4x-5y=23
y=-3x+3
how do i do this

Answers

Answer 1

So to start off you will need to substitute the Y into the equation. As shown in step one. Next you will need to solve for the parentheses by multiplying the 5 into the equation as shown in step 2. Once you do this you should get “ 4x +15x - 15 = 23. Next you will need to combine like terms! As shown in step 3. Next you will need to get rid of the 15 therefore you will add 15 from both sides as shown in step 4. By now you should get 19x= 38. Finally you will need to divide both sides by 19 as shown in step 5 and you will get the answer for x=2. Now that you have the number for x you will go back and substitute it back into the original problem as shown in step 6. Next you need to get rid of the 8 so you will subtract 8 from both sides as shown in step 7. After this you should have -5y=15. Next you will divide both sides by -5 to get the answer to “y” as shown in step 8. After this you should get your final answer as “ x=2 and y= -3

I hope this helps!!!!

Related Questions

cual es la simplificacion de 72/48

Answers

Answer:

3/2 Alli esta ojala que ayude

Answer:

1 1/2

Para encontrar la respuesta, reduzca la expresión, si es posible, cancelando los factores comunes, para obtener la respuesta:

1 1/2 or [tex]1\frac{1}{2}[/tex]

To find the answer, reduce the expression, if possible, by canceling the common factors, to get the answer:

1 1/2 or [tex]1\frac{1}{2}[/tex]

Help asap plz! Ron has a budget of $1,500 to paint the walls in his office building. One gallon of paint will cost 200 square feet and will cost $29.98, including tax. Paint can be bought in only 1 gallon cans. Additional painting supplies will cost $49 , including tax what is the maximum number of square feet Ron can paint if he stays within budget when he buys the paint and supplies?

Answers

You had to take 1500-200 and I will get you 1300 then take 1300÷29.98 and that will get you 533 you take 533 and divided by 49 and that will be 22.7

The maximum number of square feet Ron can paint if he stays within budget when he buys the paint and supplies is 22.7.

Calculation of the maximum no of squares

Since the remaining would be

= $1,500 - $200

= $1,300

Now per unit cost should be like

= [tex]1,300 \div 29.98[/tex]

= 533

Now then the maximum no of squares should be

[tex]= 533 \div 49[/tex]

= 22.7

Hence, The maximum number of square feet Ron can paint if he stays within budget when he buys the paint and supplies is 22.7.

Learn more about squares here: https://brainly.com/question/24591736

HELP!! (Brianlist) PLEASE NOWW

Answers

Answer:

3/6

Step-by-step explanation:

Because if you divide 3/6 by 2 you get 1/2

Answer:

3/6.

Step-by-step Explanation:

Are you d u m b, It shows you the answer.

————-PLEASE HELP————

Oscar has a $2,500 balance on his credit card that accumulates 14.5% interest compounded annually. Which of the following could be used to find the balance on the card after 5 years?

Answers

Answer:

35$

Step-by-step explanation:

It will take 10 years and 11 months to payoff the balance. The total interest is $2,574.43

Quick I need help: Sunny earns $18 per hour delivering cakes.She worked for x hours this week.Unfortunatly,she was charged $10 for a late delivery on Tuesday.How much money did sunny earn this week ?wriite your answer as an expression

Answers

18x - 10
There is no way to find out how many hours she worked so the answer is an expression. An expression has no equal sign.

For each ordered pair , determine wether it is a solution to y=6x+5

Answers

Answer:

1. no

2. no

3. no

4. yes

Step-by-step explanation:

Find the missing number so that the equation has infinitely many solutions.
3x + 9 =
x + 9 + x
What’s the answer?

Answers

3x + 9= 3 (x + 3)
x + 9 + x= 2x + 9

Answer:

x= 0 is correct.

Evaluate the following equation for p:
-3p + 6 + 7p = 22

Answers

Answer:

Step-by-step explanation:

-3p+6+7p=22

-3p+7p=16

4p=16

p=4

Answer:

p = 4

Step-by-step explanation:

-3p+6+7p = 22

-6 -6

----------------------

-3p+7p = 16

4p = 16

--- ---

4 4

------------

p = 4

A colony of bacteria starts with 50 organisms and quadruples each day. Write an exponential function, P(t), that represents the population of the bacteria after t days. Then find the number of bacteria that will be in the colony after 5 days.

Answers

Answer:

50(4)^t

Step-by-step explanation:

The exponential function is 50 x [tex](4)^t[/tex] and after 5 days the population of bacteria is 12800

What is Exponential Function?

An exponential function is a Mathematical function in the form f (x) = [tex]a^x[/tex], where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0.

Given:

A colony of bacteria starts with 50 organisms and quadruples each day.

let the t be the number of day.

So, After t days the population of the bacteria

= 50 x [tex](4)^t[/tex]

Now, After 5 days the population is

t =5

= 50 x [tex](4)^t[/tex]

= = 50 x [tex](4)^5[/tex]

= 50 x 256

= 12800

Learn more about Exponential Function here:

https://brainly.com/question/14355665

#SPJ2

Im doing a test so if i stop i have no more points

Answers

Answer:

1true 2tre3false tenciu

1. Find x in the right triangle shown. Round your answer to the nearest tenth.
7
9
2.0
5.7
11.4
16.0

Answers

Answer:

well ya see ifjfbfhhdnsjdudhsbsjsjsnehdhsiwnshdjsjsh

I think the answer is 9

1. A closed circle in your inequality graph means the number is included?
True or false

2. An open circle in your inequality graph means the number is not included.
True or false

Answers

1) true
2) true
hope this helps

Somebody who know they math,help me!!!!!

Answers

Answer:-5 to -10 to 10 to 1

Step-by-step explanation:

Answer:

Step-by-step explanation:

Which transformations were used to create triangle J'K'L'?
Y 4
10-
dilation by a scale factor of and a reflection
across the y-axis
8
6
4
dilation by a scale factor of 2 and a rotation
of 90° clockwise about the origin
2
2
2
-6
10-8
g
10
-4 1-2 ol
-2
dilation by a scale factor of and a reflection
K.4
across the x-axis
-6
-8-
dilation by a scale factor of 2 and a rotation
of 90° counter-clockwise about the origin
-10-

Answers

Answer:

Step-by-step explanation:

Answer: C

Step-by-step explanation:

2b-(3-b) + 4 = 11
I need to know how to show the work to get this answer

Answers

Answer:

10/3

Step-by-step explanation:

Simplifying 2b - (3-b) gives us:

2b - (3 - b) =

2b - 3 + b =

3b - 3

This makes our new equation:

3b - 3 + 4 = 11

Combine like terms

3b + 1 = 11

Subtract 1 from both sides

3b = 10

Divide both sides by 3

b = 10/3

A line passes through (0,1) and (-6,4) what is the slope of the line?

Answers

Answer:-5/6x

Step-by-step explanation:

Pls I need help this assignment is done before 11:59pm.

Solving systems of equations using substitution.

Can you also explain cause I didn’t understood that much.

Thanks.

Answers

Answers:

Blank 1 = 3Blank 2 = 3

In other words, x = 3 and y = 3

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

Explanation:

Let's solve the first equation for x. I'm picking on this equation variable because the coefficient is 1.

Solving for x leads to

x-2y = -3

x = -3+2y

I added 2y to both sides

Now we'll plug this into the other equation. This means we replace every copy of x with -3+2y since they are the same thing.

3x + 5y = 24

3( x ) + 5y = 24

3( -3+2y ) + 5y = 24 .... replace x with -3+2y

3(-3) + 3(2y) + 5y = 24 .... distribute

-9 + 6y + 5y = 24

11y-9 = 24

11y-9+9 = 24+9 ...... adding 9 to both sides

11y = 33

11y/11 = 33/11 .... dividing both sides by 11

y = 3

We'll use this y value to find x. We can pick on any equation with x & y in it, but I find it's easiest to use the equation where x is isolated

x = -3+2y

x = -3+2(3) .... replace y with 3

x = -3+6

x = 3

So both x and y are equal to 3

-------------------------------

Let's check the answer

Plug (x,y) = (3,3) into the first equation. We should get the same number on both sides after simplifying fully

x-2y = -3

3 - 2(3) = -3

3 - 6 = -3

-3 = -3

So far, so good. Let's try the other equation

3x + 5y = 24

3(3) + 5(3) = 24

9 + 15 = 24

24 = 24

The other equation is true as well. This fully confirms that (x,y) = (3,3) is the solution to this system of equations. If you graphed each original equation, you should find they cross at the location (3,3).

Side note: it won't always be the case that x and y are the same value.

what is the opposite operation that you need to do in order to solve this

Answers

Answer:

divisoion

Step-by-step explanation:

Can anybody help me with this ?

Answers

Answer:

1st scenario: 163.3°

2nd scenario: 125.2°

3rd scenario: 142.3°

Step-by-step explanation:

1st scenario: angles 1 and 2 form a linear pair and add up to 180

2nd scenario: angles 1 and 4 are same-side interior and add up to 180

3rd scenario: angles 1 and 8 are corresponding and equal; if angle 7 is 37.7 then angle 8 is 142.3 (they form a linear pair). Since angles 1 and 8 are equal then angle 1 is also 142.3

Eloise walked in a Walk for the Homeless. She was pledged $1 per mile
by her aunt, and $2 per mile by her father. She walked the entire
course, and collected $63. How long was the course? _____

Answers

Answer:

1.35 is the cost of the regular ice cream

Step-by-step explanation:

I belive it’s 1.35 if I may say so

Select ALL the true statements:
(See the screenshot please :) )

Answers

Answer:

B. Dilations of an angle are congruent to the original angle.

E. Dilations of a triangle can be similare to the original triangle.

Step-by-step explanation:

These both look like the only correct ones.

Hope it helps!

Does anyone understand this please help meee

Answers

Answer:

when you round aq - cr and + = r and z - 33 you get C

Step-by-step explanation:

already explained

Which expression and diagram represent “three times a number”?

Answers

Answer:

You've picked the right one! It's the one you've marked in the picture!

Step-by-step explanation:

Multiplication is just like addition; you're just doing it multiple times instead of once. 3x is equal to x + x + x. That's exactly what the option you chose in the image shows. Great job! You've got this!

Answer:

Step-by-step explanation:

cylinder has r = h and the radius is 4 cm. What is the volume?

Answers

Answer:

201.06 cm

Step-by-step explanation:

so if the radius and height is the same, height would be 4 cm.

volume formula for a cylinder: V=πr2h

answer: 201.06

how can a 5 inch rectangle get to the 4 inch side of the rectangle.

Answers

Step-by-step explanation:

If your rectangle has length of 5 inch and width of 4 inch then you can convert 5 inch into 4 inch by rotating it through 90° clockwise or anticlockwise.

Can you combine x3 and x2? Why or why not? Explain completely

Answers

Answer:

you can add 3x and 2x

Step-by-step explanation:

you can add them because they are both like terms

Answer:

yes

Step-by-step explanation:

you can combine them because they have the same base, and you can combine like terms

A circle with radius of 2 cm sits inside a circle with radius of 4 cm.
What is the area of the shaded region?
Round your final answer to the nearest hundredth.
2 cm
4 cm

Answers

I just multiplied the both radius by each other. And that's 2cm × 4cm= 8cm

Two students are reading a novel. Ashley reads 10 pages per day. Carly reads 8 pages per day, but she starts early and is already on page 40.

Answers

Answer:

im not sure what the question is but.....

Step-by-step explanation:

It would take Ashley 4 days to reach page 40, while it would take Carly 5 days to reach page 40.

Please follow me!!! i would really appreciate it. :) Have a great day!!! Hope this helps you!!! :)

Find the product.

(-2x 2)3 ·3x

Answers

Answer:

-15x

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

For 100 points.

The multiplicative inverse of 5 and (10x + 15)

Answers

Answer:

Download Math-way

Step-by-step explanation:

type in the problem and it answers

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4x-5y=23 y=-3x+3 how do i do this

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4x-5y=23
y=-3x+3
how do i do this