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3 years ago

I need help doing this

Mathematics

2 answers:

Rus_ich [418]3 years ago

6 0

Help on what ? i can help

yaroslaw [1]3 years ago

4 0

I'm not sure what I am supposed to do.

You might be interested in

Find the slope and the y-intercept of the line. 7x – 2y = -2 Write your answers in simplest form.

Flauer [41]

Answer:

slope = 7/2 or 3.5 as a decimal.

y-intercept = 1 or (0, 1) in coordinate form.

3 0

3 years ago

Suppose a NBA basketball player has 5% chance of picking up a foul every minute he plays. What is the probability that he will p

alukav5142 [94]

Answer:

He wont foul out with probability 0.9093

Step-by-step explanation:

The total number of fools he picked is a Binomial ditribution noted by X with parameters p = 0.05 and N = 48. The mean of this random variable is μ = np = 48*0.05 = 2.4 and the variance is σ² = np(1-p) = 2.4*0.95 = 2.28, hence its standard deviation is σ = √2.28 = 1.51.

Note that, if approximate probability is asked, we could just approximate X with a Normal random variable with mean 2.4 and standard deviation 1.51 (this can be done because of the central limit theorem). We will calculate the probability manually. He wont foul out if he picks 0,1,2,3 or 4 fouls, thus

$P(X \leq 4) = P(X=0)+P(X=1)+P(X=2)+P(X=3)+P(X=4) \\= 0.95^{48}+48*0.95^{47}*0.05+{48 \choose 2}*0.95^{46}*0.05^2+\\{48 \choose 3}*0.95^{45}*0.05^3+{48 \choose 4}*0.95^{44}*0.05^4 \\= 0.085+0.215+0.266+0.215+0.127 = 0.9093$

As a consecuence, he wont foul out with probability 0.9093.

8 0

4 years ago

I’m Atlanta, the tax on a property assessed at $930,000 is $19,530. If tax rates are proportional in this city, how much would t

igomit [66]

Answer:

The tax on property assessed at $660,000 is $13860 .

Step-by-step explanation:

Given:

In Atlanta the tax on a property assessed at $930,000 is $19,530.

The tax rates are proportional to this city.

Now, to find the tax on a property assessed at $660,000.

So, we need to get the tax rate of Atlanta first.

Tax Rate = Tax / Property assessed × 100.

$Tax\ rate=\frac{19530}{930000} \times 100$

$Tax\ rate=0.021 \times 100$

$Tax\ rate=2.1\%$

According to question the tax rates are proportional.

So, for getting the tax in this city we use the same rate of Atlanta:

Tax = tax rate of property assessed.

$Tax = 2.1\% of\ \$660,000$

$Tax = \frac{2.1}{100}\times 660000.$

$Tax = 0.021\times 660000$

$Tax=\$13860$

Therefore, the tax on property assessed at $660,000 is $13860.

6 0

3 years ago

Mama mia restaurant used 1/2

melamori03 [73]

Answer:

okay

Step-by-step explanation:

6 0

3 years ago

How do you solve this problem? 6 x 2/5 =

Zanzabum

You have to make 2/5 into a whole number , in this case a decimal
2/5 in decimal form = 0.4
To make it easier for you 0.4 by 10 and then it will become 4
So 6x4=24
Then divide by 10 which will become 2.4
The answer is 2.4

8 0

3 years ago