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geniusboy [140]
2 years ago
9

Please help! need to know how to solve this Urgent!

Mathematics
2 answers:
Artemon [7]2 years ago
6 0

= log_{ 3}({x}^{2}  - 4)  -  log_{3}(x - 2)  +  log_{3}(x)

= log_{ 3}(\dfrac{{x}^{2}  - 4}{x - 2})    +  2 × 1

= log_{ 3}(\dfrac{(x-2)(x+2)}{x - 2})    +  2 × 1

= log_{ 3}(x+2)  +  2 × 1

PilotLPTM [1.2K]2 years ago
5 0

Step-by-step explanation:

I dont know if this helps but that what I came up with

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an iPad was on sale for 3/4 of its original price. if the original price was 1000 what was the sale price?
KATRIN_1 [288]

Answer:

$750

Step-by-step explanation:

In this problem, you will multiply the fraction by the total price to find the sale price.

Sale price = 1000 × (3/4)

Sale price = 1000 × 3 / 4

Sale price = 3000 / 4

Sale price = 750

Therefore the sale price is $750

3 0
3 years ago
A cone with diameter 18 millimeters and height 11 millimeters.
bogdanovich [222]

Hello! :)

<h2>Answer:</h2>

All of the following statements about the cone are true.

2.) The radius is 9 mm.

3.) The base area is calculated using the radius.

4.) The volume is one-third the volume of a cylinder with the same height and diameter.

5.) The volume of the cone is 297 pi millimeters cubed.

<h2>Explanation:</h2>

The radius is always half the diameter, which is why the first choice is false, and the second choice is true.

When calculating the base, you need to use the radius. This means the third choice is true. The formula for the base area is πr^{2}

Volume of the cone:

V = \frac{1}{3}πr^{2}h

  = \frac{1}{3} × π × 9^{2} × 11

  = 933.052233 mm²

Volume of a cylinder with the same height and diameter:

V = πr^{2}h

  = π × 81 × 11

  = 891π

  = 2799.15669 mm²

2799.15669 ÷ 3 = 933.052233

Option four is true.

297 × π = 933.05223 This is true.

4 0
3 years ago
Read 2 more answers
Question is on the photo
Kaylis [27]

g=

   2x+5

    -----    

     x

g(1) g=2x+5

8 0
2 years ago
find rodrigos percent increase or decrease in sales each week. week 1, is 17 wwek 2, is 25 week 3, is 18 and week 4, is 27. his
sveticcg [70]
<span>Answer: The multiplication factor of increase should be inverse of the multiplication factor of decrease.

    e.g. Say you have a number 100. You increase it by 25%. The multiplication factor is 5/4 i.e. when you multiply 100 by 5/4, you get 100*5/4 = 125. This is 25% more than 100. Now you want to decrease it by a certain % such that you get 100 back. Basically, 100*5/4 * x = 100 So x = 4/5 (inverse of 5/4) Hence, you decrease by 20% (the multiplication factor of 20% is 4/5) or Use this formula: cumulative % change = a + b + ab/100 You want the cumulative change to be 0. a + b + ab/100 = 0 If you know that you are increasing by 25% and want to find the % by which you should decrease to get the same number, 25 + b + 25b/100 = 0 5b/4 = -25 b = -20 So you need to decrease (hence you get the -ve sign) by 20%.</span>
3 0
3 years ago
Can anyone help me with this.
Minchanka [31]

Answer:

a) third; from left most graph

b) fourth; right most graph

Step-by-step explanation:

Part a)

The graph is between the speed and time.

Nicole begin jogging faster and faster i.e. speed is increasing w.r.t time thus we have linear line in beginning.

Then she hits a comfortable speed and stayed at it i.e. speed remained constant for that time. Thus we have a straight line.

After that she gradually slows down,i.e speed is decreasing w.r.t time. Thus we have decreasing linear line.

So the graph shape is linear line with increasing slope-a constant straight line-linear line with decreasing slope

which is the third; from left most graph in option

Part b)

The graph is between Distance to campus and time.

As Dale is hiking towards campus, distance should decrease w.r.t time.

In beginning, he is hiking at constant speed towards campus thus the distance towards the campus is decreasing w.r.t time. We get a decreasing linear line.

*Note: here constant speed is not important, instead hiking towards i.e. the direction is important because of the campus distance covered

Then he sees a snake and turn and runs the other way. Thus now the distance towards the campus is increasing. And we get increasing linear line.

*Note running other way is important because of the campus distance covered

After that, he sits for a while i.e he stops and so the distance towards campus also become constant w.r.t time. we get a straight line on the graph.

So the graph shape is linear line with decreasing slope-linear line with increasing slope-a constant straight line

which is the right-most graph in option !

4 0
3 years ago
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