How do you divide can someone plz tell me

Answers

Answer 1

Answer: Just divide
Like 4:2=2

Answer 2

Answer: Its pretty easy lets say 2:4 How many times does 2 go into 4 two times see easy

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Find the roots of the equation by completing the square: 3x^2-6x-2=0. Prove your answer by solving by the quadratic formula.
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Which of equation represents a function? A. x2 + y2 = 9 B. {(4, 2), (4, –2), (9, 3), (9, –3)} C. x = 4. 2x + y = 5

Answers

The answer to your questions is B. {(4, 2), (4, –2), (9, 3), (9, –3)} because you don't have a repeat of a number the X side which is your output. I hope that this is the answer that you were looking for and it has helped you.

The length of the walk-in closet is 2 more than 5 times its width. If the perimeter of thecloset is 64 feet, what is its width?

Answers

Answer:

the answer is 448

Step-by-step explanation:

Rewrite using a negative exponent.

5/x^2

Answers

13.591409x3 i believe hope it heloped

Write a quadratic function in standard form with zeros -4 and -3

Answers

Answer:

y = x² + 7x + 12

Step-by-step explanation:

Given the zeros x = - 4 and x = - 3, then the corresponding factors are

(x - (- 4) ) and (x - (- 3) ), that is

(x + 4) and (x + 3)

The function is then the product of its factors

y = (x + 4)(x + 3) ← expand using FOIL

= x² + 7x + 12

where G is a constant and M is the mass of the earth. Calculate the work done by the force of gravity on a particle of mass m as it moves radially from 7500 km to 9400 km from the center of the earth.

Answers

Answer:

$-2.0213* 10^(-7)GMm\text{ J}$

Step-by-step explanation:

Since, the force of gravity is,

$F = -(GMm)/(r^2)$

Where,

G = gravitational constant,

M = mass of earth,

m = mass of the particle,

r = distance of particle from centre of the earth,

∵ 7500 km = $7.5* 10^6$ meters

9400 km = $9.4* 10^6$ meters

Thus, work done by the force of gravity,

$W=\int_(7.5* 10^6)^(9.4* 10^6)F. dr$

$=-\int_(7.5* 10^6)^(9.4* 10^6)(GMm)/(r^2)dr$

$=GMm[(1)/(r)]_(7.5* 10^6)^(9.4* 10^6)$

$=GMm((1)/(9.4* 10^6)-(1)/(7.5* 10^6))$

$=GMm((7.5-9.4)/(9.4* 10^6))$

$=-GMm((1.9)/(9.4* 10^6))$

$\approx -2.0213* 10^(-7)GMm\text{ J}$

Where,

$G = 6.67408* 10^(-11) \text{ }m^3 kg^(-1) s^(-2)$

$M=5.972* 10^24 \text{ kg}$

In a certain country, the life expectancy of a woman born in 1995 was 80.2 years. Between 1995 and 2005, the life expectancy increased 0.4 year every 5 years.

Answers

The Equation of life expectancy is x- 0.4(2) = 80.2.

What is Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

The life expectancy of a woman born in 1995 was 80.2 years.

The life expectancy increased 0.4 year every 5 years.

So, from 1995 to 2005 there are two times the life expectancy increase.

let the lifeexpectancy by x.

Thus, the equation is

x- 0.4(2) = 80.2

Learn more about Equation here:

brainly.com/question/29657992

#SPJ5

Answer:

a. L - 0.4(2)= 80.2 or L - 80.2 = 0.4(2) or 80.2 + 0.4(2) = L