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Ad libitum [116K]
3 years ago
6

Which statement about 'square root X - 5 minus square root X = 5'' is true?

Mathematics
1 answer:
Licemer1 [7]3 years ago
4 0

Answer: x=9 is an extraneous solution

Step-by-step explanation:

Given

Function is f(x)=\sqrt{x-5}

for function to exist

\Rightarrow x-5\geq 0\\\Rightarrow x\geq 5

Therefore, 9 satisfies the  above equation. It is it's extraneous solution.

You might be interested in
Statement as a conditional statement. “Yellow and<br> blue make green." *<br> 1 point <br> geometry
Vinil7 [7]

Answer:

if green without blue is yellow then yellow and blue make green

Step-by-step explanation:

8 0
4 years ago
6 quarts =<br> gallons<br><br><br> Please i meed help answer fast
Tju [1.3M]

Answer:

1 2/4 or 1.5

Explanation:

There are 4 quarts in a gallon, and 2 left over add 1/2 to the full gallon. So, 1 gallon, plus 2 quarts, which is equal to 1/2 gallon, is 1.5 gallons :D

Hope this helped!

5 0
3 years ago
Willard Hudson took out a simple interest loan of $6,000.00 at 10 percent interest for 24 months. His monthly payment is $276.60
bezimeni [28]

9514 1404 393

Answer:

  a) $42.35

  b) $5124.56

  c) $407.44

Step-by-step explanation:

a) The interest due is that for one month on the remaining balance:

  I = Prt

  I = $5082.21·0.10·1/12 = $42.35

__

b) The final payment is ...

  $5082.21 +42.35 = $5124.56

__

c) Had Hudson continued paying, he would have paid ...

  20·$276.60 = $5532.00

So, he saved ...

  $5232.00 -5124.56 = $407.44

3 0
3 years ago
1) (3x+y’n)(2xyn)<br> What is the process to get the answer
Colt1911 [192]

Answer: quadratic in standard form with the roots 1/2 and -5

Step-by-step explanation:

7 0
3 years ago
How long will it take for an investment to double in valve if it earns 12.25% compounded continuously ?
goblinko [34]

Answer:

At the given rate it will take 3 years and 5 months for the investment to be doubled

Step-by-step explanation:

Here, we want to get the amount of time it will take an investment that earns 12.25% to double if it’s compounded continuously

We can have the exponential relation as follows;

P = I( 1 + r)^n

P is the present value, let us call this 2x as it two times the initial

I is the initial value which is x in this case

r is the interest rate = 12.25% which is same as 12.25/100 = 0.1225

n is the number of years which we want to calculate

Thus, we have

2x = x( 1 + 0.1225)^n

2 = 1.225^n

Ln 2 = n ln 1.225

n = ln 2/ln 1.225

n = 3.42

if 3.42 is the number of years, let us have 0.42 in months

That will be 0.42 * 12 = 5.04

So we are looking at the investment being doubled at 3 years and 5 months

6 0
3 years ago
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