please help asap 14 points​

Please Help Asap 14 Points

Answers

Answer 1

Answer:

can i friend you

Step-by-step explanation:


Related Questions

20% of the days were sunny. How many days were sunny?

Answers

Answer:

73

Step-by-step explanation:

simple math, ez mne.

Answer:

73 days were sunny

Step-by-step explanation:

20% of 365 is 73.

A car breaks from a speed of 108km/h to 72km/h during a displacement of 100m, what is its aceleration ?​

Answers

First, note that 100 m = 0.100 km.

Recall that

v² - u² = 2 ax

where u and v are initial and final velocities; a is acceleration; and ∆x is displacement. Solve for a :

(72 km/h)² - (108 km/h)² = 2 a (0.100 km)

a = ((72 km/h)² - (108 km/h)²) / (0.200 km)

a = -32,400 km/h²

If you want to convert this to m/s², we have

(-32,400 km/h²) = (-32,400 km/h²) (1000 m/km) (1/3600 h/s)²

(-32,400 km/h²) = -2.50 m/s²

When converted to​ millimeters, the distance meters is expressed as
nothing millimeters in scientific notation.

Answers

Answer:

meters must be converted into millimeters.

Step-by-step explanation:

7) Order the numbers from least to greatest.
A. 6.66
B. 6.07
C. 7
D. 6.32

Answers

the Answear is B,D,A,C

During the first hour of a snowstorm, 1 2/8 inches of snow fell. In the next hour, 4 3/8 inches fell. In the third hour, the snow stopped and 1 inch of snow melted. How much snow was on the ground at the end of the third hour?

Answers

Answer:

4 5/8 inches left

Step-by-step explanation:

1+4=5

2/8+3/8=5/8  Same denominator so it stays the same, only need to add the numerators.

5+5/8=5 5/8

5 5/8-1=4 5/8

Here is the improper fraction if you need it:

37/8

Write the equation the graph pictured below:

Answers

Answer:

It would be the first one (y-2=1/3(x-2))

Step-by-step explanation:

The first one is the same function as y=x(1/3)+(1+1/3) which is the same function as the photo.

For a biology project, you measure the weight in grams and the tail length in millimeters of a group of mice. The correlation is r = 0.52. If you had measured tail length in centimeters instead of millimeters, what would be the correlation?

Answers

Answer:

The correlation coefficient  is r = 0.52

Step-by-step explanation:

From the question we are told that

            The correlation coefficient  is r = 0.52

 Generally correlation has no unit and is not affected by unit (i.e it show the ratio between two quantities )

Hence a change of the unit of measurement of  length from cm to mm will not affect the correlation coefficient r hence the value will still remain  r = 0.52

Answer:

Step-by-step explanation:

Is 1.994 greater or lesser than 1.493

Answers

Answer:

greater than

Step-by-step explanation:

1.994 is closer to 2 than 1.493 so it is greater!

The sum of four consecutive integers is 2486. Find the biggest of these four consecutive integers.

Answers

Answer:

623

Step-by-step explanation:

2486/4 is the middle number = 621.5

Four numbers so the nearest whole numbers are the middle two

620, 621, 622, 623

=623

1+2 charliedamelioo0

Answers

Answer:

eEEE

Step-by-step explanation:

Working simultaneously, eight pumps fill in a pool in 32 hours. All pumps work at the same pace. If only half of the pumps are working, in how many hours will the pool be filled in?

Answers

Answer:

64 hours

Step-by-step explanation:

Since there are only half of the pumps that are working the time will double. 32x2 is 64

Answer: 16 hours

Step-by-step explanation

Step 1: Split 8 in half because we are using half the amount of pumps which is 4. Now we know the amount of pumps being used.

Step 2: Next we find the unit rate by dividing 32 and 8 to get 4

Step 3: Lastly we multiply 4x4 because 4 is the amount of pumps being used and the other 4 is the unit rate. Once we multiply we get 16 which is the answer: 16 hours

Select the correct answer to 35 2/7 x 5:
1. 174
2. 176 3/7
3. 175 5/7
4. 174 5/7

Answers

Answer:

2

Step-by-step explanation:

I can't exactly explain my thinking but I estimates and the closet i got was answer 2 hoped this helped

Which ordered pair, if included in this relation, would cause it to no
longer be a function?

Answers

Answer:

(-6,3)

Step-by-step explanation:

what is the sum a 23 and 4 /4

Answers

Answer:

the anwser is 24 please mark brianliest

Answer:

The answer is 24.

8.) A line passes through the points (k, 4) and (3, -6). The line is perpendicular to
the graph of 5y + 4x = 8. What is the value of k?

Answers

Answer:

K = 43

Step-by-step explanation:

We'll begin by determining the gradient of the equation 5y + 4x = 8. This can be obtained as follow:

5y + 4x = 8

Rearrange

5y = 8 – 4x

5y = –4x + 8

Comparing 5y = –4x + 8 with y = mx + c, the gradient m is –4

Next, we shall determine the gradient of the line perpendicular to the line with equation 5y = 8 – 4x.

This can be obtained as follow:

For perpendicular lines, their gradient is given by:

m1 × m2 = – 1

With the above formula, we can obtain the gradient of the line as follow:

m1 × m2 = – 1

m1 = –4

–4 × m2 = – 1

Divide both side by –4

m2 = –1/–4

m2 = 1/4

Finally, we shall determine the value of k as follow:

Coordinate => (k, 4) and (3, –6)

x1 coordinate = k

y1 coordinate = 4

x2 coordinate = 3

y2 coordinate = –6

Gradient (m) = 1/4

m = (y2 – y1) / (x2 – x1)

1/4 = (–6 – 4) / (3 – K)

1/4 = –10 /(3 – K)

Cross multiply

3 – K = 4 × –10

3 – K = –40

Collect like terms

– K = – 40 –3

–k = –43

Divide both side by – 1

K = –43/–1

k = 43

ACB = DCE
A=63
C=52
E=5x
what is X = ?

Answers

C =52 that what x should =

Answer: x=13

Step-by-step explanation:

Travel time data is collected on an arterial. With 30 runs, an average travel time of 152 seconds is computed over the 2.0 miles length, with a computed standard deviation of 17.3 seconds.

Required:
a. Compute 95% confidence bounds on your estimate of the mean.
b. Was it necessary to make any assumption about the shape of the travel-time distribution?

Answers

Answer:

a

 The 95% confidence bounds is  [tex] 145.80 <  \mu <   158.19 [/tex]

b

It was not necessary to make any assumption about the shape of the travel  time distribution

Step-by-step explanation:

From the question we are told that

 The sample size is  n =  30  

  The sample mean  is  [tex]\=x = 152[/tex]

   The standard deviation is  [tex]\sigma = 17.3 \ second[/tex]

From the question we are told the confidence level is  95% , hence the level of significance is    

      [tex]\alpha = (100 - 95 ) \%[/tex]

=>   [tex]\alpha = 0.05[/tex]

Generally from the normal distribution table the critical value  of  [tex]\frac{\alpha }{2}[/tex] is  

   [tex]Z_{\frac{\alpha }{2} } =  1.96[/tex]

Generally the margin of error is mathematically represented as  

      [tex]E = Z_{\frac{\alpha }{2} } *  \frac{\sigma }{\sqrt{n} }[/tex]

=>    [tex]E =  1.96 *  \frac{17.3 }{\sqrt{30} }[/tex]

=>     [tex]E = 6.19  [/tex]  

Generally 95% confidence bounds  is mathematically represented as  

      [tex]\= x -E <  \mu <  \=x  +E[/tex]

=>  [tex]152  -6.19 <  \mu <  152  -6.19[/tex]

=> [tex] 145.80 <  \mu <   158.19 [/tex]

This 95% confidence bounds show that there is 95% confidence that the true mean lies within this bound hence there is it was not necessary to make any assumption about the shape of the travel  time distribution

A survey of 800 school employees yielded the following information: 430 were instructors, 589 were full-time faculty, and 340 of the instructors were full-time faculty. How many school employees were full-time faculty but were not instructors

Answers

Answer:

249

Step-by-step explanation:

let n(U) be the total number of school employees = 800

Let n(I) be amount of instructors = 430

Let (F) be full-time faculty = 589

Let n(InF) be the instructors who were full-time faculty = 340

The number of employees who were full-time faculty but were not instructors is expressed as:

n(FnI') = n(F) - n(InF)

n(FnI') = 589 - 340

n(FnI') = 249

Hence the number of school employees who were full-time faculty but were not instructors are 249

At MLK Middle School, enrollment increased from 320 students in 2019 to 750 students in 2020 after the pandemic. What is the percent increase in enrollment?

Answers

Answer:

134.3%

Step-by-step explanation:

Working out a percentage increase or decrease between the two numbers is pretty simple. The resulting number (the second input) is 750 and what we need to do first is subtract the old number, 320, from it:

750 - 320 = 430

Once we've done that we need to divide the result, 430, by the original number, 320. We do this because we need to compare the difference between the new number and the original:

430/320 = 1.343

We now have our answer in decimal format. How do we get this into percentage format? Multiply 2.3 by 100? Ding ding ding! We have a winner:

1.343 x 100 =  134.3%

let one Yellow tile Equal+1 and one red tile equal -1 6-(-9)

Answers

Answer:

wym

Step-by-step explanation:

whats the question

The cost of 5 gallons of ice cream has a variance of 49 with a mean of 30 dollars during the summer. What is the probability that the sample mean would differ from the true mean by less than 0.6 dollars if a sample of 145 5-gallon pails is randomly selected?

Answers

Answer:

0.303 or 30.3%

Step-by-step explanation:

We are given;

Variance; Var = 49

Sample size; n = 145

Standard error from mean; SEM = 0.6

Now, standard deviation is given by the formula;

SD = √Var

SD = √49

SD = 7

Now, the standard error from standard deviation is;

SE = SD/√n

SE = 7/√145

SE = 0.5813

z = Number of standard errors away from the mean = SEM/SE = 0.6/0.5813 = 1.0322

Using online P-value from z-score calculator with the z-score above and an assumed significance level of 0.05, we have;

P-value ≈ 0.303

Probability = 0.303 or 30.3%

Find the value of x.

Answers

Answer:

Its 9

Step-b(y-step explanation:

Can you make me brainlist??

Answer:

The answer is B just took the test!

Which number has a repeating decimal form?

A. sqrt\15

B. 11/25

C. 3/20

D. 2/6

Answers

Answer:

answer d 2/6

which is 1/3 =0.333333333

Answer:

2/6

Step-by-step explanation:

Katrina bought a pair of jeans for $39.29 and a sweater for $46.54. She received $14.17 in change. How much money did Katrina have originally?

Answers

Answer:

cool 100

Step-by-step explanation:

just add them all together since its saying that she got change back and it's saying what she paid.

Real Estate Agent:

A woman bought 4 lots for $48,000 each. She then subdivided

them into a total of 7 lots that sold for $33,000 each. What was

her percent of profit? I

Savings and Loan Counselor:

A customer wishes to borrow $30,000, make monthly payments

of interest only, and pay the full amount of the principal at the

end of the term. If the interest rate is 12% annually, what are the

monthly payments for a five-year term?

Answers

Step-by-step explanation:

A.

Cost of 4 lots for $48,000= 48000*4

=$192,000

Sales made from all 7 lots = 33000*7

= $213,000

Profit =213,000-192,000

Profit =$39,000

Percent profit =(39000/192000) *100

=0.20*100

=20%

B.

Total interest formula=

Principal Loan Amount x Interest Rate x Time

Interest =30000x0.12x5

Interest = $18,000

Monthly payments for 5 years

= 18000/12*5

=18000/60

=$300

WORTH 15 POINTS
Explain why 3(x + 4) - 3(x - 5) has no solution. Choose the best response below
Place a check mark in each row to indicate
the number of solutions for each equation
below.
No
Infinitely
One
Solution Solution
Many
Solutions
5x5x+3
A. The x-terms are the same, but the constant terms are different.
B. The x-terms are different, but the constant terms are the same.
C. The x-terms are the same, and the constant terms are same.
D. The x-terms are different, and the constant terms are different.
5x+6 - 6x +5
5x+ 6 = 5x + 6
What values of a and b would make the equation shown have infinitely many
solutions?
2x+ 4 = 4x+2
2x+4 - 2x + 4
3x = ax + b
2x2x+4

Answers

Answer:

Question 2: A

Question 3: 3x=3x+0

Step-by-step explanation:

For the chart use (symbolab)  it is a site that can help you with finding out the solutions by typing in the equation and it will give you an answer if it is no solution, one solution or, infinite

Pls answer quick and right

Answers

the answer is C (Jung)
Jung is in most debt with -220

A trigonometric function with no asymptotes oscillates between the values of y equals negative 4 and y = 0. Two consecutive zeroes are located at approximate x-values of 3.48 and 7.66. Which of the following best represents the equation of the trigonometric function?

Answers

Answer:

C. f(x)=2sin(-1.5x+0.5)-2

The solution to the system -2x+5y=-15 and 5x+2y=-6 is what

Answers

Step-by-step explanation:

−2x+5y=−15 and 5x+2y=−6

Rewrite equations:

−2x+5y=−15;5x+2y=−6

Step: Solve−2x+5y=−15for x:

−2x+5y=−15

−2x+5y+−5y=−15+−5y(Add -5y to both sides)

−2x=−5y−15

−2x−2=−5y−15−2(Divide both sides by -2)

x=52y+152

Step: Substitute52y+152forxin5x+2y=−6:

5x+2y=−6

5(52y+152)+2y=−6

292y+752=−6(Simplify both sides of the equation)

292y+752+−752=−6+−752(Add (-75)/2 to both sides)

292y=−872

292y292=−872292(Divide both sides by 29/2)

y=−3

Step: Substitute−3foryinx=52y+152:

x=52y+152

x=52(−3)+152

x=0(Simplify both sides of the equation)

Answer:

x=0 and y=−3

Identify the correct list of factors for the number 24.
1, 2, 4, 6, 12, 24
1, 2, 3, 4, 6, 8, 12, 24
1, 2, 4, 7, 12, 24
1, 2, 3, 8, 12, 24

Answers

1,2,3,4,6,8,12,24 this is the list
Other Questions
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