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zheka24 [161]
3 years ago
9

What is the rationalizing factor of a+√b?

Mathematics
1 answer:
Alina [70]3 years ago
3 0
I hope this helps you




a- square root of b
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Which equation represents the graph of y= cosx reflected across the x-axis then shifted vertically down by 2 units?
Phoenix [80]

Answer:

  y = -cos(x) -2

Step-by-step explanation:

Multiplying the function value by -1 reflects it across the x-axis. Adding -2 to the function value shifts it down by two units.

reflected: y = -cos(x)

then shifted: y = -cos(x) -2

6 0
3 years ago
20 stickers increase to 150. what percent increase
ASHA 777 [7]

Answer:

650%

Step-by-step explanation:

7 0
3 years ago
Can someone please help mee.<br><br> use transformations to solve the equation.<br><br> 3 2/3x = 22
gizmo_the_mogwai [7]

1. Note that

3\dfrac{2}{3}=\dfrac{3\cdot 3+2}{3}=\dfrac{9+2}{3}=\dfrac{11}{3}.

2. Then the equation 3\dfrac{2}{3}x=22 can be rewritten

\dfrac{11}{3}x=22.

3. Solve it:

x=22:\dfrac{11}{3},\\ \\x=22\cdot \dfrac{3}{11}=2\cdot 3=6.

Answer: x=6

7 0
3 years ago
ANSWER ASAPPP PLSSS. ILL MARK BRAINLIEST TOO
nevsk [136]

Answer:

Step-by-step explanation:

11.04 = 10(1.02)^n

1.104 = 1.02^n

ln 1.104 = ln 1.02^n

ln 1.104 = n ln 1.02

n = ln 1.104/ ln 1.02

n = 4.99630409516

4.99 can be rounded to 5.

So a reasonable domain would be 0 ≤ x < 5

PART B)

f(0) = 10(1.02)^0

f(0) = 10(1)

f(0) = 10

The y-intercept represents the height of the plant when they began the experiment.

f(1) = 10(1.02)^1

f(1) = 10(1.02)

f(1) = 10.2

(1, 10.2)

f(5) = 10(1.02)^5

f(5) = 10(1.1040808)

f(5) = 11.040808

f(1)=10(1.02)^1

f(1)=10.2

Average rate= (fn2-fn1)/(n2-n1)

                     =11.04-10.2/(5-1)

                    =0.22

the average rate of change of the function f(n) from n = 1 to n = 5 is 0.22.  

3 0
3 years ago
Read 2 more answers
PLEASE DONT!!Just give me the answer please explain cause I can’t learn like that NOT TRYING TO BE RUDE
icang [17]
There are approximately 4 weeks per month.

Mr. Gleason will take home 1100 x 4 weeks = $4,400 per month.

The total budget - his take home pay is the amount his wife will need to make:

5,600 - 4,400 = $1,200

Now divide the total amount she needs to make by how much she brings home per hour:

1,200 / 10 = 120

 She needs to work 120 hours per month.

The answer is D.

8 0
4 years ago
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