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3 years ago

Why is less than or equal to -2 parentheses X -2 to the second power -1 the axis of the cemetery is X equals

1 answer:

3 0

Please work on the grammar here...it's difficult to understand what you are asking. Note: "cemetary" means "a place of burial." You meant "axis of symmetry."

Please go back to the original problem and ensure that you copy it down here exactly as it was givent o you.

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There are 20 parrots at the animal sanctuary. Their population is increasing at a rate of 15% per year. There are also 24 snakes

worty [1.4K]

For the answer to the questions above,
A) Parrots are following a Geometric Progression of 15% increase.

20(1.15), 20(1.15)², 20(1.15)³,

Function = 20(1.15)^n Where n is at the end of year, n =1, 2, 3, ..

Snakes are increasing by 4.

28, 32, 36,....

Function = 24 + 4n n = number of end year, n =1, 2, 3,...

B) After 10 years: 
Parrot = 20(1.15)¹⁰ = 80.91115471

Snakes = 24 + 4(10) = 64

C) After what time they are the same: 
We use trial and error:

Test: n 20(1.15^n) (24 + 4n)
 1 23 28
 2 26.45 32
 3 30.41 36 
 4 34.98 40
 5 40.23 44
 6 46.26 48
 7 53.20 52
 8 61.18 56
 9 70.36 60

After year 7, the Parrots increases far more.
At year 7 they are roughly the same.

8 0

4 years ago

Given: ABC is similar to XYC. If BY = 6, YC = 10, AX = 18, then XC = 10.8 5 30 48

Sidana [21]

Answer:

The correct option is 3. The length of XC is 30.

Step-by-step explanation:

It is given that triangle ABC and triangle XYC are similar.

According to the properties of similar triangles, then corresponding sides of similar triangles are congruent.

In triangle ABC and triangle XYC,

$\frac{AB}{XY}=\frac{BC}{YC}=\frac{AC}{XC}$

Let the length of XC be x.

From the below figure it is notices that

$AC=AX+XC=18+x$

$BC=BY+YC=6+10=16$

$\frac{16}{10}=\frac{18+x}{x}$

$16x=180+10x$

$6x=180$

$x=30$

Therefore correct option is 3. The length of XC is 30.

3 0

3 years ago

Read 2 more answers

Chantelle is going on an 8 day hike of 82.5 miles. she plans to hike 8.25 hours everyday for each of those 8 days. how many mile

stealth61 [152]

The answer would be 1.25 miles per hour hiked

4 0

4 years ago

What does a slope of 1/4 look like

Reil [10]

Slope is also known as rise over run -
$\frac{rise}{run}$
Here, we have the slope $\frac{1}{4}$ . This means that the rise is $1$ and the run is $4$ . Since both values are positive, we can say that we go up one and we go right four. When we plot this on a graph (the graph is attached), we get the same exact formula we found. **In the graph, I plotted the line $y= \frac{1}{4} x$ **. Hope this helped!

3 0

3 years ago

Help me with this, please!!!!

user100 [1]

Answer: D (1.5,0.5)

Step-by-step explanation:

It's not negative so cross out all those questions that leaves you with C and D. Now we can see that it's past the 1 point so it's in the 1.0 range and0. Range and Cs answer has 3 y on it which is incorrect. So that leaves you with D.

7 0

3 years ago