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Ulleksa [173]
3 years ago
7

A phone company uses the equation y = 0.15x + 10 to find y, the monthly charge for a customer sending x text

Mathematics
1 answer:
olasank [31]3 years ago
8 0

Hey!

---------------------------------------

Solution:

77.50 = 0.15x + 10

77.50 - 10 + 0.15x + 10 - 10

67.50 = 0.15x

0.15x = 67.50

0.15x/0.15 = 67.50/0.015

x = 450

---------------------------------------

Check:

77.50 = 0.15(450) + 10

77.50 = 67.50 + 10

77.50 = 77.50

---------------------------------------

Answer:

450 text messages can be sent when the monthly charge is $77.50!

---------------------------------------

Hope This Helped! Good Luck!

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Step-by-step explanation:


8 0
3 years ago
In a toy​ store, the ratio of the number of dolls to the number of teddy bears is . If the store has 240​ dolls, how many teddy
forsale [732]

Answer:

<u>So, the way a ratio works is </u><u>"for every 1 of this, we have 4 of this"</u><u> for example. (the ratio I just described would be 1:4.) </u>

<u />

I believe I've seen this question before. If the ratio of dolls to teddy bears is 9:3 then for every 9 dolls you have 3 teddy bears.

So, since we have 240 dolls and a 9:3 ratio to teddy bears, all we have to do is take how many dolls we have (240) and divide it by 3 to see how many teddy bears we have.

So:

240 ÷ 3  = 80

If your ratio is 9:3, then 80 is your answer.

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7 0
3 years ago
7. Sorav bought a jacket for Rs. 2500 sold it for Rs. 1900. Find her loss.​
Morgarella [4.7K]

Answer:

600

Step-by-step explanation:

if SP>CP,  

It is profit [SP - CP = Profit]

if CP>SP,  

It is loss  [CP - SP = Loss]

 

Here in the question CP>SP so,  

loss = CP - SP  

      =2500 - 1900  

      = 600

4 0
3 years ago
Read 2 more answers
Help me please i dont get it.
Andre45 [30]

Answer:

x >  -  \frac{1}{3}

Step-by-step explanation:

9(2 - x) - 4(2 - 3x) > 9

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10 + 3x > 9

3x > 9 - 10

3x >  - 1

\boxed{\green{x >  -  \frac{1}{3}}}

3 0
3 years ago
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