how do i solve -3x + 2y = -4

Answers

Answer 1

Answer:

y= 3/2 x -2

Step-by-step explanation:

I guess you want to find the y=mx+b form

So you do +3x on both sides which will gave you: 2y= 3x-4

Then, you will divide by two on both sides to find the y value: 2y/2 = (3x-4)/ 2

So 3/2 is the fraction like the answer above and -4/2 = -2

Hope that helps :)


Related Questions

4 divided by 57 please help

Answers

Answer:

0.07017

Step-by-step explanation:

Evaluate the function:

f(x)=4x−2, find f(8)

Answers

Answer:

f (8) = 30

Step-by-step explanation:

[tex]f(x)=4x-2\\\\f(8)=4(8)-2\\\\f(8)=32-2\\\\\boxed{f(8)=30}[/tex]

Hope this helps.

Evaluate the expression.

(−6)(0) − 6 =

Answers

Answer:

-6

Step-by-step explanation:

(-6)(0)-6=-6

I hope this helps you


XY zand ABC are similar. If angle X is 32 degrees and angle Y is 84
degrees, find the measure of angle C.

Answers

Answer:

B

Step-by-step explanation:

A triangle always has a degree total of 180. x+y=116 180-116=64 therefore the last angle, angle c, must be 64 degrees.

Answer: B. 64 degrees

Step-by-step explanation:

∠C = 180° - (∠X + ∠Y)

∠C = 180° - (32° + 84°) = 180° - 116° = 64°

Multiply 2x(x^2-x+3)

Answers

Answer:

2x^3-2x^2+6x

Step-by-step explanation:

Hope this helps!

Have a great day!

Answer:

2x^3-2x^2+3

don't know if it's correct

152=8(3a-2) justify each step

Answers

Step-by-step explanation:

152 = 8(3a - 2)

152 = 8 × 3a - 8 × 2

152 = 24a - 16

152 + 16 = 24a

168 = 24a

a = 168/24

a = 7

Answer:

-7

Step-by-step explanation:

152=8(3a-2)

8(3a-2)=152

8(3a-2)/8=(152){8)

3a-2=19

3a-2+2=19+2

3a=21

3a/3=21/3

a=-7

Which statement shows the correct value for the exponential expression 6^3?
A. 6x6x6x6 = 1296
B. 6x6x6 = 216
C. 3x3x3x3x3x3 = 729
D. 6x3 = 18

Answers

B is the correct answer
The exponent means how many times your multiplying the number to the power of set exponent
So 6^3 is 6x6x6
B, it would be 6x6x6. :)

how do i work this out please?

Answers

A. Since they all have the same numbers inside the root simply just solve the outer numbers which is 7-2+1-3 = 3root 3

Answer:

3[tex]\sqrt{3}[/tex] and [tex]\sqrt{7}[/tex]

Step-by-step explanation:

Simplifying surds is similar to collecting like terms in algebra.

If the surds have the same value then collect them by adding/ subtracting their coefficients.

(a)

[tex]\sqrt{3}[/tex] (7 - 2 + 1 - 3)

= [tex]\sqrt{3}[/tex] (3)

= 3[tex]\sqrt{3}[/tex]

(b)

[tex]\sqrt{7}[/tex] (5 + 4 - 8)

= [tex]\sqrt{7}[/tex] (1)

= [tex]\sqrt{7}[/tex]

The scale factor from a small triangle ABC to a large
triangle XYZ is 4. How many times larger will the
perimeter of triangle XYZ be than the perimeter of
triangle ABC?

Answers

9514 1404 393

Answer:

  c  4 times

Step-by-step explanation:

If the side lengths of the original triangle are AB, BC, and CA, then those of the dilated triangle are 4AB, 4BC, 4CA.

The sums of these are the perimeters.

  P = AB +BC +CA

  perimeter of XYZ = 4AB +4BC +4CA = 4(AB +BC +CA) = 4P

The perimeter of XYZ is 4 times the perimeter of ABC.

PLS LOOK AT THE PIC AND HELPPP PLSSS

Answers

Answer:

4x +  -6.03 = 2.07

Step-by-step explanation:

first one:

there are four big white boxes so that equals 4x

6 negative ones so its -6

3 negative 0.1 so its -0.3

add up 06 and -0.3 and that's -6.03

second one:

there are two squares that each equal one so that would be two and add the 7 0.1's and that will be 2.07

Solve for the variable.
6x-5=12

Answers

Answer:

6x-5=12 +5

6x=17 :6

x=2.8333333333

Step-by-step explanation:

prove me wrong

The Nguyen family is traveling cross-country, driving 300 miles each day. Let 2 represent the number of days in the trip and let y represent the total number
of miles driven.
Write an equation to model their trip.
Enter the correct equation in the box.

Answers

Step-by-step explanation:

y = Total number of miles driven

= Number of days * Number of miles per day

= (x) * (300).

Therefore the equation is y = 300x.

When x = 2, y = 300(2) = 600.

The Nguyen family drove 600 miles during the 2 days.

Factorise x² - 9x + 20

Answers

Step-by-step explanation:

Given

- 9x + 20

= - ( 4 + 5) x + 20

= - 4x - 5x + 20

= x ( x - 4) - 5 ( x - 4)

= (x - 4)(x - 5)

Hope it will help you :)

Answer:

x^2 -9x+20

(x-4)(x-5)

Step-by-step explanation:

........


Convert:4 gal= qt what is it

Answers

Answer:

4 gallon = 16 quarts

Step-by-step explanation:

Consider the provided information.

We need to convert gal into qt

We know that 1 gallon = 4 quarts

Now in the given question, we have 4 gal.

Multiply both the sides by 4

1×4 gallon = 4×4 quarts

4 gallon = 16 quarts

Hence, 4 gallon is equal to 16 quarts.

(Help me quick!!!! Please Only have 10 minutes)

Answers

YOU DID NOT ATTACH ANY FILES type the question in the comments

Pleas help me with this F(x)=3x-x Find F(10)

Answers

Answer:

f(10) = 20

Step-by-step explanation:

Since the x is defined, you can plug it in, x=10.

Substitute the x with 10, f(10) = 3(10)-10.

Then, simply the equation, f(10) = 20.

Solve for the unknown quantity in each proportion.
k over three equals three over nine
A. 1
B. 3
C. 9
D. 27

Answers

Answer:

D

Step-by-step explanation:

27÷3=9

A restaurant what is quantitative and flower Child towers the ratio of the number of corn to tell us to the number of flour tortillas is fortified what is the measure of the number of how to tease to the total number of tortillas I know it’s a lot but plz help

Answers

Answer:

i belive it is 2:5

Step-by-step explanation:

this is because 2 and 3 represent both the corn and flour the sum is the total

Help me fast pls thank you!!!

Answers

Answer:

b=3.464 a=2.121

Step-by-step explanation:

Maya painted 3/4 of her art project in the morning and 1/8 of her project in the evening which equation can maya use to find how much of the project she painted

Answers

Answer: 7/8

Step-by-step explanation: First you have to multiple 3/4 by 2 so it would be 6/8 and then add it to the 1/8 and it'll be 7/8 correct me if I'm wrong.

.
Charlie has 6 more quarters than dimes in a jar and a total of $9.20. Which system of
equations can be used to determine the number of each type of coin Charlie has if
q=the number of quarters and d = the number of dimes?

Answers

Answer:

Addition.

Step-by-step explanation:

you can just use that to figure out how many coins he has. he has a 1.75 add 9.20 and i think thats your answer

If there are 1200 calories
in one pound of ground
beef, how many calorles-
are in 3 oz of ground beef?
show work!!

Answers

Answer:

225 calories

Step-by-step explanation:

1 LB= 16 OZ

1200/16=75 CALORIES

75X3=225 CALORIES

There would be 225 calories in 3 ounces of ground beef

Can someone help me with this? I just need help understanding it.​

Answers

What do you need help with !?! I don’t get it you just write the question no picture

I’m confuseddddd and need in help :)))

Answers

Answer:

Step-by-step explanation:

this is a difference of two squares.. so you need a changing sign in the two parenthesis  ( - ) ( + )  like that form  and you'll need two 5  and two 8   each with an x and y   sooo  B looks pretty good

Answer:

The answer is B

Explanation:

You will basically just have to do distribute so you have to do 5x times 5x which would be 25x^2 and then -8y times 8y which would be -64y^2

Hope this helps!!

help me plz its about algebra 1

Answers

A

Subtract 32 from both sides first, then divide both sides by 9/5

7.
What is the slope of the line that contains the points (-1, 2) and (3, 3)?

Answers

The answer is 5/4 I hoped this helped

which deal is better? 3 tacos for 2.40 dollars or 4 tacos for 3.40 dollars?

Answers

Answer:4 tacos for 3.40 dollars

Step-by-step explanation:

4 for 3.40



Explanation: Divide the amount of tacos by price 3/2.40=1.25 and 4/4.30= 0.93 rounded roughly and so you see the 4 tacos for 3.40 is cheaper and thus the better deal have a nice day (: god speed

Tim had $150.00 to spend on three pairs of pants. After buying them, he had $30.00 left over. What equation expresses how much each pair of pants cost?


Answers

Answer:40$

Step-by-step explanation: if all the prices are equal we 150-30equels 120 ➗ 3 equals 40 hope this helps

Some people advise that in very cold​ weather, you should keep the gas tank in your car more than half full. Irene ​'s car had 5.9 gallons in the14 ​-gallon tank on the coldest day of the year. Irene filled the tank with gas that cost ​$3.60 per gallon. How much did Irene spend on​ gas

Answers

Answer:

I believe it is $21.24 im sure

What is the slope of the line graph below (-8, 0) and (0, -4)?

Answers

Y2-y1/x2-x1
-4-0/0-(-8)
-4/8
-1/2
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