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Lunna [17]
3 years ago
7

A cell phone company charges a monthly fee of $30 for the first 2000 text messages and 10 cents for each additional text message

. MiriamÂs bill for text messages for the month of June is $35.10. How many text messages did she send that month?
Mathematics
1 answer:
Morgarella [4.7K]3 years ago
8 0
It will be the 2051 texts
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Susan was given the following number to convert to scientific notation: 12,050,000 Her answer was 1.25 x 10^7 , but it was marke
KATRIN_1 [288]

Answer:

C. She left out a zero between the two and the five

Step-by-step explanation:

Given that Susan is expected to convert 12,050,000 to scientific notation, what Susan should have done is shown below:

Count the number of decimal places from your right up to before the first digit, and place the decimal point after the first digit. The number of decimal places counted would determine the exponent we are to use.

Here, we have 7 decimal places, counting from the right to the left, therefore, the exponent would be a positive 7.

What Susan should have is:

1.205 × 10⁷ NOT 1.25 × 10⁷.

1.25 × 10⁷ = 12,500,000, which is different from 12,050,000.

Her paper was marked wrong because: "she left out a zero between the two and the five"

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3 years ago
The height, h, in feet of the tip of the hour hand of a wall clock varies from 9 feet to 10 feet. Which of the following equatio
marshall27 [118]
Y=Acos(p)+m, A=amplitude, p=period, m=midline, in this case:

A=1/2, p=360(t/12)=30t, m=(10-9)/2+9=9.5 so

h(t)=(1/2)cos(30t)+9.5
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3 years ago
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Answer:

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3 years ago
What is 10% off of 199.99
vladimir1956 [14]
10% off of 199.99 is 179.99

100% - 10% = 90% The 90% is how much you are going to pay.
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So you can do 199.99 x 0.9 = $179.99



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Pleasee help I need to pass this class!!!! Solve for x
Nady [450]
C. X = 16

To solve, add 7 to both sides and multiply by the reciprocal of \frac{-9}{8}, \frac{-8}{9}.

( \frac{-9}{8} ) X - 7 = -25



( \frac{-9}{8} ) X = -18
X = 16
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3 years ago
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