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
Molodets [167]
2 years ago
12

Mary is selling chocolate bars to raise money. She earns $3 for each solid milk chocolate bar sold and $4 for each caramel-fille

d bar sold. If m represents the number of milk chocolate bars sold, and c represents the number of caramel bars sold, which of the following expressions represents the amount of money that Mary has raised? Question 6 options: A) 3m – 4c B) m∕3 + i∕4 C) 12mc D) 3m + 4c
Mathematics
1 answer:
m_a_m_a [10]2 years ago
6 0

Answer:

3m + 4c

Step-by-step explanation:

Whenever a word problem says the word earn that means the slope, also known as the rate of change, will be positive. Knowing this you can determine that both the caramel and milk chocolate slopes will be positive. After figuring all that out the only thing left to do is to make the equation. You know you have two slopes, and each slope needs a variable, so you will have to look back at the question. It is given that m represents the milk chocolate and c represents the caramel. Now all you have to do is make the slope the coefficient to the corresponding variable. The milk chocolates are 3 dollars, so the 3 goes in front of the m and the caramel chocolates are 4 dollars, so teh 4 goes in front of the 4. Since both slopes are positive no negatives or minus signs will be used in the equation. Knowing all this information you can now create the expression 3m + 4c.

You might be interested in
Mr. Anderson drove 168 miles in 3 hours. He then drove the next 2 hours at a rate
Luda [366]

Answer:

If you were asking how many miles <u>in total</u>: 290 miles.

If you were asking how many miles in the <u>2 hours</u>: 122 miles

Step-by-step explanation:

In the first 168 miles,

<u>Since \\v_1=168miles/3h=56 miles/h\\\\Thus  \\v_2=v_1+5=56+5=61miles/h\\\\X_1=168miles\\X_2=v_2*2h=61*2=122miles\\X_1+X_2=168+122=290miles\\\\</u>

8 0
3 years ago
The greatest comen factor of 21, 30,49
liq [111]
The greatest common factor for 21 is 7
For 30 is 15
49 is 7

I’m no totally sure but i think that is right
4 0
3 years ago
(0.75)(5y)-y=8.25 how to solve this answer​
HACTEHA [7]

Answer: 3

Step-by-step explanation:

8 0
2 years ago
(x + 2)(x2 + 5x + + 1)
butalik [34]

Answer:

{x}^{3}   + 7 {x}^{2}  + 11x + 2

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

#

6 0
3 years ago
In a one-way ANOVA, what is the difference between the among-groups variance MSA and the within-groups variance MSW?
LuckyWell [14K]

Answer:

MSR=MSA=\frac{SSR}{k-1}

And MSE=MSW=\frac{SSE}{N-k}

The difference is that MSA takes incount the variation between the groups and the grand mean, and the MSW takes in count the variation within groups respect to the mean of each group .

Step-by-step explanation:

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".  

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"  

If we assume that we have j groups and on each group from j=1,\dots,j we have n_j individuals on each group we can define the following formulas of variation:  

SS_{total}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x)^2  

SS_{between=Treatment}=SS_{model}=\sum_{j=1}^p n_j (\bar x_{j}-\bar x)^2  

SS_{within}=SS_{error}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x_j)^2  

And we have this property  

SST=SS_{between}+SS_{within}=6750+8000=14750  

The degrees of freedom for the numerator on this case is given by df_{num}=k-1 where k  represent the number of groups.  

The degrees of freedom for the denominator on this case is given by df_{den}=df_{between}=N-k.  

And the total degrees of freedom would be df=N-1  

We can find the MSR=MSA=\frac{SSR}{k-1}

And MSE=MSW=\frac{SSE}{N-k}

The difference is that MSA takes incount the variation between the groups and the grand mean, and the MSW takes in count the variation within groups respect to the mean of each group .

And the we can find the F statistic F=\frac{MSR}{MSE}=

8 0
3 years ago
Other questions:
  • How do I solve the problem
    9·1 answer
  • The ratio of the number of model cars that Jim owns to the number of model cars Terrance owns 4 : 3 Terrance owns 36 model cars.
    7·1 answer
  • Name the plane in 2 ways please! simple and quick :) ​
    5·1 answer
  • Help me!!!!!!!!!!!!!!!!
    8·1 answer
  • What is the slope-intercept form of 4x+5y=10
    12·1 answer
  • a carton of orange juice contains 540ml a special offer carton contains an extra 35% how many millilitres are in the special off
    7·1 answer
  • 1. A population with a normal distribution has a mean of 104 and standard deviation 15. A sample of 30 items is taken from that
    10·1 answer
  • Write the linear equation below in the function notation <br><br> y=2x-5
    5·1 answer
  • Trong mặt phẳng tọa độ, viết chương trình đường tròn (C') là ảnh của (C): x^2 +y^2 -2x+4y=0
    12·1 answer
  • The median of the numbers is 14. What do you know about x?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!