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ipn [44]
3 years ago
15

What is the value of x? 4x=5x–12

Mathematics
2 answers:
Eva8 [605]3 years ago
8 0
4x=5x-12
subtract 5x from each side
-x=-12
to get a positive x multiply each side by a -1
x=12

Hope I helped :)
VladimirAG [237]3 years ago
3 0

Answer: The value of x = 12.

Step-by-step explanation:

The given equation : 4x=5x–12

To solve the above equation, first we subtract 4x from both the sides , we get

4x-4x=5x-12-4x\\\\

Simplify ,

\Rightarrow\ 0=x-12

Now, we add 12 on the both sides of the equation, we get

0+12=x-12+12

Simplify , we get

12=x

OR

x=12

∴ The value of x = 12.

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How does a set of integers differs from the set of whole numbers ? Please help
MariettaO [177]
The difference between set of whole numbers and a set of integers is that:

Whole numbers = {0, 1, 2, 3, 4, 5...}
Integers = {..., -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5...}

If we name contents of the first set as n, in the second set you can have 2n-1 numbers (because we count 0 only once in both sets).
7 0
3 years ago
Kayla paints a bookcase she uses 1 5/6 cups of paint on the outside of the bookcase and 3/8 cup of paint on the inside. How many
olchik [2.2K]

Answer: Kayla used 2 5/24 cups of paint all together.

Step-by-step explanation:

Kayla paints a bookcase by using

1 5/6 cups of paint on the outside of the bookcase. Converting 1 5/6 cups to improper fraction, it becomes 11/6 cups of paint.

She also used 3/8 cup of paint on the inside.

Therefore, the total number of cups of paint that Kayla used all together would be

11/6 + 3/8 = (44 + 9)/24 = 53/24 cups of paint. Converting to mixed fraction, it becomes

2 5/24 cups of paint

3 0
3 years ago
Please help again! Please
Troyanec [42]
1 glass of juice cost $3

1 glass of limonade costs $2


So the proportion between them (Orange) / (juice) = 3/2 or 3¹/₂
6 0
3 years ago
10lb bag of potatoes or $5.50 or 15lb bag of potatoes for $8.40 which is a better deal​
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6 0
3 years ago
The edges of the diameter of a circle are at (-1,2) and (3,-1). Write the equation of the circle in general form.
Y_Kistochka [10]

Answer:

(x-1)²+ (y-0.5)²=6.25

Step-by-step explanation:

<u>The standard form of equation of a circle is;</u>

(x-a)²+(y-b)²=r² where (a,b) are the center of the circle and r is the radius

<u>Finding the mid-point of the given points</u>

(-1,2) and (3,-1)⇒midpoint will be 1/2(x₁+x₂) , 1/2(y₁+y₂)

midpoint= {1/2(-1+3), 1/2(2+-1)}

midpoint=(1,0.5)

<u>Finding the radius r; the distance from the center to either of the given two points</u>

Apply the distance formula d=√ (x₂-x₁)² +(y₂-y₁)²

Taking (x₁,y₁) as (1,0.5) and (x₂,y₂) as (-1,2) then

d=√ (-1-1)² +(2-0.5)²

d= √ (-2)²+(1.5)²

d=√4+2.25⇒√6.25⇒2.5

r=2.5

<u>Equation of the circle</u>

(x-1)² + (y-0.5)²=2.5²

(x-1)²+ (y-0.5)²=6.25

3 0
3 years ago
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