Stuck on this for a while not sure

Answers

Answer 1

Answer: Circumference of 1 table:
C = πd = 140π = 439.82 cm

Each person needs 60 cm, so divide the circumference by 60 to find the number of people who can sit at each table.
439.82/60 = 7.33

So at most 7 people can sit at each table.

7*12 = 84 so the room can only hold 84 people.

You're right

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Which of the following is the result of using the remainder theorem to find F(-2)for the polynomial function F(x) = -2x3 + x2 + 4x-3?
A. 9
B. -11
C.3
D. -23

Answers

Answer:

A. 9

Step-by-step explanation:

F(-2) = 9

We are given the polynomial function;

F(x) = -2x3 + x2 + 4x-3

In order to determine F(-2) using the remainder theorem, we plug in -2 in place of x in the equation and simplify;

F(-2) = -2(-2)^3 + (-2)^2 + 4(-2) - 3

F(-2) = 9

Answer:

Step-by-step explanation:

Evaluating F(- 2) gives the remainder on dividing the polynomial by (x + 2)

F(- 2) = - 2(- 2)³ + (- 2)² + 4(- 2) - 3 = 16 + 4 - 8 - 3 = 9 ← remainder

A local flower shop is selling $1 raffle tickets and is donating all proceeds to the children's hospital. They sold 5,500 tickets and plan to give away 20 flower arrangements valued at $70 and 20 gift certificates valued at $25. Find the expected value of purchasing a raffle ticket.Round to the nearest cent. Do not round until the final calculation.

Answers

The expected value of purchasing a raffle ticket is -0.647.

What is the Expected Value of a Probability & Statistical Analysis?

The expected value is derived in probability analysis by the multiplication of each of the potential possibilities by the likelihood that each result will occur and then adding all of those values together.

Using the formula below, we can calculate the expected value as follows:

$\mathbf{ E(X)= \sum^(n)_(i=1)X_i P(X_i)}$

However, the probability (Pr) of each event can be categorized as follows:

Pr (to win a flower arrangement ) $\mathbf{=(20)/(5500)}$

Pr (to gift a certificate) $\mathbf{=(20)/(5500)}$

Pr (no win) ) $\mathbf{=(5500 - 20 - 20)/(5500)=(5460)/(5500)}$

Thus;

$\mathbf{E(X) = 70((20)/(5500) * 25 (((20)/(5500) )- 1((5460)/(5500) )}$

$\mathbf{E(X) =-0.647}$

Learn more about finding the expected value of a probability here:

brainly.com/question/9931880

Answer: The expected value of purchasing a raffle ticket would be $0.3449.

Step-by-step explanation:

Since we have given that

Number of tickets = 5500

Number of flower arrangements = 20

Number of gift certificates = 20

So, Probability that wining $70 at flower arrangement = $(20)/(5500)=(1)/(275)$

Probability that wining $25 at gift certificates = $(20)/(5500)=(1)/(275)$

So, Expected value of purchasing a raffle ticket would be

$70* (1)/(275)+25* (1)/(275)\n\n=0.254+0.0909\n=\$0.3449$

Hence, the expected value of purchasing a raffle ticket would be $0.3449.

Jake spends 2 hours on each homework assignment and he had 3 assignments each day. Orlando spends 2 hours on each homework assignment and he had 2 homework assignments each day. How much time will Jake and Orlando spend doing homework after 30 days?

Answers

Jake: one hundred and eighty hours
Orlando: one hundred and twenty hours

total: three hundred hours

Jake will spend 180 hours on homework assignments after 30 days and Orlando will spend 120 hours on homework assignments after 30 days hope this helps :) (Jake:2 hours X 30 days = 180hrs) (Orlando:4 hours X 30 days= 120hrs)

If Carl takes a pizza with 8 slices and has three friends eat a slice, what fraction of the pizza is left?

Answers

ok so the wording is confusing

is it
A. 3 friends took 1 slice each (total is 3 slice) or
B. 3 friends took 1 slice total

if A, go to AAAAAA
if B. to to BBBBB

AAAAAAAAAA
3 slices taken
fraction is parts out of whole
what is left
left=original-taken
taken=3
original=8
8-3=5
5=left
fraction is 5/total=5/8

BBBBBB
taken=1
fraction is parts out of whole
what is left
left=original-taken
taken=1
original=8
8-1=7
7=left
fraction is 7/total=7/8

if 3 slices taken total then 5/8 left
if 1 slice taken totl then 7/8 left

Just do 8-3=5 so, 5/8would be your awnsere

A lawn sprinkler spins in a circle. The sprinkler covers a radius of 4 feet. Which choice is the closest to the area of lawn that the sprinkler can cover? 13 25 50 or 200..

Answers

The required area that the sprinkler will cover is 50 square feet. Option C is correct.

As mentioned in the question, a lawn sprinkler spins in a circle. The sprinkler covers a radius of 4 feet.

What is surface area?

The surface area of any shape is the area of the shape that is faced or the Surface area is the amount of area covering the exterior of a 3D shape.

Here,
Area of the sprinkler,
= area of the circle
= πr²
= 3.14 × 4²
= 50.24
≈50

Thus, the required area that the sprinkler will cover is 50 square feet. Option C is correct.

Learn more about the surface area here: brainly.com/question/2835293

#SPJ2

When you are trying to cover something,it would be AREA not Circumference since Circumference is the outside of a circle.Area is inside of a circle,so the formula for area is:pix4² which will equal,16pi or 50.26548246 so the closest area of lawn that the sprinkler can cover is 50.

Write a decimal that is equivalent to 3 and 10 hundredths

Answers

3.010
There is a decimal place value chart.

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