

(0, 4)


Related Questions

What is the value of 24 – ( - 6 – (5 + 8))?
O A. 5
B. 27
C. 31
O D. 43

Answers

The correct answer is 43

Mrs. Fekin bought herself a new water jug. The jug of water holds 64 ounces. If she drinks 4 ounces per hour, after how many hours will the jug have 32 ounces in it?

Answers

Answer:

(64-32)/4=8

Step-by-step explanation:

Your answer is 8. Simple Math

PLEASE HELP
Write an equation in standard form of the line that passes through the given point
and has the given slope.
1. (2,-4); m= 2/3
2. (5, -3); m - 2
3. (6,0); m= 3/4
4. (-1, 2); m - 7
5. (-3,-5), m=13
6. (4,0); m - -5

Answers

Answer:

the answers are all in the picture

Step-by-step explanation:

Lmk if you need more explaining :)

3. FIHG is a rhombus. Find the value of x.
1
H
ZFIR = 3x + 40
R
ZFGR = x^2
F
G

Answers

Answer:

where is the rhombus

Step-by-step explanation:

$39 for a case of 75 bananas

Answers

Answer:

?

Step-by-step explanation:

is there more to the question

Answer:

$0.52 per banana

Step-by-step explanation:

brainest right here

How do you solve this? Please help!

Answers

Answer:

b

Step-by-step explanation:

u can use the ration method

15:15+36

20:6x-7

then cross multiply

and x =12.5

Answer:

x = 12.5

Step-by-step explanation:

The large outer triangle and the small inner triangle are similar, thus the ratio of their corresponding sides are equal, that is

[tex]\frac{20}{6x-7}[/tex] = [tex]\frac{15}{15+36}[/tex] = [tex]\frac{15}{51}[/tex] ( cross- multiply )

15(6x - 7) = 1020 ( divide both sides by 15 )

6x - 7 = 68 ( add 7 to both sides )

6x = 75 ( divide both sides by 6 )

x = 12.5

5x + 2y = 7
Solve for y

Answers

The correct answer is attached below:

Answer:

y=  7/2-5x/2

Step-by-step explanation:

Find the slope and y-intercept for the table.



slope:

y-intercept:

Answers

Answer:y is 60 slope is -10

Step-by-step explanation:

What is the percent of change from 24 to 30?
A.
20% decrease
B.
25% decrease
C.
20% increase
D.
25% increase

Answers

Answer:

D

Step-by-step explanation:

24        X

----  =   ----          than cross multiply and solve for X

30       100

Answer:

I am not sure I this one but The answer is efither B or D

Try going with the answer D if its not the answer its my fault. I am sorry if You get this wrong.

Evaluate the expression when c= 3.
c²+6c-3

Answers

Answer:

21

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Step-by-step explanation:

Step 1: Define

c² + 6c - 3

c = 3

Step 2: Evaluate

Substitute:                    3² + 6(3) - 3Exponents:                   9 + 6(3) - 3Multiply:                        9 + 18 - 3Add:                              24 - 3Subtract:                       21

Solve for y.
14-y= b

Answers

14 - y = b
14 = b + y
14 - b = y

I hope this helps!

The value of y in the expression 14 - y = b is y = 14 + b.

What is a numerical expression?

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, An expression 14 - y = b, Now solving for 'y' is the same as finding the value of y so we'll separate y on the LHS and all the other terms on RHS.

Therefore,

14 - y = b.

- y = b - 14.

- ( - y) = - (b - 14).

y = 14 + b.

learn more about numerical expressions here :

https://brainly.com/question/29199574

#SPJ2

how many solutions are there to this problem

|m-2|=2

Answers

Answer:

2 solutions

-4 and 4 are possible answers

Step-by-step explanation:

Mr. Myers wants to join a music club. The 1st choice music club charges a $5 sign-up fee and $1 each song.The superstar music club charges no sign-up fee and charges $3.50 each song. After how many song will the cost of the music clubs be equal?

1st choice music club equation: _____ Superstar Music Club Equation: _____
Solution: _____
THIS WAS DUE YESTERDAY, with a lot of other confusing problems! Please help!

Answers

Answer:

The answer is 2 songs and the solution is 7.

Step-by-step explanation:

1. Make an equation for each club. The 1st choice music club equation is 5+1x and the Music Club equation is 3.50x.

2. Go down the number line starting with 1 and replace x with that number and solve the equation until you get the same number on each side with the same replacement number.

3. So, 5+1x becomes 5+1(2) and that would equal 7. Then do 3.50x becomes 3.50(2) and that would also equals 7.

Note: When a number has a number next to it in parentheses then that means to have to multiply first. If you don't then you will get the wrong answer.

What is the Simplified Answer: (5x+11)-(2x-3)

Answers

Answer: 3x + 14

Step-by-step explanation: you have to combine the terms 11 + 3 = 14  5x - 2x = 3x

3x+14 is the simplified answer

1. You get paid $8.00 an hour to babysit. They will increase your pay 25% because
you are working during the lowa Game. (D)

Answers

Go with d it should be wright if not sorry

Find the perimeter of the figure.
9 mi
5 mi
9 mi
4 mi

Answers

27 mi,, to find the permiter just add all the sides

HELP IMMEDIATELY!!
Type the correct answer in the box. Use numerals instead of words.
The graphs of functions f and g are shown.
Function g is defined as . What is the value of c?
The value of c is __.

Answers

Answer:

The value of c is 3

Step-by-step explanation:

Here, we want to get the value of c

From the question, we can select a single x-point

when x = 16

f(x) = 2

g(x) = -1

Thus;

g(16) = f(16) - c

-1 = 2 - c

c = 2 + 1

c = 3

Answer:

- 3

(got it right on edmentum)

but for your assurance so you can get this question right please make sure to look at the picture below↓

What is the domain of this function in the graph below?

What is the interval?

Answers

Domain in interval: [6,infinity)

I need help with this!!!

Answers

Answer:

1). 23, 8, 5, 10

2). x = 4

3). 18

4). 71

5). 48

6). 68

7). Look at picture

x = 7, y = 12 .... just sub the values of x and y into the appropriate spaces to find the other side lengths

Explanation:

1.

They are congruent triangles, therefore the measurements would be the same

2.

24x - 19 = 16x +13

8x = 32

x = 4

3.

8x - 37 = 5x + 17

3x = 54

x = 18

4.

4x + 19 = 6x - 7

2x = 26

x = 13

MN: 4x + 19

(4*13) + 19

= 71

5.

2x = 14

x = 7

CD: 7x - 1

(7*7) - 1

= 48

6.

3x + 4 = 5x -16

2x = 20

x = 10

JM = 3x + 4

= 34

ML = 34 (congruent triangles have same measurements)

34 + 34 = 68

Cheddar Cheese

$3/1b

Swiss Cheese

$5/16

Keisha is catering a luncheon. She has

$30 to spend on a mixture of Cheddar

cheese and Swiss cheese. How many

pounds of cheese can Keisha get if she

buys only Cheddar cheese? Only Swiss

cheese? A mixture of both cheeses?

What linear equation in standard form can

she use to model the situation?

If she buys only Cheddar, and she spends all $30, she can buy

(Type an integer or a decimal.)

pounds.

Answers

Complete question :

Cheddar Cheese

$3/lb

Swiss Cheese

$5/lb

Keisha is catering a luncheon. She has $30 to spend on a mixture of Cheddar cheese and Swiss cheese. How many pounds of cheese can Keisha get if she buys only Cheddar cheese? Only Swiss cheese? A mixture of both cheeses?

What linear equation in standard form can she use to model the situation?

Answer:

10 lbs of cheddar cheese

6 lbs of Swiss cheese

$3a + $5b = $30

Step-by-step explanation:

Given that :

Cheddar cheese = $3/lb

Swiss cheese = $5/lb

Total amount budgeted for cheese = $30

How many pounds of cheese can Keisha get if she buys only Cheddar cheese?

Pounds of cheedar cheese obtainable with $30

Total budget / cost per pound of cheddar cheese

$30 / 3 = 10 pounds of cheedar cheese

Only Swiss cheese?

Pounds of cheedar cheese obtainable with $30

Total budget / cost per pound of Swiss cheese

$30 / 5 = 6 pounds of Swiss cheese

A mixture of both cheeses?

What linear equation in standard form can she use to model the situation?

Let amount of cheddar cheese she can get = a

Let amount of Swiss cheese she can get = b

Hence,

(Cost per pound of cheddar cheese * number of pounds of cheddar) + (Cost per pound of Swiss cheese * number of pounds of Swiss cheese) = total budgeted amount

(3 * a) + (5 * b) = $30

$3a + $5b = $30

The price of a remote control car was reduced from $200 to $120. By what percentage was the
price of the remote control car reduced?

Answers

Answer:

%40

Step-by-step explanation:

Jeremiah's credit card has an APR of 22% calculated on the previous monthly
balance. His credit card record for the last 7 months is shown in the table
below.
End of Previous
Month Balance
$0.00
2 $255.87
3 $297.39
4 $319.80
5 $318.72
6 $531.98
7 $460.64
New
Charges
$255.87
$156.83
$96.96
$133.05
$267.42
$78.91
$301.48
Payment
Received
$0.00
$120.00
$80.00
$140.00
$60.00
$160.00
$220.00
Finance
Charges
$0.00
$4.69
$5.45
$5.86
$5.84
$9.75
$8.45
Principal
Paid
$0.00
$115.31
$74.55
$134.14
$54.16
$150.25
$211.55
New
Balance
$255.87
$297.39
$319.80
$318.72
$531.98
$460.64
$550.57
On what amount of money will Jeremiah be charged interest for month 8?
A. $301.48
B. $220.00

Answers

Answer: it's $550.57

Step-by-step explanation:

Vector Vector P Q has an initial point at (3, 3) and its terminal point is at (5, 7). Vector Vector R S has an initial point at (4, –6) and its terminal point is at (1, –5). What is the component form of vector Vector P Q minus R S?

Answers

Answer:

5,3

Step-by-step explanation:

Took on Ed

Answer:

5,3

Step-by-step explanation  

Vector PQ in component form is 2,4 (5-3),(7-3)

Vector RS in component form is -3,1

After subtracting -3,1 from 2,4 you get 5,3

Answer: 5,3

There are some nickles,dimes and quarters in a large piggy bank.For every 2 nickles there are 3 dimes.For every 2 dimes there are 5 quarters.There are 500 coins total.How many Nickles,Dimes and Quarters are in the piggy bank?

Answers

Answer:

I have no clue

Step-by-step explanation:

A rectangle is 9 centimeters long and 5 centimeters wide. What is the diameter?

Answers

Answer:

A rectangle doesn't has a diameter

________________________________

But if you are asking about perimeter.

Step-by-step explanation:

Perimeter = 2(l + b)

l = 9cm

b = 5cm

Perimeter = 2(l + b)

= 2(9 + 5)

= 18 + 10

= 28cm

Delilah and a group of friends had excellent service at a restaurant. They would like to give the server a 25 percent gratuity on their $140 bill.

Answers

Answer:

Here we want to calculate the 25% of $140.

Well, first we assume that:

$140 = 100%.

Now, assuming that, we can write the equation:

X = 25%

Where X is the 25% of $140.

Then we have the equations:

$140 = 100%

X = 25%

Let's take the quotient between these equations:

$140/X = (100%/25%)

Now let's solve this for X:

X = (25%/100%)*$140 = 0.25*$140 = $35

Then the tip will be of $35

35

you have to split 140 into 4 parts which is division

your  expression would be 140 divided by 4

m=2/3; passes through the point (3,-1)
your response will be the number value for b​

Answers

9514 1404 393

Answer:

  -3

Step-by-step explanation:

The "b" is the y-intercept in the slope-intercept form ...

  y = mx + b

Filling in the given values, we can find b.

  -1 = (2/3)(3) +b

  -1 = 2 + b . . . . simplify

  -3 = b . . . . . . . subtract 2

The value for b is -3.

Please please with a cherry on top
if your dont like cherries then maybe a Oreo on top
and if you dont like Oreo's maybe then a Waffle on top
I dont know you choose but can you please help me answer this question
(Find X & Happy Thanksgiving)

Answers

The answer is no solution.

Explanation:
Because of pemdas, first, solve the parentheses. It becomes 4.2x + 3, as multiplying by 0.5 caused the same effect as if you were to divide by 2. Now if you look at the problem, it is just 4.2x - 3 = 4.2x + 3. Even though the symbols are different, they are still equal to eachother.

The diagram shows a triangle.
3t
2t–50°
2t–50°
What is the value of t?
t =

Answers

3t+2t-50+2t-50=180
7t-100=180
+100. +100
7t=280
t=40

Put these in order starting from the smallest
6^2 3^4 2^9
5^3

Answers

Answer:

6^2, 3^4, 5^3, and 2^9

Step-by-step explanation:

6^2= 36

3^4= 81

5^3= 125

2^9= 512

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