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Anastasy [175]
2 years ago
8

What is sqrt 6/5 in it's simplest radical form?

Mathematics
1 answer:
Tanya [424]2 years ago
8 0
\sqrt{\cfrac{6}{5}}\impliedby \textit{simplified, right?}

for... is more or less simplified, so.. .it can't be simplified any further
if anything at all, it can simply be "rationalized"
namely

\sqrt{\cfrac{6}{5}}\implies \cfrac{\sqrt{6}}{\sqrt{5}}\impliedby \textit{now rationalizing it}
\\ \quad \\
\cfrac{\sqrt{6}}{\sqrt{5}}\cdot \cfrac{\sqrt{5}}{\sqrt{5}}\implies \cfrac{\sqrt{6}\sqrt{5}}{\sqrt{5^2}}\implies \cfrac{\sqrt{30}}{5}
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Which number can be inserted in the parentheses to make the statement true? negative 3 and one-fourth is greater than left-paren
DIA [1.3K]
The correct answer is D, -5 1/3.

The reason is that on a number line -3 1/4 would be placed to the right of -5 1/3.

The further you are to the right on the number line, the bigger the number.
4 0
3 years ago
The joint probability mass function of XX and YY is given by p(1,1)=0p(2,1)=0.1p(3,1)=0.05p(1,2)=0.05p(2,2)=0.3p(3,2)=0.1p(1,3)=
inessss [21]

Answer:

P(Y=1|X=3)=0.125

Step-by-step explanation:

Given :

p(1,1)=0  

p(2,1)=0.1

p(3,1)=0.05

p(1,2)=0.05

p(2,2)=0.3

p(3,2)=0.1

p(1,3)=0.05

p(2,3)=0.1

p(3,3)=0.25

Now we are supposed to find the conditional mass function of Y given X=3 :  P(Y=1|X=3)

P(X=3) = P(X=3,Y=1)+P(X=3,Y=2) +P(X=3,Y=3)

P(X=3)=p(3,1) +p(3,2) +p(3,3)

P(X=3)=0.05+0.1+0.25=0.4

P(Y=1|X=3)=\frac{P(X=3,Y=1)}{P(X=3)} =\frac{p(3,1)}{P(X=3)}=\frac{0.05}{0.4}= 0.125

Hence P(Y=1|X=3)=0.125

8 0
3 years ago
Joey traveled 150 miles in 212 hours. Which expression gives Joey's speed in miles per hour?
Svetradugi [14.3K]

Answer:

0.7 miles per hour

Step-by-step explanation:

To find a speed in miles per hour, divide the number of miles by the number of hours.

150/ 212 = 0.7 miles per hour

4 0
2 years ago
Which one is a irrational number and why ?
Gnom [1K]

Answer: Option A, the square root of 40, is an irrational number.

Step-by-step explanation:

We are given 4 options:

- the sqrt of 40

- the sqrt of 49

- the sqrt of 100

- the sqrt of 9

All but one are perfect squares. Let's find out which one is not a perfect square.

The sqrt of 49 is 7. 7 times 7 is equal to 49.

The sqrt of 100 is 10. 10 times itself is equal to 100.

The sqrt of 9 is 3. 3 times 3 is equal to 9.

What about the square root of 40?

We know it's not a perfect square, and it's somewhere between 6 and 7. So, the hint from the question tells us that imperfect squares are irrational. Then this must be the answer!

4 0
3 years ago
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Gala2k [10]
I thike so i would -4 must help u a lot
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3 years ago
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