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Ganezh [65]
3 years ago
13

You were charged $51.50 last month for data usage on your smartphone. Your data plan charges a monthly fee of $20 plus $2.50 for

each extra gigabyte (GB) used. How many extra gigabytes did you use last month?
Mathematics
2 answers:
eimsori [14]3 years ago
6 0
He went 13 gigabytes over his limit
HOPES DIS HELPS
KIM [24]3 years ago
5 0
20 + 2.5g = 51.50
2.5g = 51.50 - 20
2.5g = 31.50
g = 31.50 / 2.5
g = 12.6 <=== there were 12.6 extra gigabites used
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Vanna is saving for a trip. The hotel room will be $298.17 for 3 nights, and there will be additional fees. What is her daily co
Vikentia [17]

Answer:

The daily cost is $99.39.

Step-by-step explanation:

In order to find the answer with the information provided, you have to divide the price given for 3 nights by the number of nights to determine the price per night which would be her daily cost:

$298.17/3=$99.39

According to this, the answer is that the daily cost is $99.39.

6 0
2 years ago
What is the value of 3n if n=2
Harman [31]

Answer:

6

Step-by-step explanation:

3n=3(n)

ur replcing n with 2

3(2)=3x2

3x2=6

6 0
3 years ago
Read 2 more answers
If the measure of angle 2 is 3x, and the measure of 1 is 5x - 12 what is the measure of angle 9 ?
Mariana [72]
3x+5x-12=180
8x=180+12
8x=192
x=192/8
x=24

angle 1 = 5x-12
=5(24)-12
=120-12
=108

angle 2= 3x =3*24=72

angle 1 = angle 9
angle 9= 108
8 0
3 years ago
(ED. 21) Analytic Geometry Unit Test..... #3 Which point is a solution of x2 + y2 &gt; 49 and y ≤ –x2 – 4?
sdas [7]

Answer:

We want to find a solution of the system:

x^2 + y^2 > 49

y ≤ –x^2 – 4

Here we do not have any options, so let's try to find a general solution.

First, we can remember that the equation of a circle centered in the point (a, b) and of radius R is:

(x - a)^2 + (y - b)^2 = R^2

If we look at our first inequality, we can write it as:

x^2 + y^2 > 7^2

So the solutions of the first inequality are all the points that are outside (because the symbol used is >) of the circle of radius R = 7 centered in the origin.

From the other equation, we would get:

y ≤ –x^2 – 4

This is parabola, anything that is in the graph of the parabola or below will be a solution for this inequality.

Then the solutions of the system, are the ones that are in the region of solutions for both inequalities.

You can see the graph below, where both regions are graphed. The intersection of these regions is the region of the solutions for the system of inequalities:

by looking at the graph, we can see a lot of points that are solutions, like:

(0, -10)

(0, -15)

(2, -10)

etc.

8 0
3 years ago
What is the relationship between the measure of an angle and the reflex measure of the angle?
Alenkinab [10]
Let the measure of an angle be 'x'
Then the reflex angle will be measured by the formula (360-x)
x +(360-x) = 360
3 0
3 years ago
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