(m+2)(m+3)=(m+2)(m-2) what is the answer please

Answers

Answer 1

Answer: $(m+2)(m+3)=(m+2)(m-2)\n\nm^2+3m+2m+6=m^2-4\n\nm^2-m^2+5m=-4-6\n\n5m=-10\ \ \ \ /:5\n\nm=-2$

Answer 2

Answer: The first time you look at this, you would think that you can just cancel the
(m+2) off of each side. But then you're left with (m+3) = (m-2), and there's
no solution for this. So you have to go back and do it the hard way.

Expand each side of the equation. (Clear the parentheses.)

m² + 5m + 6 = m² - 4

Subtract m² from each side:

5m + 6 = -4

Subtract 6 from each side:

5m = -10

Divide each side by 5:

m = -2

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What way of solving systems would you Ik use for these two equations ? X=3 y=2x+1

Answers

Answer:

Substitution

Step-by-step explanation:

Subtitue x=3 into the second equation

y=2(3)+1

y=6+1

y=7

How can you use functions and graphs to represent periodic data? will need mathematical example.

Answers

Hello,

Here is a example of a periodic function

A circle has a circumference of 2 pi cm. Which statement about the circumference and area is true? A comparison of the area and circumference is not possible since the area cannot be determined. The numerical values of the circumference and area of the circle are equal. The numerical value of the circumference is greater than the numerical value of the area. The numerical value of the circumference is less than the numerical value of the area.

Answers

Answer:

Third option: The numerical value of the circumference is greater than the numerical value of the area.

Step-by-step explanation:

The area of a circle can be calculated with this formula:

$A=\pi r^2$

Where "r" is the radius of the circle.

The circumference of a circle can be calculated with this formula:

$C=2\pi r$

Where "r" is the radius of the circle.

In this case you know that:

$C=2\pi \ cm$

Then, if you subsitute this value into the formula $C=2\pi r$ and you solve for "r", you get that the radius of the circle is:

$2\pi \ cm=2\pi r\n\nr=( 2\pi \ cm)/(2\pi) \n\nr=1\ cm$

Then, substituting the radius into the formula for calculate the area of a circle adn evaluating, you get that its area is:

$A=\pi (1\ cm)^2\n\nA=\pi \ cm^2$

Based on the obtained, you can identify that:

$2\pi >\pi$

Therefore, the numerical value of the circumference is greater than the numerical value of the area.

Answer:

C: The numerical value of the circumference is greater than the numerical value of the area.

Step-by-step explanation:

A sequence is defined by the recursive formula f(n + 1) = 1.5f(n). Which sequence could be generated using the formula? –12, –18, –27, ... –20, 30, –45, ... –18, –16.5, –15, ... –16, –17.5, –19, ...

Answers

Formula f(n+1) = 1.5 f(n) => f(n+1) / f(n) = 1.5. That means, that you have to search for a sequence where the ratio of two consecutive terms is 1.5. The first sequence is the only one that meets that: - 18 / - 12 = 1.5 and - 27 / - 18 = 1.5. So, the answer is the first option: -12, -18, -27, ...

Answer: –12, –18, –27, ... [ A.K.A: (A.) ]

Let f(x)=√4x and g(x)=x+6, whats the smallest number that is the domain of f^o g?

Answers

f(x) = √(4x)
g(x) = x + 6

(f ο g)(x) = f(g(x))
(f ο g)(x) = √(4(x + 6))
(f ο g)(x) = 2√(x + 6)

The smallest number that is the domain of (f ο g)(x) is -6.

You pay $3.00 to play. The dealer deals you one card. If it is a spade, you get $10. If it is anything else,you lose your money. Is this game fair?

Answers

The game is fair in the sense that the expected value is not negative.

What is expected value?

The expected value serves as a gauge for a random variable's typical value. It is determined by multiplying each of the variables' potential outcomes by its corresponding probability, then adding the resulting products. In order to comprehend the typical outcome of a random process and determine if a given course of action is likely to be lucrative or not, the expected value is a valuable tool in decision-making.

The probability of getting a spade is 13/52 or 1/4.

The probability of getting anything else is 3/4.

he expected value of playing the game can be calculated as:

Expected value = (probability of winning x amount won) - (probability of losing x amount lost)

Expected value = (1/4 x $10) - (3/4 x $3)

Expected value = $2.50 - $2.25

Expected value = $0.25

Since the expected value is positive, this means that on average, you can expect to win $0.25 for every time you play the game.

Hence, game is fair in the sense that the expected value is not negative.

Learn more about expected value here:

brainly.com/question/29574962

#SPJ1

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