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lutik1710 [3]
3 years ago
6

Ginny has a cell phone plan that charges a flat fee of $20 per month plus $.10 per minute used talking on the phone. Which expre

ssion will calculate Ginny’s bill if she spends (t) minutes on the phone each month?
Mathematics
1 answer:
jasenka [17]3 years ago
6 0

Answer:

20 + 0.10t

Step-by-step explanation:

The 20 is the flat rate, the .10 is the per minuet rate meaning the answer is 20 + 0.10t. plz 5 str and thx, and brailiest.

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The area of a circle is 100 π.what is the lenght of the side of a tegular hexagon inscribed in a circle.
yawa3891 [41]
This logic, geometric logic at that.

First find the radius of the circle.

area = \pi {r}^{2} \\
We find the radius by a little algebraic manipulation.

area = \pi {r}^{2} \\ \sqrt{ \frac{area}{\pi} } = r \\ \sqrt{ \frac{100\pi}{\pi} } = r \\ radius = 10

Answer:

The height of the hexagon is 10 units (whatever the units are, every measurement needs units). All the sides of a polygon are equal, and it's a regular hexagon, which is a polygon. It's simple thinking, mostly people get into trouble when they over think it
8 0
3 years ago
Heeeeeelp me find part b with working out thanks
Oduvanchick [21]
A)
i) C(n)=42n
ii)C(n,x)=15n+0.25x

b)She plans to drive a total of 600 Km, therefore: x=600
Budget:  C(n)=42n
Deluxe:   C(n,x)=15n +0.25(600)=15n+150

Cost of Budget< Cost of Deluxe
42n<15n+150
42n-15n<150
27n<150
n<150/27
n<5.5      ⇒n<5

Answer:  The maximum number of days would be 5 days. 
5 0
3 years ago
What is (6x-5) + (8x-50)
padilas [110]

Answer:

14x-55

Step-by-step explanation:

(6x+8x)+(-5-50)

3 0
3 years ago
Read 2 more answers
sam rolls 3 standard fair dice. that probability that the three numbers rolled on the dice are the sides of a triangle is , wher
mart [117]

The required probability for three numbers rolled on the dice are the sides of a triangle is 31/36.

<h3>What is probability?</h3>

The area of mathematics known as probability studies potential outcomes of events as well as their relative probabilities and distributions. It is based on the likelihood that something will occur. The justification for probability serves as the main foundation for theoretical probability.

Here,

When three dice are rolled, there are 63=216 possible outcomes, or triplets (x, y, z).

Once more, in a triangle, any two sides added together are larger than the third side, or (x+y)>z.

As a result, 186 outcomes or triplets are possible and satisfy this property.

Hence, the required probability is 186/216=31/36.

The required probability is 31/36 for three dice rolls to produce triangle sides.

To know more about probability,

brainly.com/question/11234923?referrer=searchResults

#SPJ4

7 0
1 year ago
Find the circumference and area of a circle that has a radius of x+1
lbvjy [14]
Circumference: 2πr
Circumference: 2(3.14)(x + 1)
Circumference: 6.28(x + 1)
Circumference: 6.28(x) + 6.28(1)
Circumference: 6.28x + 6.28

Area: πr²
Area: 3.14(x + 1)²
Area: 3.14(x  +1)(x + 1)
Area: 3.14(x(x + 1) + 1(x + 1))
Area: 3.14(x(x) + x(1) + 1(x)  1(1))
Area: 3.14(x² + x + x + 1)
Area: 3.14(x² + 2x + 1)
Area: 3.14(x²) + 3.14(2x) + 3.14(1)
Area: 3.14x² + 6.28x + 3.14
6 0
3 years ago
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