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Sophie [7]
3 years ago
8

Please help me with this I’m stuck and I’ll write a lot of points

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
5 0

Answer:

b:100'

a:75

b:50

Step-by-step explanation:

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Andre owns a computer backup service. He charges his customers $2.50 for each backup CD. His expenses include $875 for the CD re
alukav5142 [94]

Answer:

p =2.15n - 875

Step-by-step explanation:

Given

CD_s= n

Charges = 2.50 per CD

<u>Expenses</u>

E_1 = 875

E_2 = 0.35 per CD

Required

The profit (p)

First, calculate the total income on n CDs

Total = Charges * n

Total = 2.50 * n

Total = 2.50n

Next, the expenses on n CDs

Expenses = E_1 + E_2 * n

Expenses = 875 + 0.35 * n

Expenses = 875 + 0.35n

The profit (p) is:

p = Total - Expenses

p =2.50n - (875 + 0.35n)

Open bracket

p =2.50n - 875 - 0.35n

Collect like terms

p =2.50n -  0.35n - 875

p =2.15n - 875

3 0
3 years ago
3. Letx = -5 and y=-*
Varvara68 [4.7K]

Answer:

A

Step-by-step explanation:

I don't really understand the numbers but if both X and Y are negative, then adding the 2 will result in a negative value.  Multiplying 2 negative values will be positive, as will dividing them, and sometimes subtracting will too.

6 0
2 years ago
The area of the rectangle is 40% larger than the area of the triangle.What is the length ,L, of the rectangle?
Nezavi [6.7K]

Answer:

10 units

Step-by-step explanation:

Area of the triangle (A') = 1/2bh

A' = 1/2bh............ Equation 1

Where b = base of the triangle, h = height of the triangle

From the diagram,

Given: b = 12.5 unit, h = 4 unit

Substitute into equation 1

A' = 1/2(12.5)(4)

A' = 25 squared unit.

Also,

Area of the rectangle (A) = Lenght(L)×width(w)

A = Lw............ Equation 2

From the question,

If the area of the rectangle is 40% larger than the area of the triangle

Therefore,

A = 1.4A'

A = 1.4(25)

A = 35 squared unit.

Also given: w = 3\frac{1}{2} = 7/2

Substitute into equation 2

35 = L×7/2

7L = 35×2

7L = 70

L = 70/7

L = 10 units

3 0
3 years ago
Please help me :(bbbbbb
Strike441 [17]

Answer:

im sorry this seems to not be correctly stated

Step-by-step explanation:

4 0
3 years ago
Ashleyhas$40inasavingsaccount.Theinterestrateis 10% peryearandisnotcompounded.Howmuchwillshehavein4years?
ss7ja [257]

Answer:

58.564

or $58.56

Step-by-step explanation:

5 0
3 years ago
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