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Sunny_sXe [5.5K]
3 years ago
8

Can someone help me please

Mathematics
1 answer:
artcher [175]3 years ago
6 0

Answer:

$22.75

Step-by-step explanation:

C = $30.25 - ($0.25/min)x, where x is the number of minutes spent on calls

Here, 30 minutes of calls result in this amount of $ left on the card:

C(30) = $30.25 - ($0.25/min)(30 min) = $22.75

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The area of the base of a cylindrical container is defined by b(x) = x*2 - x + 12. Find
vagabundo [1.1K]

Answer: V=x^3-2x^2+13x-12

Step-by-step explanation:

Given

The area of the base is given by b(x)=x^2-x+12

The height of the container is h(x)=x-1

The volume of the cylindrical container is

V=Area\times height

Insert the values

\Rightarrow V=\left( x^2-x+12\right)\cdot \left(x-1\right)\\\Rightarrow V=x^3-x^2+12x-x^2+x-12\\\Rightarrow V=x^3-2x^2+13x-12

4 0
3 years ago
Joey borrowed $200 at an interest rate of 2%. He paid $16 in interest. Find the amount of time for which Joey borrowed the money
Keith_Richards [23]

Answer:25 years

Step-by-step explanation:

6 0
3 years ago
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Please help me with this answer<br><br> (Links and spam answers will be reported)
Angelina_Jolie [31]

Answer:

area if circle =πr²=π6²=36πmm²

5 0
3 years ago
How many different triangles can you make if you are given these two lengths for sides?
kykrilka [37]

Answer:

Infinitely many triangles.

Step-by-step explanation:

Given the lengths of two sides are 8 inches and 10 inches.

Let's assume third side = x inches.

Using the Triangle Inequalities given as follows:-

1. a+b > c,

2. b+c > a,

3. c+a > b.

Using the lengths given in the problem, we can write:-

1. x+8 > 10 ⇔ x > 10-8 ⇔ x > 2.

2. x+10 > 8 ⇔ x > 8-10 ⇔ x > -2.

3. 8+10 > x ⇔ x < 18.

So, the solution set is 2 < x < 18. It means third side can take any value in interval (2, 18).

Hence, there are infinitely many triangles.

3 0
3 years ago
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.help me please thanks
Ad libitum [116K]
Its most likely c
hope it helps
7 0
4 years ago
Read 2 more answers
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