MATHEMATICS MIDDLE SCHOOL

Which expression has a value that is equivalent to 5n+13 when n= -5A.4n+8
b.2n+2
c.n2+13
D.n+8

Answers

Answer 1

Answer:

Answer:

Option A is correct.

4n + 8 expression which has a value that is equivalent to 5n+13 when n = -5

Step-by-step explanation:

Given the expression: $5n + 13$

If n = -5

then, by substituting in given expression we get;

$5(-5)+13 = -25+13 = -12$

Option A:

4n + 8

Substitute the value of n = -5 we have;

$4(-5) + 8 = -20 + 8 = -12$

Option B:

2n + 2

then;

2(-5) + 2 = -10 + 2 = -8

Option C :

$n^2+13$

then;

$(-5)^2+13 = 25 + 13 = 38$

Option D:

n + 8

then;

-5 + 8 = 3

Therefore, only option A has expression which has a value that is equivalent to 5n+13 when n = -5

Answer 2

Answer:

Answer:

4n + 8

Step-by-step explanation:

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I’m struggling on this one. I say BC

Captain Jessica has a ship, the H.M.S. Khan. The ship is two furlongs from the dread pirate Luis and his merciless band of thieves. The Captain has probability 4/9 of hitting the pirate ship. The pirate only has one good eye, so he hits the Captain's ship with probability 1/4 .If both fire their cannons at the same time, what is the probability that both the pirate and the Captain hit each other's ships?

Answers

Answer: Probability that both the pirate and the Captain hit each other's ships is $(1)/(9)$

Step-by-step explanation:

since we have given that

Probability that the captain hits the pirate ship is given by

$(4)/(9)$

Probability that the pirate hits the Captains's ship is given by

$(1)/(4)$

So, we have to find the "Probability that both the pirate and the Captain hit each other's ship" is given by

$P(\text{Captain hits})* P(\text{ Pirates hit})\n\n=(4)/(9)* (1)/(4)\n\n=(1)/(9)$

Hence, probability that both the pirate and the Captain hit each other's ships is $(1)/(9)$

The probability that both the pirate and the Captain hit each other's ships is $(1)/(9)$ . This can be calculated by calculating the joint probability of both events.

What is joint probability?

A joint probability is a probability that two events will occur together and at the same time. Simply it is the probability that A occurs at the same time when B occurs. It can be calculated as:

$P(A and B) = P(A) * P(B)$ , where P(A and B) is the joint probability of A and B occurring together, P(A) is the probability of A, and P(B) is the probability of B.

Given:

The probability of Captain hitting the pirate ship is $(4)/(9)$

The probability of pirate hitting the Captain's ship is $(1)/(4)$ .

Therefore the joint probability will be:

$(4)/(9)*(1)/(4) = (1)/(9)$

Learn more about Joint probability here:

brainly.com/question/14238558

What is 9/8 in simplest from

Answers

9/8 is in the simplest form

Which type of data is best represented by a histogram? A.
data sets with some common elements

B.
parts of a total amount

C.
data that are compared using bars

D.
frequency distributions for certain intervals

Answers

I believe the answer is D

i believe the answer is C!

Product of (x+y)(2x+4y)

Answers

When you multiply the equation out and you simplify like terms you get.

2x^2 + 6xy + 4y^2

There are 5 swimmers in a race. There will be a first-place, a second-place, and a third-place prize awarded. In how many different ways can the 3 prizes be awarded?