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3 years ago

What type of number is v5?

1 answer:

7 0

The square root 5 is irrational because a square root of a positive number is either an integer or irrational number. Therefore it is irrational.

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Rewrite the expression in the form 9^n<br> (9^3) (9^12)

BartSMP [9]

Answer:

${9}^{15}$

Step-by-step explanation:

$( {9}^{3} ) \times ( {9}^{12} ) = 9 {}^{3 + 12} = {9}^{15} \\$

5 0

3 years ago

WILL MARK THE CORRECT ANSWER BRAINLIEST!<br><br> Select all the correct answers:

stepladder [879]

Answer:

B, D

Step-by-step explanation:

Solve all equations:

$x-3x=-2x+4\\ \\-2x=-2x+4\\ \\0=4$

This is false equality, so this equation has no solutions.

$x-\dfrac{1}{3}(3x)=0\\ \\x-x=0\\ \\0=0$

This equality is true for all values of x, so this equation has infinitely many solutions.

$\dfrac{1}{3}x-3=4+2x\\ \\x-9=12+6x\\ \\x-6x=12+9\\ \\-5x=21\\ \\x=-\dfrac{21}{5}$

This equation has the unique solution.

$3x+2-\dfrac{1}{3}(3x)=2+2x\\ \\9x+6-3x=6+6x\\ \\6x+6=6+6x\\ \\0=0$

This equality is true for all values of x, so this equation has infinitely many solutions.

$x-\dfrac{1}{3}x+2=0\\ \\3x-x+6=0\\ \\2x=-6\\ \\x=-3$

This equation has the unique solution.

8 0

3 years ago

If n-2 = 1/16, then n could be

kobusy [5.1K]

N-2= 1/16
⇒ n= 1/16+ 2 (inverse operation)
⇒ n= 2+ 1/16
⇒ n= 2 1/16

Final answer: n= 2 1/16.

5 0

3 years ago

What's 5.78,-5 7/8,-5.9 from least to greatest?

blagie [28]

-5.9, -5 7/8, 5.78 because negative is less than zero and 7/8= .850 :)

3 0

3 years ago

The average electric bill for a small electric company is $72 for the month of April with a standard deviation of $6. If the amo

SVEN [57.7K]

Answer:

Hence the probability that the mean of their utility bills will be less than $75 = P(X < 75) is 0.9736.

Step-by-step explanation:

Now,

Population mean electric bill, $\mu =$ $72

Population standard deviation, $\sigma =$ $6

Standard error of the mean $= \sigma / \sqrt{n} = 6 / \sqrt{15} = 1.5492$

The probability that the mean of their utility bills will be less than $75 = P(X < 75)

= P[Z < (75 - 72) / 1.5492]

= P[Z < 1.9365]

= 0.9736 (Using Z table)

6 0

3 years ago