HELP QUICK ILL GIVE YOU BRAINLIEST
What is the surface area?

Step-by-step explanation:

Use the quadratic formula to find the solutions.

−b±√b2−4(ac)2a-b±b2-4(ac)2a

Substitute the values a=9a=9, b=0b=0, and c=−81c=-81 into the quadratic formula and solve for xx.

x=±3x=±3

The final answer is the combination of both solutions.

x=3,−3x=3,-3

Answer:

Check question number 9 in that file you may be able to understand the problem

Step-by-step explanation:

Answer:

1 ==> C

2 ==> A

3 ==> B

hope this helps! lmk if you have any questions about my answer

Answer:

x  =  40/ 33

40 ÷ 33 = 1.21 (21 repeating)

The fraction when the decimal number is provided i.e. 1.21 should be considered as the [tex]40\div 33[/tex]

since the decimal number is 1.21

So, here if we divide the 40 by 33 so it comes 1.21

Therefore, we can conclude that The fraction when the decimal number is provided i.e. 1.21 should be considered as the [tex]40\div 33[/tex]

Learn more about fraction here: https://brainly.com/question/12405736

Step-by-step explanation:

I there a picture for the problem ?

awnser 1.100

awnser 2.-10

awnser 3.0

awnser 4.0

Answer:

Step-by-step explanation:

f(7) = 32

f(-9) = 32

f(s) = 32

f(s-t) = 32

g(7) = 10·7+4 = 74

g(-9)  = 10(-9)+4 = -86

Answer:

the first one, 2.5x

Step-by-step explanation:

Hope this helps!

Answer:

b. No, the probability of getting the broken tape measure changes as there is no replacement.

Step-by-step explanation:

For each tape measure, there are only two possible outcomes. Either it is broken, or it is not, which means that the first condition for the binomial distribution is respected.

However, the tapes are not returned to the box, which means that in each trial, the probabilities of getting the tape with defect changes, which means that the binomial distribution cannot be used. So option b is the correct answer

Answer:

34650

Step-by-step explanation:

Answer: your new salary would be $34,650 which is -1% of what your initial salary was ($35000)

Step-by-step explanation:

35000x.10=3500

35000+3500=38500

38500x.10=3850

38500-3850=34650

34650-38500=-350

-350/38500=-1%

Answer:0.36

Step-by-step explanation:

Given

Probability of a free throw =0.6

It is given that the two throws are independent of each other

So, the Probability of making two consecutive throws

[tex]P=\text{Probability of first throw}\times \text{Probability of second throw}\\P=0.6\times 0.6=0.36[/tex]

Answer:

a volleyball team with 9 wins and 6 losses

Step-by-step explanation:

Jim’s soccer team has a record of 12 wins and 8 losses.Hence when divded

the answer is 1.5 or the same as 3/2 .Hence all we need need to do is find the

answer that is the same as 1.5.

Hence the answer is B a volleyball team with 9 and 6 losses.I know it's right because whenever 9 and 6 divdied they make 1.5.hence this answer is right

Answer:636

Step-by-step explanation: I just kno

Answer:

176 ounces :)

Step-by-step explanation:

Answer:

B. $4143.50

Step-by-step explanation:

Wendy has purchased condominium and is financing it through the loan. The loan term is for 8 years with an interest rate of 5.65%. The payment at the start of the year 1 is $595,000 * 5.65% = $3344.70. The loan term reached maturity so the payment will increase to 4143.50

Answer:

22

Step-by-step explanation:

17+5

Answer:

you have a whiz problem   LOL

Step-by-step explanation:

Answer:

56

Step-by-step explanation:

Answer:

-65a -21 "that is the simplified version"

Answer:

-65a - 21

Step-by-step explanation:

7 ( -9a - 3 ) -2a

Distribute, multiply every term in the parenthesis by the term right outside of the parenthesis,

7 ( -9a - 3 ) - 2a

-63a - 21 - 2a

Simplify

-65a - 21

Answer:

Robert paid $4,603.6 in Social Security.

Step-by-step explanation:

Robert total earnings:

$5,805 at Young's Grocery.

$12,445 at A&B Restaurant.

$56,002 at CCD Communications.

So his total earnings are of:

5805 + 12445 + 56002 = $74,252

How much did Robert pay in Social Security?

6.2%, that is, 0.062 of $74,252. So

0.062*74252 = $4,603.6

Answer:

3x + 19y is the answer

Answer:

A

Step-by-step explanation:

0.7 * 1.3= 9.1

Answer:

I believe it is 0.7 and 13.

Step-by-step explanation:

Factors are numbers that are in a multiplication equation, so the choices would have to be multiplied together, showing that C : 0.7 and 13 is the correct answer.

Answer:

x = -31 /4

Step-by-step explanation:

3x - 24 = 7x + 7

-24 = 4x + 7

-31 = 4x

x = -31/4

Answer: 0.356, 3.65, 35.6, 35.63, 356.06, 356.6

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

Answer: Do you have a picture?

Answer:

A chair costs $2.50 each and a table costs $6 each.

Step by Step Explanation:

First, let's break this down to two equations.

Equation 1: 2c + 5t = 35

Equation 2: 8c + 5t = 38

Let's first solve for "t" (tables) by modifying Equation 1 so that it has the same number of chairs as Equation 2.

To do that, we must times the equation by 4, so:

4(2c + 5t = 35) -> 8c + 20t = 140.

So now the two equations we have are:

1: 8c + 20t = 140

2: 8c + 3t = 38

Now that they have the same number of chairs (8c), we can subtract Equation 2 from Equation 1, and that gets us the following:

17t = 102

t = 102 / 7 = 6.

Therefore, a table costs $6.00 to rent.

Knowing this, we can use either equation to now find "c". Let's use Equation 1.

2c + 5(6) = 35

2c + 30 = 35

2c = 5

c = 5 / 2 = 2.5

So now we know each chair costs $2.50 to rent. Let's use Equation 2 to confirm both the costs of the table and the chair.

8(2.5) + 3(6) = 38

20 + 18 = 38

38 = 38.

Therefore, each chair costs $2.50 and each table costs $6.

Answer:

a) 0.195 = 19.5% probability that exactly three arrivals occur during a particular hour.

b) 0.762 = 76.2% probability that at least three people arrive during a particular hour

c) 2 people.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

[tex]P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}[/tex]

In which

x is the number of sucesses

e = 2.71828 is the Euler number

[tex]\mu[/tex] is the mean in the given interval.

Poisson process with a rate parameter of four per hour.

This means that [tex]\mu = 4[/tex].

(a) What is the probability that exactly three arrivals occur during a particular hour?

This is P(X = 3). So

[tex]P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}[/tex]

[tex]P(X = 3) = \frac{e^{-4}*4^{3}}{(3)!} = 0.195[/tex]

0.195 = 19.5% probability that exactly three arrivals occur during a particular hour.

(b) What is the probability that at least three people arrive during a particular hour?

Either less than three people arrive during a particular hour, or at least three does. The sum of the probabilities of these outcomes is 1. So

[tex]P(X < 3) + P(X \geq 3) = 1[/tex]

We want [tex]P(X \geq 3) = 1 - P(X < 3)[/tex], in which

[tex]P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)[/tex]. So

[tex]P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}[/tex]

[tex]P(X = 0) = \frac{e^{-4}*4^{0}}{(0)!} = 0.018[/tex]

[tex]P(X = 1) = \frac{e^{-4}*4^{1}}{(1)!} = 0.073[/tex]

[tex]P(X = 2) = \frac{e^{-4}*4^{2}}{(2)!} = 0.147[/tex]

So

[tex]P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0.018 + 0.073 + 0.147 = 0.238[/tex]

[tex]P(X \geq 3) = 1 - P(X < 3) = 1 - 0.238 = 0.762[/tex]

0.762 = 76.2% probability that at least three people arrive during a particular hour.

c) How many people do you expect to arrive during a 30-min period?

One hour, 4 people

Half an hour = 30 min = 4/2 = 2 people.