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nexus9112 [7]
3 years ago
11

Help me please this is my test

Mathematics
2 answers:
inn [45]3 years ago
8 0
“C”is the independent variable because without a number amount of cars you will not be able to make “P”The Profit.

I agrée with the other person
elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

I believe the independent variable is c, or amount of cars washed.

Step-by-step explanation:

You cannot make a profit without washing any cars. P, representing the profit, can only be determined after the amount of cars washed is known.

<u><em>I hope this makes sense! Let me know if I can help with anything else.</em></u>

You might be interested in
Beth placed 91 books on a shelf. Twenty-eight of the books were nonfiction,13 of the books were poetry books,and the rest were f
marysya [2.9K]

Answer:

50 fiction books

Step-by-step explanation:

if there are 91 books, it's simple subtraction. 91-28 is 63. 63 - 13 = 50. 50 fiction books, amiright?

5 0
3 years ago
Read 2 more answers
Which expression represents the ratio of the difference of the two means to Sidney's mean absolute deviation
prohojiy [21]

Answer:

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

Step-by-step explanation:

P.S - The exact question is -

Given - The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below.

                                       Sidney’s Grades           Phil’s Grades

Mean                                     82                                    78

Mean Absolute Deviation      3.28                                 3.96

To find - Which expression represents the ratio of the difference of the two means to Sidney’s mean absolute deviation?

Proof -

Given that Mean of Sidney Grades = 82

                 Mean of Phil's   Grades = 78

So,

The difference of two means = 82 - 78 = 4

Also,

Given, Mean Absolute Deviation of Sydney = 3.28

Now,

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

4 0
3 years ago
to the nearest tenth what is the length of the hypotenuse of an isocoles right angle with a leg 7 3 inches
andrew11 [14]
If the two lengths are 7 and 3, then I believe the length of the hypotenuse would be approximately 7.62.
7 0
3 years ago
Please help will mark you Brainliest
Alina [70]

Answer:11

Step-by-step explanation:Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    3*(x-5)-(18)=0  

Step by step solution :

STEP

1

:

Equation at the end of step 1

 3 • (x - 5) -  18  = 0  

STEP

2

:

STEP

3

:

Pulling out like terms

3.1     Pull out like factors :

  3x - 33  =   3 • (x - 11)  

Equation at the end of step

3

:

 3 • (x - 11)  = 0  

STEP

4

:

Equations which are never true:

4.1      Solve :    3   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

4.2      Solve  :    x-11 = 0  

Add  11  to both sides of the equation :  

                     x = 11

One solution was found :

x = 11

8 0
3 years ago
Dan invests £11000 into a savings account. The bank gives 3.9% compound interest for the first 3 years and 4.5% thereafter. How
jekas [21]

Answer: £14378

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = £11000

n = 1 because it was compounded once in a year.

For the first 3 years,

r = 3.9% = 3.9/100 = 0.039

Therefore,

A = 11000(1+0.039/1)^1 × 3

A = 11000(1.039)^3

A = $12338

The new principal is 12338

For the next 4 years,

A = 12338(1.039)^4

A = 14378

4 0
3 years ago
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