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IrinaK [193]
2 years ago
14

Sam is selling used books online. The first book the customer buys is $8.00, the second-third book are $7.00 each, the fourth an

d all other books, b, are $5.00. A buyer has $35 to spend, before tax and shipping. Write an inequality to show how many books this customer may buy before the applicable taxes and shipping charges.
Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
3 0
8+7+7+5b is less than or equal to 35
You might be interested in
Please help if you’re good at math<br><br><br><br> need an answer asap!!
mars1129 [50]

Answer:

Zero real roots:

f(x) = x^2-x+1

f(x) = x^2+2x+3

One real root:

Two real roots:

f(x)=x^2+2x+1

f(x)=x^2-3x+2

Step-by-step explanation:

These were determined by using the quadratic formula.

8 0
3 years ago
What is 5(y-2)-2=2(y+1)-5? Solve for y and show your work please.
Inessa [10]

Answer:

y = 3

Step-by-step explanation:

Let's start with the left side of the equation.

5(y-2)-2= 2(y+1)-5

5y-10-2= 2(y+1)-5

Now let's solve the right side

5y-10-2= 2y+2-5

5y-12= 2y-3

-2y     -2y

3y-12=-3

   +12 +12

3y = 9

3y/3 = 9/3

y = 3

hope this helps!

4 0
3 years ago
What logarithmic equation is equivalent to the exponential equation e^a=28.37
Tju [1.3M]

Answer:

a=ln(28.37)

Step-by-step explanation:

e^a=28.37

Take ln both sides

ln(e^a)=ln(28.37)

a=ln(28.37)

8 0
3 years ago
Veronica Foaley sells evening jackets sewn with metallic threads and beads. She wants to set a price of $600 for a jacket. The m
boyakko [2]
The most she can pay for the jacket is $375 (=600/(100%+60%)) assuming this is the cost of the jacket before it sewn with metallic threads and beads. A markup is a difference between the production cost and the selling price in order to cover the additional cost related to the product. Based on the data, she wants to keep the 60% for covering the cost.
6 0
3 years ago
Read 2 more answers
Car mart pays $110,000 rent each year for its two-story building. the space in this building is occupied by five departments as
Anvisha [2.4K]

First floor:

paint department 1,575 square feet

space engine department 2,925 square feet

Total = 4,500 square feet

 

Second floor:

space window department 1,845 square feet

electrical department 765 square feet

accessory department 1,890 square feet

Total = 4,500 square feet

 

Since 70% is allocated to the 1st floor, therefore the floor is receiving:

First floor expense = $110,000 * 0.70 = $77,000

Second floor expense = $110,000 - $77,000 = $33,000

 

The expense for each department is the proportion on the total expense per floor.

First floor:

paint department = (1575/4500) * 77,000 = $26,950

space engine department = 77,000 – 26,950 = $50,050

 

Second floor:

space window department = (1845/4500) * 33,000 = $13,530

electrical department = (765/4500) * 33,000 = $5,610

accessory department = 33,000 – 13530 – 5610 = $13,860

6 0
3 years ago
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