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katovenus [111]
3 years ago
8

It cost a flat free of 3.15 to make an international call plus $0.05 for every minute that you talk. If you were charged $5.10 f

or making an international call,
for how many minutes did you talk?
Mathematics
2 answers:
Marrrta [24]3 years ago
6 0
39 minutes. Have a great day!
den301095 [7]3 years ago
6 0
To find the minutes talked, we can first deduct the original price:

5.10-3.15
=$1.95

We can then use division to find out minutes talked:

1.95÷0.05
=39

Therefore, you talked 39 minutes.

Hope it helps!
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Car = V-8 sedan
jenyasd209 [6]

Answer:

$500

Step-by-step explanatioThe numberber of years driven is the first and second year

= 2

Miles driven

First year= 15,500

Second year= 14,500

Therefore the cost of depreciation can be calculated as follows

15,500-14,500/2

= 1000/2

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Hence the cost of depreciation is $500

3 0
3 years ago
2. How much water could my well hold if the depth of the well is 30ft and the diameter of the well is 24ft?
Ann [662]

Answer:

V=4,320\pi\ ft^{3}  or  V=13,564.8\ ft^{3}

Step-by-step explanation:

we know that

The volume of the cylinder (the well) is equal to

V=\pi r^{2} h

where

r=24/2=12\ ft ----> the radius is half the diameter

h=30\ ft

substitute

V=\pi (12)^{2}(30)

V=4,320\pi\ ft^{3}

assume

\pi =3.14

V=4,320(3.14)=13,564.8\ ft^{3}

5 0
3 years ago
Read 2 more answers
I need help with number 3 on solving quadratic equations by the quadratic formula
max2010maxim [7]
The answer is x=8 or x=-13
6 0
4 years ago
how many ways an employer send 3 employees to a job fair if she has 11 employees A)165 B)990 C)40,320 D)6,652,800
KIM [24]
To find the number of employees we use combination formula.
n!/(n-r)! r!
Put values
11!/(11-3)! 3!
Simplify
11!/8!3! = 165

Answer: Option A 165
3 0
3 years ago
Help - I don’t understand this
Neko [114]

Answer:

z / 7

Step-by-step explanation:

C = O / H

O = z

H = 7

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