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Veseljchak [2.6K]
3 years ago
7

Can i get help plzzzzzand explain how you got the answer

Mathematics
2 answers:
zalisa [80]3 years ago
6 0

Answer:

ok

Step-by-step explanation:

Sveta_85 [38]3 years ago
3 0

Answer:

idk

Step-by-step explanation:

RRRRRRRRR

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Simplify (19x2 + 16x + 45) - (9x2 + 13x + 23).
Yuri [45]
19x2-9x2= 10x2
16x-13x= 3x
45-23= 22

(10x2+3x+22)

8 0
3 years ago
Wyatt hiked 6 miles in 2 hours. At this same rate, what is the total number of miles Wyatt could hike in 9 hours?
stepan [7]
Wyatt could hike for 27 miles in 9 hours. Hope this helped! PLS MARK BRAINLIEST!
4 0
3 years ago
Read 2 more answers
Paul bought a circular rug for his living room. The rug has a diameter of 11 feet. About how much of Paul's living room will be
fenix001 [56]

Answer:

The rug has covered approximately 95 square feet of the living room.

Step-by-step explanation:

Given:

Diameter of rug = 11 feet

We need to find the area covered in living room by the rug.

Solution:

Diameter of rug = 11 feet

Radius is half of the diameter.

Radius of the rug = \frac{11}{2}=5.5\ ft

Now it has been given that rug is in circular shape.

So we will find the area of the rug using Area of circle formula which is given by π times square of the radius.

Framing in equation form we get;

area of the rug = \pi r^2 = 94.99\ ft^2 \approx 95\ ft^2

Hence The rug has covered approximately 95 square feet of the living room.

3 0
3 years ago
This morning, Elena wrote a check in the amount of $42.50. This brought her balance down to –$14.25. Suppose n represents Elena'
In-s [12.5K]
N - $42.50 = <span>–$14.25
..............................................</span>
6 0
3 years ago
What is the range of the following function:<br> y = 2(5^x) - 1
Orlov [11]
<h2>Hello!</h2>

The answer is:

The range of the function is:

Range: y>2

or

Range: (2,∞+)

<h2>Why?</h2>

To calculate the range of the following function (exponential function) we need to perform the following steps:

First: Find the value of "x"

So, finding "x" we have:

y=2(5^{x}-1)\\\frac{y}{2}=5^{x}-1\\\\\frac{y}{2}-1=5^{x}\\\\Log_{5}(\frac{y}{2}-1)=Log_5(5^{x})\\\\x=Log_{5}(\frac{y}{2}-1)

Second: Interpret the restriction of the function:

Since we are working with logarithms, we know that the only restriction that we found is that the logarithmic functions exist only from 0 to the possitive infinite without considering the number 1.

So, we can see that if the variable "x" is a real number, "y" must be greater than 2 because if it's equal to 2 the expression inside the logarithm will tend to 0, and since the logarithm of 0 does not exist in the real numbers, the variable "x" would not be equal to a real number.

Hence, the range of the function is:

Range: y>2

or

Range: (2,∞+)

Note: I have attached a picture (the graph of the function) for better understanding.

Have a nice day!

5 0
3 years ago
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