1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Degger [83]
2 years ago
6

Alice earns $185 for working 14.8 hours each week. How much money will Alice earn if she increased her hours to 18 1/2 hours per

week?
Mathematics
1 answer:
mars1129 [50]2 years ago
4 0

:)

Step-by-step explanation:

185 is to 14.8 as x is to 18.5

 

185/14.8 = x/18.5

 

x = 185(18.5)/14.8

 

x = $231.25

You might be interested in
4. Write the equation of the line that passes<br> through the point (2, -1) and has a slope of -3.
RSB [31]
The answer is y=-3x+5. Work shown below in the pic

7 0
3 years ago
What is the sum of -17 and -4
Dimas [21]
-21 kk have a nice day
8 0
3 years ago
Read 2 more answers
Solve the absolute value equation below 3|6-4x|-4=
egoroff_w [7]

Answer:

Impossible, not enough to answer the question

Step-by-step explanation:

As you can see because there is no number or variable past the equal sign it is simply an expression, please correct me if I am wrong but even if the other side was 0, I doubt a teacher would give this problem with decimals, but it may just be me.

7 0
3 years ago
Pls give an explanation u don't have to... I'll give brainly if right!​
Maru [420]

Answer:

72.9

Step-by-step explanation:

Multiply your first 2 terms

4.5* (-9) = -40.5

multiply this by -1.8

-40.5*-1.8 = 72.9

6 0
2 years ago
Read 2 more answers
The score on an exam from a certain MAT 112 class, X, is normally distributed with μ=78.1 and σ=10.8.
salantis [7]

a) X

b) 0.1539

c) 0.1539

d) 0.6922

Step-by-step explanation:

a)

In this problem, the score on the exam is normally distributed with the following parameters:

\mu=78.1 (mean)

\sigma = 10.8 (standard deviation)

We call X the name of the variable (the score obtained in the exam).

Therefore, the event "a student obtains a score less than 67.1) means that the variable X has a value less than 67.1. Mathematically, this means that we are asking for:

X

And the probability for this to occur can be written as:

p(X

b)

To find the probability of X to be less than 67.1, we have to calculate the area under the standardized normal distribution (so, with mean 0 and standard deviation 1) between z=-\infty and z=Z, where Z is the z-score corresponding to X = 67.1 on the s tandardized normal distribution.

The z-score corresponding to 67.1 is:

Z=\frac{67.1-\mu}{\sigma}=\frac{67.1-78.1}{10.8}=-1.02

Therefore, the probability that X < 67.1 is equal to the probability that z < -1.02 on the standardized normal distribution:

p(X

And by looking at the z-score tables, we find that this probability is:

p(z

And so,

p(X

c)

Here we want to find the probability that a randomly chosen score is greater than 89.1, so

p(X>89.1)

First of all, we have to calculate the z-score corresponding to this value of X, which is:

Z=\frac{89.1-\mu}{\sigma}=\frac{89.1-78.1}{10.8}=1.02

Then we notice that the z-score tables give only the area on the left of the values on the left of the mean (0), so we have to use the following symmetry property:

p(z>1.02) =p(z

Because the normal distribution is symmetric.

But from part b) we know that

p(z

Therefore:

p(X>89.1)=p(z>1.02)=0.1539

d)

Here we want to find the probability that the randomly chosen score is between 67.1 and 89.1, which can be written as

p(67.1

Or also as

p(67.1

Since the overall probability under the whole distribution must be 1.

From part b) and c) we know that:

p(X

p(X>89.1)=0.1539

Therefore, here we find immediately than:

p(67.1

7 0
3 years ago
Other questions:
  • A boy weighs 44 pounds. How much does he weigh in kilograms
    11·1 answer
  • solve the formula for calculating the perimeter of a parallelogram with sides b and c for c p = 2b+2c
    12·2 answers
  • Write 120+45 as a product of their GCF and another sum
    5·1 answer
  • What is the value of x in the equation<br><br> x+4=11
    13·2 answers
  • Ellie is now 4 time as old as her son. In 5 years time she is going to be 3 times as old as her son. How old is eliies son now?
    13·1 answer
  • Please help me with questions 7&amp;8!!!!
    13·1 answer
  • PLZZ HELP MEEEEEEEEEEE
    9·2 answers
  • Solve the inequality 2(x-3)-5x&lt;9
    11·2 answers
  • A woman invests $8000 in an account that earns 4.5% simple interest. If the money is invested for 5 years, how much money is in
    12·1 answer
  • Drag the tiles to the boxes to complete the pairs. Not all tiles will be used.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!