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Paha777 [63]
3 years ago
13

Is 9 (3x-6) equivalent to 21x

Mathematics
1 answer:
ycow [4]3 years ago
6 0
No because 9(3x-6)= 27x - 54
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Nth term of the sequences....?<br>(a) 1, 4, 9, 16, 25 <br>(b) 3, 6, 11, 18, 27
denis-greek [22]
A. 36 as the numbers are adding by the next odd integer. An example is: 1–>4 is +3, 4–>9 is +5, 9–>16 is +7, and so on. This rule applies to both of our sequences.
b. 38.
Hope this helps :) brainly if possible so others can see.
7 0
3 years ago
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What is 676,547 rounded to the nearest ten thousand?
alisha [4.7K]
680,000 is the answer
3 0
3 years ago
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I’m Really lost if I could get a answer it would be greatly appreciated
Nataly [62]
<h3>Answers:</h3>

f(g(x)) = \sqrt{x^2+5}+5\\\\g(f(x)) = x+30+10\sqrt{x-1}

================================================

Work Shown:

Part 1

f(x) = \sqrt{x-1}+5\\\\f(g(x)) = \sqrt{g(x)-1}+5\\\\f(g(x)) = \sqrt{x^2+6-1}+5\\\\f(g(x)) = \sqrt{x^2+5}+5\\\\

Notice how I replaced every x with g(x) in step 2. Then I plugged in g(x) = x^2+6 and simplified.

------------------

Part 2

g(x) = x^2+6\\\\g(f(x)) = \left(f(x)\right)^2+6\\\\g(f(x)) = \left(\sqrt{x-1}+5\right)^2+6\\\\g(f(x)) = \left(\sqrt{x-1}\right)^2+2*5*\sqrt{x-1}+\left(5\right)^2+6\\\\g(f(x)) = x-1+10\sqrt{x-1}+25+6\\\\g(f(x)) = x+30+10\sqrt{x-1}\\\\

In step 4, I used the rule (a+b)^2 = a^2+2ab+b^2

In this case, a = sqrt(x-1) and b = 5.

You could also use the box method as a visual way to expand out \left(\sqrt{x-1}+5\right)^2

6 0
3 years ago
What is the difference?<br><br> 10.22 – 3.651<br><br> The difference is _____
irinina [24]

Answer:

6.569

Step-by-step explanation:

10.22

-3.651

_______

6.569

I hope this helps!!!! Have a great day!!!

3 0
3 years ago
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Which stem-and-leaf plot represents the data 80, 81, 91, 92, 66, 55, 54, 30, 55, 79, 78?
const2013 [10]
Convert the given data into ascending order.
30,54,55,55,66,78,79,80,81,91,92
Here the minimum value is 30 and maximum is 92.
Total counts=11
Now plot the data.

Stem | Leaf
3       |  0
5       | 4 5 5
6       | 6
7       | 8 9 
8       | 0 1
9       | 1 2

This is the required stem leaf plot.
3 0
3 years ago
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