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lapo4ka [179]
3 years ago
9

You use your mobile phone to phone home every day. It cost £15 per moth and £0.18 per minute for phone calls. how much will you

have to pay for 420 of calls including the monthly charge?
Mathematics
1 answer:
suter [353]3 years ago
7 0
0.18x420= 75.6+15.00=90.6
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Is algebra.
alexgriva [62]

Answer:

x = -11/7

x = 11/7

Step-by-step explanation:

49x² - 121

Factor

(7x + 11)(7x - 11)

roots

x = -11/7

x = 11/7

8 0
3 years ago
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What is 1 7/8 • 5/6<br> And 2 1/3 • 5/16
m_a_m_a [10]

Answer:

55/24

Step-by-step explanation:

First, multiply 1 7/8 by 5/6, obtaining 15/8 times 5/6, or 75/48.

Next, multiply 2 1/3 by 5/16.  This is equivalent to multiplying 7/3 by 5/16, and the result of this multiplication is 35/48.

Now combine 75/48 and 35/48, obtaining 110/48, or 55/24.


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3 years ago
Determine the x and y intercepts for the line 3x – 5y + 15 = 0. Show your work.
iragen [17]

Answer:

Step-by-step explanation:

The x and y intercepts occur when either x or y = 0

For the y intercept, x = 0

3(0) - 5y + 15 = 0

- 5y + 15 = 0                  Subtract 15 from both sides.

-5y = - 15                       Divide by - 5

-5y / -5 = - 15/-5

y = 3

For x intercept, y = 0

3x - 5(0) + 15 = 0

3x + 15 = 0                    Subtract 15 from both sides

3x = - 15                        Divide by 3

3x/3 = - 15/3

x = - 5

xintercept = (-5,0)

yintercept = (0,3)

3 0
2 years ago
The size of airmail packages is it continuous or discrete?
valina [46]
The answer is d<span>iscrete.</span>
6 0
2 years ago
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Answer to the question
grandymaker [24]
What is m months

i could be able to solve it if i knew what m months were
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