How to Write 3,028,002 In Expanded Form

The correct steps to solve the expression will be;

''Add 1.3 to both sides of the equation, subtract 4x to both sides of the equation, then divide by the coefficient of x.''

Option D is true.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The expression is,

⇒ -1.3 + 4.6x = 0.3 + 4x

Now,

Solve the expression as;

⇒ -1.3 + 4.6x = 0.3 + 4x

Add 1.3 both side, we get;

⇒ -1.3 + 4.6x + 1.3 = 0.3 + 4x + 1.3

⇒ 4.6x = 1.6 + 4x

Subtract 4x both side,

⇒ 4.6x - 4x = 1.6 + 4x - 4x

⇒ 0.6x = 1.6

Divide by 0.6,

⇒ x = 2.67

Thus, The correct steps to solve the expression will be;

''Add 1.3 to both sides of the equation, subtract 4x to both sides of the equation, then divide by the coefficient of x.''

Option D is true.

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Answer:

10 =x

Step-by-step explanation:

Let h(x) = -2x - 5. If h(x) = -25

-25 = -2x-5

Solve for x

Add 5 to each side.

-25+5 = -2x-5+5

-20 = -2x

Divide by -2

-20/-2 = -2x/-2

10 =x

Answer:

y=mx+c

We have to find the value of m and c.

Let's substitute the value of x and y from the table.

When x=1, y=15,

15= m(1)+c

m +c= 15 ------(1)

Now substitute another set of x and y values.

When x=2, y=24,

24= m(2)+c

2m +c= 24

c= 24 -2m ------(2)

Let me rewrite the two equations so that it is clearer for you to see.

m + c= 15 -----(1)

c = 24 -2m -----(2)

subst. (2) into (1):

m+ 24-2m= 15

-m= 15-24 (bring constants to 1 side, m terms to the other)

-m= -9 (simplify)

m= 9 ( divide by -1 throughout)

subst. m=9 into (2):

c= 24 -2(9)

c= 24-18

c= 6

Thus, the equation is y=9x+6.

When the cat is 3 years old, x=3.

When x=3,

y= 9(3)+6

y= 33.

Hence, the cat is 33 years old in human years.