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3 years ago

Please help!!

Mathematics

2 answers:

kherson [118]3 years ago

7 0

Answer:

Negative correlation

Step-by-step explanation:

Nostrana [21]3 years ago

3 0

Negative correlation .......

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Joe sells raffle tickets to raise money for charity. The car raffle tickets are $5 each and the iPad raffle tickets are $2 each.

Nimfa-mama [501]

Using a system of equations, the equation for the total amount of money collected is:

R = 5C + 2P.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

Variable C: number of tickets sold for the car.

Variable P: number of tickets sold for the iPad.

Considering the prices for each($5 for the car, $2 for the iPad), the equation for the total amount of money collected is:

R = 5C + 2P.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

3 0

2 years ago

PLEASE HELP WITH ALL THESES QUESTIONS PLEASE 25 PTS

Roman55 [17]

Answer:

I believe the first one is the Mississippi river.

Hop that helps!

3 0

3 years ago

what is the probability of seeing a sample mean for 21 observations less or equal to the sample mean that we observed

kramer

Answer:

$P(x \le 21) = 0.69146$

Step-by-step explanation:

The missing parameters are:

$n = 64$ --- population

$\mu = 20$ --- population mean

$\sigma = 16$ -- population standard deviation

Required

$P(x \le 21)$

First, calculate the sample standard deviation

$\sigma_x = \frac{\sigma}{\sqrt n}$

$\sigma_x = \frac{16}{\sqrt {64}}$

$\sigma_x = \frac{16}{8}$

$\sigma_x = 2$

Next, calculate the sample mean $\bar_x$

$\bar x = \mu$

So:

$\bar x = 20$

So, we have:

$\sigma_x = 2$

$\bar x = 20$

$x = 21$

Calculate the z score

$x = \frac{x - \mu}{\sigma}$

$x = \frac{21 - 20}{2}$

$x = \frac{1}{2}$

$x = 0.50$

So, we have:

$P(x \le 21) = P(z \le 0.50)$

From the z table

$P(z \le 0.50) = 0.69146$

So:

$P(x \le 21) = 0.69146$

4 0

3 years ago

Jessica owns a base salary of $150 every week with an additional 40% commission on everything she sells if Jessica is sold $1650

irinina [24]

Answer:$2,310

You set up dash equals dash 1,650 over 100% and x over 140% you would then cross multiply and divide. You would multiply 1,650 and 140 which give you 231000 the divide that by 100 and that gives you $2,310

8 0

3 years ago

Solve pls brainliest

PtichkaEL [24]

Answer:

1 = A 3 = b 4 = c

Step-by-step explanation:

I folded, trust me

5 0

3 years ago

Read 2 more answers