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dybincka [34]
3 years ago
7

Your new cell phone plan charges $50 per month for 400 minutes of talk time. The plan charges $0.10 for each additional minute y

ou talk. You use 50 additional minutes this month. What is your bill for the month?
Mathematics
1 answer:
noname [10]3 years ago
7 0
Total bill is $55 for the month
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Express the product in simplest form.
Dmitry [639]

The product in simplest form is (x - 4)

<em><u>Solution:</u></em>

<em><u>Given expression is:</u></em>

\frac{8}{2x+8} \times \frac{x^2-16}{4}

We have to find the product in simplest form

In the given expression,

2x + 8 = 2(x+ 4)

We know that,

a^2-b^2=(a+b)(a-b)

Therefore,

x^2-16 = x^2-4^2 =(x+4)(x-4)

Substitute these in given expression

\frac{8}{2(x+4)} \times \frac{(x+4)(x-4)}{4}

Cancel the common factors,

\frac{8}{2(x+4)} \times \frac{(x+4)(x-4)}{4} = x - 4

Thus the product in simplest form is (x - 4)

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3 years ago
Which of the following regular polygons circumscribed about a circle provides the best estimate for the area of that circle?
ki77a [65]
Hi i need more informacion :)01927. i tgink is octagon
6 0
3 years ago
Americans consume about 13,150,000,000 gallons of carbonated drinks each year. Express this number in scientific notation.
ExtremeBDS [4]

It would be 1.315 × 10¹⁰.

8 0
3 years ago
PLEASE HELP ME WITH THIS I NEED IT
sukhopar [10]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
Tiffany babysits to earn extra money. She charges a fee of $15 per hour for one child, and then an added $30 overall for each ad
Hoochie [10]

Answer: Minimum for $150: 2 Hours

Step-by-step explanation: First, Tiffany charges $30 per additional child. If she babysits for 4 children, you do 30 x 4, which is equal to 120. That would be the cost for the children. Now, if she charges $15 PER HOUR, then you just add up $15 + $15, which is $30, and you add that $30 to the $120. Which is $150. There you have it. If this is wrong, correct me please!

8 0
2 years ago
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