Solve for x using
cross multiplication.
3x - 3
2x – 2
=
5
4
x = [?]

Solve For X Usingcross Multiplication.3x - 32x 2=54x = [?]

Answers

Answer 1

Answer:

Step-by-step explanation:

Given

(3x - 3) / 5 = (2x - 2) / 4

Begin by cross multiplying

Solution

4(3x - 3) = 5(2x - 2)                 Use the distributive property to remove brackets12x - 12 = 10x - 10                    Add 12 to both sides.12x = 10x - 10 + 12                   Combine the right12x = 10x + 2                           Subtract 10x from both sides12x-10x = 2                              Combine the left2x = 2                                      Divide by 2x = 2/2x = 1

Note: the original equation gives you 0/5 = 0/4   which is 0 = 0.

                       


Related Questions

Lydia is having a barbecue. Two containers of juice serve 10 people. How many containers of juice should she get to serve 40 people at the barbecue?

Answers

Answer:

4 containers

Step-by-step explanation:

4 containers of juice x 10 people= 40 people to serve

find the product of 3.7 and 0.47​

Answers

Answer:

[tex]1.739[/tex]

Step-by-step explanation:

We know that [tex]3.7=37/10[/tex].

We also know that [tex]0.47=47/100[/tex].

The product of these is [tex]37/10*47/100=(37*47)/1000=1739/1000=1.739[/tex].

So, the answer is [tex]\boxed{1.739}[/tex]

Volume Round Robin Review
*12
The volume of a cylinder is 301.44 cubic inches. If the area of the base is 37.68 square
inches, what is the height of the cylinder?

Answers

Answer:

8 inches

Step-by-step explanation:

Height = Volume / Base Area = 301.44 / 37.68 = 8

can anyone help?????? Can y’all write it detailed or like step by step explaining cause i have to write it down ..

Answers

Answer:

x = 5

Step-by-step explanation:

Step 1: Distributive property

Using this property means when you have something like the equation on the right side ( 4 ( x + 3 ) ) you multiply both the values in the parentheses by the number outside:

4 ( x + 3 )

( 4 x X ) + ( 4 x 3 )

4x + 12

8x + 2 = 2x + 4x + 12

Step 2: combine like terms

Combining like terms is when you find like terms with the same variables and such and add them together:

8x + 2 = 12 + ( 2x + 4x )

8x + 2 = 12 + 6x

Step 3:Using inverse operations

This means that you need to get a variable one one side and a constant on the other:

8x + 2 ( -2 ) = 12 ( -2 ) + 6x

8x = 10 + 6x

8x ( -6x ) = 10 + 6x ( -6x )

2x = 10

Step 4: solve for the variable

The last thing you need to do is divide both sides by the constant with the variable ( 2x ) to get x by itself:

2x ( /2 ) = 10 ( /2 )

x = 5

Answer:

x=5

Step-by-step explanation:

Step 1:Using the distributive property on the right side of the equation

8x+2=2x+4(x+3)

8x+2=2x+4x+12

Step2:Combining the like terms on the right side if the equation (Since there are no like terms on the left side) :

8x+2=6x+12

Step 3: Using the inverse operations to get the variables on the left side and the constants on the right side of the equation :

8x-6x=12-2

Step4: Using inverse operation to solve for the variable of interest which is 'x':

2x=10 (Dividing both sides by two sides by 2)

x=5

pls help me with this i ready question pls hurry

Answers

Answer:

100:2  =200:x

200*2/100=4

Step-by-step explanation:

4 weeks

PLEASE HELP ME ITS ALGEBRA THANK YOUUUU

Answers

88km

26/13 = x/44

44*26 = 13x

1144 = 13x

x= 88

Answer:

88

Step-by-step explanation:

[tex] \frac{26}{13} = \frac{x}{44} [/tex]

reduce the first ratio

[tex] \frac{2}{1} = \frac{x}{44} [/tex]

cross multiply and divide

[tex]x = 88[/tex]


What’s the domain and range ?

Answers

Answer:

2,5 I'm guessing

Step-by-step explanation:

because two up and five to the right even though its kinda blurry

if sn = 1395 a = 3 and d = 3 find and =?​

Answers

Answer:

Simplify:=-1

Step-by-step explanation:

[tex]3.2a-1-4 \frac{1}{3}a+7-a[/tex]

Answers

"keep-change-flip" is a strategy used to dividing fractions.

always change the mix fraction to a improper fraction and you slove.

I'll do the first one and the rest is basically done the same way.

for the last fraction equation I cross multiply the 4 divided into 4 gives you 1 and the 3 divided into 21 gives you 7.

Help have 2 hrs to complete

Answers

It’s 0.68 pls give me brainliest

Through (2, 1) with slope of -3/2

Answers

Equation: Y= -3/2x + 4

Graph:

15 Which line passes through the point (1.-4)? A x + y = 5 B.X + y = 5 c.xy=5 D.x-y=.5​

Answers

Answer:

Step-by-step explanation:

A x + y = 5  1 + -4 = -3  Nope

B.X + y = 5  1 + -4 = -3  Nope  same as A unless X is somehow not equal to x,

C. xy = 5      1(-4) = -4    Nope and does not even qualify as a line.

D. x - y = .5​  1 - (-4) = 5 Nope unless you have a typo adding an unwanted decimal point

Solve for x - 5 - 3 * + 1 = - 45

Answers

Answer:

[tex]x = \frac{41}{2} [/tex]

Step-by-step explanation:

x - 5 - 3x + 1 = -45

-2x - 4 = -45

-2x = -45 + 4

-2x = -41

x = 41 ÷ 2

x = 41/2

Step-by-step explanation:

[tex]\tt{}x - 5 - 3x + 1 = - 45[/tex]

[tex]\tt{} - 2x - 4 = - 45[/tex]

[tex]\tt{}- 2x= - 45 + 4[/tex]

[tex]\tt{} - 2x = - 41[/tex]

[tex]\tt{} x = \frac{41}{2} [/tex]

[tex]\tt{}x = 20 \frac{1}{2} [/tex]

Evaluate the function for
f(x) = x + 3 and g(x) = x2 − 2.
(f − g)(8t)=

Answers

Answer:

f(0)=0

Step-by-step explanation:

7x + 10x + 20 = what​

Answers

Answer:

the answer is 17x+20

Step-by-step explanation:

7x+10x+20

17x+20

hope it helps

mark me brainliest pls

Answer:

17x+20

Step-by-step explanation:

like terms= 7x and 10x so add= 17x

unlike term 20 it remains as it is.

so 17x+20 further cannot be simplified as both are unlike terms

Factor x⁴ + 3x² + 2 completely.

All factors in your answer should have integer coefficients.

Answers

Answer:

x = i, ~1.41i

Step-by-step explanation:

Assuming "integer coefficients" allows imaginary numbers:

(x^2 + 1)(x^2 + 2)

x^2 = -1 = i

x^2 = -2 = ~1.41i

When reading a data set in ascending order (from smallest value to largest value), which of the following is the correct order of values that you would observe:


20th percentile, 1st quartile, 4th decile, median


30th percentile, median, third quartile, 6th decile


2nd decile, median, 1st quartile, 70th percentile


10th percentile, third quartile, median, 8th decile

Answers

Answer:

el equivalente a 23.79 no daré explicación

Is (4,12) a solution to 2x+y=40

Answers

No.

2x + y = 40
2x = 40
x = 40/2
x = 20

1y = 40
x = 40/1
x = 40

The right solution is (20,40)

Is the problem situation a function? Explain your answer.

Answers

Answer:

where is the problem at

Step-by-step explanation:

Evaluate the expression

Answers

answer: -24

tbh I’m not sure but thats what I got!

:D

answer? (worth a lot of points.)

Answers

Answer:

Every 20th caller on "Radio Station Z" recieves a free give-away prize. Write an expression to show how many winners there will be. Let "x" represent the number of total callers and "y" represent the number of winners.

Step-by-step explanation:

Pls mark as brainliest

Hope this helps!

Hello everyone i need ur help to factor out this in a easy way.

Answers

9514 1404 393

Answer:

  (x -1/4)(x -1)(x +1)

Step-by-step explanation:

Pairs of coefficients have the same ratio, so it is likely that you can factor this by grouping pairs of terms.

  x³ -x -1/4x² +1/4 = (x³ -x) -(1/4x² -1/4) . . . . . . note the signs

  = x(x² -1) -1/4(x² -1)

  = (x -1/4)(x² -1)

The difference of squares (x² -1) is a special form that has factors (x -1)(x +1)

Your factoring is ...

  (x -1/4)(x -1)(x +1)

_____

Additional comment

The difference of squares factors like this:

  a² -b² = (a -b)(a +b)

Please help me out I am not good at math so I would very appreciate

Answers

To me it looks like the perimeter is 84 and the area is 360?

The cost of bananas, y, is directly
proportional to x, the pounds of bananas
purchased. If 2.5 lbs of bananas costs
$1.50, find the total cost of a lbs of
bananas.

Answers

Step 1 - divide 2.5 and 1.50

2.5/1.50 = 1.66666666667


Step 2 - multiply 1.66666666667 by 9

1.66666666667 • 9 = 15


Final answer

15

The equation is y = 0.60x. Then the total cost of 9 lbs of bananas will be 5.4 lbs.

What are ratio and proportion?

A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.

The cost of bananas, y, is directly proportional to x, the pounds of bananas purchased. Then the relationship is given as,

y ∝ x

y = kx

Then the relationship between 'x' and 'y' will be linear.  If 2.5 lbs of bananas cost $1.50. Then we have

1.50 = k (2.5)

k = 0.60  

Then the equation is given as,

y = 0.60 x

Then the total cost of 9 lbs of bananas will be given as,

y = 0.60 (9)

y = 5.4 lbs

The equation is y = 0.60x. Then the total cost of 9 lbs of bananas will be 5.4 lbs.

More about the ratio and the proportion link is given below.

https://brainly.com/question/14335762

#SPJ2

kohl's is having a sale on shoes where you can buy 4 pairs of shoes for $92. walmart is also having a sale where you can buy shoes for $23 each. who has the better deal on shoes ?

Answers

4 x 23 = 92

four shoes cost $92 at Wallmart, but its the same at kohl's

wallmart price = kohl's price

                $92 = $92

they are equal

Jessie made 15 sales calls yesterday. Clay made n calls. If clay made 3 times as many sales calls as jessie, choose the equation thats shows how many sales calls clay made yesterday

Answers

It would be

N = 15 x 3

Answer:

n = (15)(3) = 45

Step-by-step explanation:

This problem is very simple, all we need to do is take the information we get and put it in equation form.

Jessie made 15 calls, Clay made 3 times as many as her. 15 times 3 is 45. Put in equation format it will look like:

n = (J) * (3)

n is how many calls Clay made, and J is how many calls Jessie made.

Write an equation in point-slope form for the line that passes through the given points.

(4,−6), (6,−4)

Answers

Answer:

y=x-10

Step-by-step explanation:

slope equal to

[tex]m = \frac{ - 4 - ( - 6)}{6 - 4} = \frac{2}{2} = 1[/tex]

y=mx+c(constant)

-6=1×4+c, then c=-10

The answer is:
Is this what you wanted?
I hope it helps you.

please help me with this sum​

Answers

answer:

3,204/4 = 801

5,656/8 = 707

2,736/9 = 304

4,224/6 = 704

7,256/8 = 907

5,424/6 = 904

3,515/5 = 703

He’s correct I checked all of them



pls help!!! i don’t know how to do this .

Answers

Answer:

-30 ,-2

5, -3

hope it will.help u

Check all solutions to the equation. If there are no solutions, check "None."
W = 4




Someone help!!

Answers

Answer:

A) 2

Step-by-step explanation:

The square root of 4 is 2 because 2 x 2 = 4.

The equation says x = 4, and what your trying to solve is the square root of that, not the root. The root to 4 would be 16 if it was reversed.

-kiniwih426

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