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Lina20 [59]
3 years ago
10

Solve. Write your answer in interval notation.

Mathematics
1 answer:
lina2011 [118]3 years ago
3 0

Answer: x < 3 or x ≥ 11

(-∞, 3) or [11, ∞)

Step-by-step explanation:

subtract 4 from each side

2x < 6 .     or .         3x  ≥ 33

x < 3 or x ≥ 11

make sure you have an OPEN DOT at 3 pointing to negative infinity and a CLOSED DOT at 11 pointing to positive infinity.  

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shepuryov [24]

Answer:

False, It was till Pack 5 it was going up 3 every pack but at 5 it went up 13 cookies.

3 0
2 years ago
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A 180-watt iHome® is used on an average of three hours a day. Find the cost of listening to the iHome for one week at a cost of
IgorLugansk [536]
<h2>Hello!</h2>

The answer is:

The correct option is:

A. $0.49

<h2>Why?</h2>

From the statement, we know that the iHome is used on average three hours a day, and we are asked to find the cost for a week, so first, we need to calculate the total hours that the iHome is used for, and then, calculate the kilowatt-hour consumption rate.

TotalTime_{week}=3\frac{hours}{day} *7days=21hours

TotalEnergyConsumption_{week}=180watt*21hours=3780watt.hour

Now, we must remember that:

1Kilowatt=1000watts

So,

3780watts=3780watts.hour*\frac{1KiloWatt}{1000watts}=3.78KiloWatt.hour

Then, calculating the cost, we have:

TotalCost_{week}=0.13\frac{dollar}{killowat.hour}*3.78killowat.hour=0.49(dollar)

Hence, we have that the correct option is:

A. $0.49

Have a nice day!

7 0
3 years ago
I need help with this, please
ANTONII [103]

Answer:

c, 85°

Step-by-step explanation:

95° + xz = 180° then

x = 180 ° - 95° = 85°

6 0
2 years ago
Stickers are made with the same ratio of width to length. A stickers 2 inches wide has a length of 4 inches.
lisov135 [29]
What's the question you're asking
5 0
3 years ago
Idk how to do this math problem...can u plz help?​
liberstina [14]

Answer:

F) A=(12*12)+((6*12)/2)

Step-by-step explanation:

We can find the answer by breaking up the area into to parts: the square and the triangle

To find the area of the square we use the formula length * width or side^2

This gives us 12*12 which is shown in the first part of each equation

To find the area of the triangle, we must use the formula A= (base * hight)/2

We know the hight is 12 because the hight is the same as the hight or side length of the square, but we still need to find the length of the base of the triangle

Since we know the total length of the bottom of the combined square and triangle is 18 and we know the side length of the bottom of the square is 12 (given to us at the top side of the square and we know the side of a square are of equal length)

Using this information to find the length of only the triangle base we can say

Length of triangle base = Length of total/combined base - length of square base  

Plugging in these numbers we get:

Length of triangle base = 18-12 which equals 6

So length of triangle base is 6

Going back to our equation for area of a triangle A=(base*hight)/2

We can plug in our numbers using 6 for the base and 12 for the height

A=(6*12)/2

Now we combine this with our equation for the area of the square (A= 12 * 12) to get our final answer

A= (12*12) + ((6*12)/2)

Hope this helps :)

6 0
2 years ago
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