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3 years ago

A number, y, is equal to twice the sum of a smaller number and 3. The larger number is also equal to 5 more than 3 times

Mathematics

1 answer:

SOVA2 [1]3 years ago

3 0

Answer: A

Step-by-step explanation:

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You are purchasing books summer reading for $4.50 each. Part A: Your total cost, C, depends on,The input is,and the output is,Pa

Crazy boy [7]

Answer:

Part A) see the explanation

Part B) $C(12)=\$54$

Step-by-step explanation:

Part A)

we know that

A relationship between two variables, x, and C, represent a proportional variation if it can be expressed in the form $k=\frac{C}{x}$ or $C=kx$

Let

C ---> is the total cost (represent the output or dependent variable)

x ----> is the number of books (represent the input or independent variable)

In this problem

we have a proportional relationship between the variables x and C

Part B) we know that

The linear equation is given by

$C=kx$

The constant of proportionality k is the same that the slope or unit rate of the linear equation

In this problem the constant k is given

$k=\$4.50\ per\ book$

$C=4.50x$

For x=12 books

substitute in the equation and solve for C

$C=4.50(12)=\$54$

In function notation

$C(12)=\$54$

5 0

4 years ago

93.2×0.07= ???????<br><br> What is the answer?

kumpel [21]

The answer is 6.524. Hope this helps! :D

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3 years ago

Read 2 more answers

PLEASE HELP ME PLS PLS PLS PLS THIS IS MY LAST PROBLEM!!! WILL GIVE BRAINLIEST

jonny [76]

Answer:

If her brother has 40 tickets, the equation will be 3(40)+2=122. jamie will have 122 tickets

If her brother has 50 tickets, the equation will be 3(50)+2=152. jamie will have 152 tickets

If her brother has 60 tickets, the equation will be 3(60)+2= 182. jamie will have 182 tickets.

Step-by-step explanation:

Just trust me

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3 years ago

The Bigtown football team outscored its opponents 5:2 last season. If their opponents scored 38 points, how many points did Bigt

mariarad [96]

The answer would be 114. I did 3 times 38 and thats what i got. I hope it helps:D This is from your friendly Tolkien fan.

6 0

4 years ago

Read 2 more answers

Y/8 = -7 ? What is y ?

Nana76 [90]

Y = -56 i believe :)

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3 years ago