Katana has a shelf that is 5 feet long.She wants to paint a design along 7/10 of the shelf. How many feet of the shelf will katana paint a design

Answer:

100 lol

Step-by-step explanation:

Answer:

20÷5=4

Step-by-step explanation:

5 can go into 20 4 times

so whit that being said 20÷5=4

Answer:

(a) 0.0668

(b) $638.74

Step-by-step explanation:

Let X denote the tips earned by a waiter.

It is provided that X follows a left-skewed distribution with mean, μ = $10.60 and standard deviation, σ = $6.60.

It is also provided that, the waiter usually waits on about n = 50 parties over a weekend of work.

According to the Central Limit Theorem if we have a population with mean μ and standard deviation σ and we take appropriately huge random samples (n ≥ 30) from the population with replacement, then the distribution of the sum of values of X, i.e ∑X, will be approximately normally distributed.  

Then, the mean of the distribution of the sum of values of X is given by,  

 [tex]\mu_{S}=n\mu\\[/tex]

And the standard deviation of the distribution of the sum of values of X is given by,  

[tex]\sigma_{S}=\sqrt{n}\sigma[/tex]

As the sample size is large, i.e. n = 50 > 30, the Central Limit Theorem can be used to approximate the sampling distribution of total tips by the normal distribution.

The mean and standard deviation are:

[tex]\mu_{S}=50\times 10.60=530\\\\\sigma_{S}=\sqrt{50}\times 6.60=46.67[/tex]

(a)

Compute the probability that he will earn at least $600 as follows:

[tex]P(S\geq 600)=P(\frac{S-\mu_{S}}{\sigma_{S}}\geq \frac{600-530}{46.67})\\\\=P(Z>1.50)\\\\=1-P(Z<1.50)\\\\=1-0.93319\\\\=0.06681\\\\\approx 0.0668[/tex]

Thus, the probability that he will earn at least $600 is 0.0668.

(b)

Let x represents his earnings on the best 1%  of such weekends.

That is, P (X < x) = 0.99.

⇒ P (Z < z) = 0.99

The corresponding z-score is, 2.33.

Compute the value of x as follows:

[tex]z=\frac{S-\mu_{S}}{\sigma_{S}}\\\\2.33=\frac{x-530}{46.67}\\\\x=530+(2.33\times 46.67)\\\\x=638.7411\\\\x\approx 638.74[/tex]

Thus, on the best 1%  of such weekends the waiter earned $638.74.

Answer:

Step-by-step explanation:

Temperature change:

Change in 1 minute:

Answer:

76 words per minute

Step-by-step explanation:

3724/49 =76

Answer:

Unit rate = 76

Step-by-step explanation

49 min = 3724 words

1 min = ?

3724/49 = 76

1 min = 76 words

Therefore, the unit rate is 76.

Hope this helps :)

Answer:

w=14

Step-by-step explanation:

-8(w + 1) = -5(w + 10)

Remove the parentheses

-8w-8+-5w-50

Move terms

-8w+5w=-50+8

Collect like terms and calculate

-3w=-42

Then divide on both sides

Answer:

a. y = 40x + 35

b. 35 represents the one time fee

c. The 40x represents the monthly fee

d. f(x) represents the amount you have paid after an amount of months

Step-by-step explanation:

Answer:

Step-by-step explanation:

Approximate rate of change:

Answer:

The answer to this question your asking is b

Answer:

D (4,10)

Step-by-step explanation:

the answer is d

its d we all live on the same planet

Step-by-step explanation: trust me sorry if im wrong

Answer:

d

Step-by-step explanation:

Answer:

16x X 44 squared

Step-by-step explanation:

Answer:

(x) = 15x + 88.

(x)= is the number of weeks

15x= the amount of money per x weeks

88= the amount of money after x weeks.

I am not totally sure my answer is correct though.

Step-by-step explanation:

Answer:

40m - 160m = 120m

Step-by-step explanation:

Answer:

-2 X3

Step-by-step explanation:

Answer:

x⁸ ÷ x²

= x⁶

y⁵÷y⁴

= y¹ or y ( they're the same)

Answer:

x⁶y

Step-by-step explanation:

(x8 ÷ x2)(y5÷y4)

Since it's division all you have to do is subtract the exponent.

So the answer is = x⁶y

Answer:

C

Step-by-step explanation:

She sells her bike for 104 dollars

She sells toys        for  68 dollars

Total                             172

The question is a bit ambiguous. There are 4 divisions. So I would assume that you need to divide 172 by 4. If you do that you get 43

I think that what they are getting at is the answer is C. There are 4 months shown. And 1 month would be 43 dollars. She has enough for 3 more months.

Answer:

True

Step-by-step explanation:

Answer: True.

Step-by-step explanation: Because the greater the slope, the steeper the line.

Answer:she sold 7

Step-by-step explanation:

Answer:

a) 817,600,000

b) 3,401,600,000

c) 585,600,000

d) 464,000,000

e) 280,800,000

f) 28,800,000

Step-by-step explanation:

Multiply each population by 0.8.

ex) 1,022,000,000 x 0.8 = 817,600,000

Answer:

3/5 is the probability of drawing a blue card

Answer:

3/5

Step-by-step explanation:

total sum of probability is 1.

for the probability of drawing a red ball to be 2/5, then probability of drawing a blue ball is

1 - 2/5

Answer:   x=55           y=145

x=55

35+90=125

125-180=55

y=145

180-35=145

I hope this is good enough:

Answer:

x=55

35+90=125

125-180=55

y=145

180-35=145

Step-by-step explanation:

Answer:

400

Step-by-step explanation:

it says average which probably means 400

33.36% of these homes have a value greater than $83,500.

The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

[tex]z=\frac{x-\mu}{\sigma} \\\\where\ x \ is\ raw\ score,\mu=mean,\sigma=standard\ deviation[/tex]

Given that μ = $82000, σ = $5000.

For x > 83500:

[tex]z=\frac{83500-82000}{5000} =0.43[/tex]

From the normal distribution table, P(x > 83500) = P(z > 0.43) = 1 - P(z < 0.43) = 1 - 0.6664 = 33.36%

33.36% of these homes have a value greater than $83,500.

Find out more at: https://brainly.com/question/15016913

Answer:

its y=x+7

Step-by-step explanation:

Answer:

About $10

Step-by-step explanation:

We know that Jimmy equally needs enough money to buy a new video game, which is $30.

Since more than 1 number equals 30, there might be multiple answers for this.

He might have about 10 dollars, hence 10 times 3 is 30.

I think that the correct answer is D